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3. Radiation effects in optical coatings for ITER diagnostics

Author

Pereira, A., Medrano, M., Leon-Gutierrez, E., Pastor, C., Mota, F., Vila, R., Rodriguez, C., Carrasco, R., Lapayese, F., de la Peña, A., Soleto, A., Rincón, E., Cabrera, S., Queral, V., Fernández, A., López-Heredero, R., Torquemada, C., Rodrigo, T., Gómez, L., Belenguer, T., Vermeeren, L., Leysen, W., Piqueras, J., Le-Guern, F., and Alén-Cordero, C.

Published
2023
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7. Magnetic configuration sweep control in Heliac type stellarators

Author

Romero, J. A., Pacios, L., de la Peña, A., Lapayese, F., and Ascasíbar, E.

Subjects
Physics - Plasma Physics
Abstract

A novel magnetic configuration sweep control system for the TJ-II Heliac device is described. The system is prepared to establish a reference for plasma, torus or vessel current while the coil configuration currents are swept during a single plasma discharge. It can also be run in a special simulation mode, which does not require powering the TJ-II device, intended for commissioning and experiment preparation purposes. Preliminary tests with the system have shown its ability to perform rotational transform scans while establishing a waveform for torus current independently, despite variable plasma conditions. This opens up new experimental possibilities to study the influence of rotational transform and shear independently.

Published
2013
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8. Radiation effects in optical coatings for ITER diagnostics

Author

Pereira González, Augusto, Medrano Casanova, Mercedes, León Gutiérrez, Edgar, Pastor Santos, María Del Carmen, Mota García, Fernando, Vila Vázquez, Rafael Alberto, Rodríguez, C., Carrasco García, Ricardo, Lapayese, F, Rodríguez Fernández, Carmen, Lapayese Puebla, Fernando, Peña Gómez, Ángel De La, Soleto Palomo, Alfonso, Rincón Rincón, Esther, Cabrera Pérez, Santiago, Queral Mas, Vicente, Fernández Navarro, Alejandro, López Heredero, Raquel, Torquemada Vico, María del Carmen, Rodrigo, T, Gómez, L, Belenguer Dávila, Tomás, Vermeeren, Ludo, Leysen, Willem, Piqueras, Juanjo, Le Guern, Frederic, Alén Cordero, Cristina, Pereira González, Augusto, Medrano Casanova, Mercedes, León Gutiérrez, Edgar, Pastor Santos, María Del Carmen, Mota García, Fernando, Vila Vázquez, Rafael Alberto, Rodríguez, C., Carrasco García, Ricardo, Lapayese, F, Rodríguez Fernández, Carmen, Lapayese Puebla, Fernando, Peña Gómez, Ángel De La, Soleto Palomo, Alfonso, Rincón Rincón, Esther, Cabrera Pérez, Santiago, Queral Mas, Vicente, Fernández Navarro, Alejandro, López Heredero, Raquel, Torquemada Vico, María del Carmen, Rodrigo, T, Gómez, L, Belenguer Dávila, Tomás, Vermeeren, Ludo, Leysen, Willem, Piqueras, Juanjo, Le Guern, Frederic, and Alén Cordero, Cristina

Abstract

Received 19 October 2022, Revised 11 December 2022, Accepted 27 December 2022, Available online 13 January 2023, Version of Record 13 January 2023, The aim is to provide an assessment of radiation damage in coated films on refractive substrates that could be used as relevant information to protect the field lenses in optical diagnostics for ITER. Radiation-resistant optical materials with transparent properties should transfer light from plasma to detectors through the interspace until the port cell area where they are located (more than 10 m from the vacuum window). These optical coatings and substrates should have resilience enough to withstand neutron and gamma irradiation without significant degradation of their transmittance. Coated sapphire (Al2O3 windows), YAG with Broad Band Anti-Reflective (BBAR) and substrates of BaF2/CaF2 protected with anti-humidity coating (Parylene-C) were extensively tested. After testing, transmission mea- surements and analysis of optical surfaces yield significant discoveries. All substrates showed good refractive performance under gamma radiation. On the contrary, Parylene-C did not resist temperatures above 100 degrees Celsius as expected, according to manufacturing specifications. In addition, it was observed that with an energy dose of 332 kGy of gamma rays and a significantly lower temperature of 50 degrees Celsius, the Parylene-C protection is also damaged. Coated sapphire had the best overall performance with respect to the neutron irradiation tests. Nevertheless, the decrease in transmission observed in the YAG and BaF2 coated samples is not significant for the expected cumulative neutron dose that these samples will receive at their location within the diagnostic. This information was considered for the selection of the best candidates as refractive lenses and optical coatings for the Preliminary Design Review (PDR) of ex-vessel components that will integrate the Wide-Angle Viewing System (WAVS) for ITER Equatorial Port 12., Fusion for Energy, Sección Deptal. de Óptica (Óptica), Fac. de Óptica y Optometría, TRUE, pub

Published
2023

9. Measurements of magnetic field fluctuations in TJ-II plasmas with new in-vessel helical arrays of magnetic coils

Author

Ascasíbar, E., primary, Lapayese, F., additional, Soleto, A., additional, Jiménez-Denche, A., additional, Cappa, Á., additional, Pons-Villalonga, P., additional, Portas, A. B., additional, Martín, G., additional, Barcala, J. M., additional, García-Gómez, R., additional, Chamorro, M., additional, Cebrián, L., additional, Antón, R., additional, Bueno, L., additional, Reynoso, C., additional, Guisse, V., additional, and López-Fraguas, A., additional

Published
2022
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11. Steam-Resistant Optical Materials for Use in Diagnostic Mirrors for ITER

Author

Pereira, A., primary, Martin, P., additional, Heredero, R. L., additional, Torquemada, M. C., additional, Rodrigo, M. T., additional, Gomez, L. J., additional, Vila, R., additional, Belenguer, T., additional, Medrano, M., additional, Piqueras, J. J., additional, Le Guern, F., additional, Pastor, C., additional, Rodriguez, M. C., additional, Quintana, J. A., additional, Carrasco, R., additional, Lapayese, F., additional, de la Pena, A., additional, and Alen-Cordero, C., additional

Published
2020
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13. Overview of recent TJ-II stellarator results

Author

Ascasibar, Enrique, Alba, D., Alegre Castro, Daniel, Alonso Poza, Alberto, Alonso Gonzalez, Javier, Aragón, F. de, Baciero, Alfonso, Barcala Riveira, Jose Miguel, Blanco, E., Botija, J., Bueno Gallardo, Leticia, Cabrera, S., Cal, E. de la, Calvo, Iván, Cappa, Alvaro, Carralero, D., Carrasco Perea, Raquel, Carreras Verdaguer, Benjamin A., Castejon Mochon, Jose Francisco, Castro, R., Castro, Alfonso de, Catalan, G., Chmyga, A. A., Chamorro, M., Cooper, Wilfred Anthony, Dinklage, Andreas, Eliseev, Leonid, Estrada, Teresa, Ezzat, M., Fernández Marina, F., Fontdecaba Climent, Jose Maria, Garcia Gonzalez, Leandro, Garcia Gonzalo, Luis, Garcia Cortes, Maria Isabel, Garcia Gomez, R., Garcia Regaña, Jose Manuel, Gonzalez Jerez, A., Grenfell, G., Guasp, J., Hernandez Sanchez, J., Hernanz Vila, Julio, Hidalgo, Carlos, Hollmann, Eric Matthias, Jimenez Denche, A., Khabanov, Philipp, Kharchev, N., Kirpitchev, I., Kleiber, R., Kozachek, A. S., Krupnik, L., Lapayese, F., Liniers, M., Liu, B., Lopez Bruna, Daniel, Lopez Fraguas, A., Lopez-Miranda, B, Lopez Razola, J., Losada, U., Luna, Elena de la, Martín de Aguilera, A., Martin-Diaz, F., Martinez Fuentes, M., Martin Gomez, G., Martin Rojo, Ana Belen, Martinez-Fernandez, J., Mccarthy, Kieran Joseph, Medina, F., Medrano, M., Melon, L., Melnikov, A. V., Mendez, P., Merino, R., Miguel, F. J., Van Milligen, Boudewijn, Molinero, A, Momo, Barbara, Monreal, P., Mulas, S., Narushima, Y., Navarro Dongil, Matilde, Ochando, Maria A., Ohshima, Shinsuke, Olivares, J., Oyarzabal, E., Pablos, Jose Luis de, Pacios, L., Panadero, N., Parra, Félix I., Pastor, Ignacio, Peña Gomez, Ángel de la, Pereira, A., Pinzon, J. R., Portas, A. B., Poveda, E., Quintana, J. A., Ramos Lopez, Francisco Javier, Ratta, G. A., Redondo Escudero, Miriam, Rincon, E., Rios, L., Rodriguez Fernandez, C., Rodriguez Rodrigo, L., Rojo, B., Ros, A., Rosa, E., Sanchez Moreno, Esteban, Sanchez Aguilar, Javier, Sanchez Dafauce, Mario, Sanchez Sarabia, E., Satake, S., Sebastian, J. A., Sharma, R., Silva, C., Solano, Emilia R., Soleto, A., Sun, B. J., Tabares, Francisco L., Tafalla, David, Takahashi, H., Tamura, N., Tolkachev, A., Vega, J., Velasco, G., Velasco, Jose Luis, Yamamoto, S., Zurro, B., Ministerio de Economía y Competitividad (España), and TJ Team

Subjects
Nuclear and High Energy Physics, Electric fields, 01 natural sciences, 7. Clean energy, Gyrokinetic simulations, 010305 fluids & plasmas, law.invention, symbols.namesake, Physics::Plasma Physics, law, Electric field, 0103 physical sciences, Langmuir probe, Perturbation theory, 010306 general physics, Impurity transport, Stellarator, Physics, Liquid metal plasma facing components, Turbulence, Física, Transport theory, Condensed Matter Physics, Quantum electrodynamics, symbols, Alfvenic Activity
Abstract

The main results obtained in the TJ-II stellarator in the last two years are reported. The most important topics investigated have been modelling and validation of impurity transport, validation of gyrokinetic simulations, turbulence characterisation, effect of magnetic configuration on transport, fuelling with pellet injection, fast particles and liquid metal plasma facing components. As regards impurity transport research, a number of working lines exploring several recently discovered effects have been developed: the effect of tangential drifts on stellarator neoclassical transport, the impurity flux driven by electric fields tangent to magnetic surfaces and attempts of experimental validation with Doppler reflectometry of the variation of the radial electric field on the flux surface. Concerning gyrokinetic simulations, two validation activities have been performed, the comparison with measurements of zonal flow relaxation in pellet-induced fast transients and the comparison with experimental poloidal variation of fluctuations amplitude. The impact of radial electric fields on turbulence spreading in the edge and scrape-off layer has been also experimentally characterized using a 2D Langmuir probe array. Another remarkable piece of work has been the investigation of the radial propagation of small temperature perturbations using transfer entropy. Research on the physics and modelling of plasma core fuelling with pellet and tracer-encapsulated solid-pellet injection has produced also relevant results. Neutral beam injection driven Alfvénic activity and its possible control by electron cyclotron current drive has been examined as well in TJ-II. Finally, recent results on alternative plasma facing components based on liquid metals are also presented This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 under Grant Agreement No. 633053. It has been partially funded by the Ministerio de Ciencia, Inovación y Universidades of Spain under projects ENE2013-48109-P, ENE2015-70142-P and FIS2017-88892-P. It has also received funds from the Spanish Government via mobility grant PRX17/00425. The authors thankfully acknowledge the computer resources at MareNostrum and the technical support provided by the Barcelona S.C. It has been supported as well by The Science and Technology Center in Ukraine (STCU), Project P-507F.

Published
2019
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14. MONITORING AND DIGITAL CONTROL SYSTEM FOR THE 130MVA PULSE GENERATOR SYSTEM OF THE SPANISH STELLARATOR TJ-II

Author

Kirpitchev, L., primary, Almoguera, L., additional, Blaumoser, M., additional, Mendez, P., additional, Pacios, L., additional, de la Peña, A., additional, Lapayese, F., additional, Carrasco, Ricardo, additional, Labrador, Ignacio, additional, Pérez, A., additional, Alberdi, B., additional, del Río, J.M., additional, and Jauregi, E., additional

Published
1997
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15. Confirmation of the topology of the Wendelstein 7-X magnetic field to better than 1:100,000

Author

Pedersen, T, Otte, M, Lazerson, S, Helander, P, Bozhenkov, S, Biedermann, C, Klinger, T, Wolf, R, Bosch, H, Abramovic, I, Akaslompolo, S, Aleynikov, P, Aleynikova, K, Ali, A, Alonso, A, Anda, G, Andreeva, T, Ascasibar, E, Baldzuhn, J, Banduch, M, Barbui, T, Beidler, C, Benndorf, A, Beurskens, M, Biel, W, Birus, D, Blackwell, B, Blanco, E, Blatzheim, M, Bluhm, T, Bockenhoff, D, Bolgert, P, Borchardt, M, Bottger, L, Brakel, R, Brandt, C, Brauer, T, Braune, H, Burhenn, R, Buttenschon, B, Bykov, V, Calvo, I, Cappa, A, Carls, A, De Carvalho, B, Castejon, F, Cianciosa, M, Cole, M, Costea, S, Cseh, G, Czarnecka, A, Dal Molin, A, De La Cal, E, De La Pena, A, Degenkolbe, S, Dhard, C, Dinklage, A, Dostal, M, Drevlak, M, Drewelow, P, Drews, P, Dudek, A, Durodie, F, Dzikowicka, A, Von Eeten, P, Effenberg, F, Endler, M, Erckmann, V, Estrada, T, Fahrenkamp, N, Fellinger, J, Feng, Y, Figacz, W, Ford, O, Fornal, T, Frerichs, H, Fuchert, G, Garcia-Munoz, M, Geiger, B, Geiger, J, Gierse, N, Gogoleva, A, Goncalves, B, Gradic, D, Grahl, M, Gross, S, Grote, H, Grulke, O, Guerard, C, Haas, M, Harris, J, Hartfuss, H, Hartmann, D, Hathiramani, D, Hein, B, Heirnich, S, Henneberg, S, Hennig, C, Hernandez, J, Hidalgo, C, Hidalgo, U, Hirsch, M, Hofel, U, Holbe, H, Holting, A, Houry, M, Huber, V, Ionita, C, Israeli, B, Jablonski, S, Jakubowski, M, Van Vuuren, A, Jenzsch, H, Kaczmarczyk, J, Kallmeyer, J, Kamionka, U, Kasahara, H, Kenmochi, N, Kernbichler, W, Killer, C, Kinna, D, Kleiber, R, Knauer, J, Kochl, F, Kocsis, G, Kolesnichenko, Y, Konies, A, Konig, R, Kornejew, P, Koster, F, Kramer-Flecken, A, Krampitz, R, Krawzyk, N, Kremeyer, T, Krychowiak, M, Ksiazek, I, Kubkowska, M, Kuhner, G, Kurki-Suonio, T, Kurz, P, Kuttler, K, Kwak, S, Landreman, M, Langenberg, A, Lapayese, F, Laqua, H, Laube, R, Laux, M, Lentz, H, Lewerentz, M, Liang, Y, Liu, S, Lobsien, J, Cisquella, J, Lopez-Bruna, D, Lore, J, Lorenz, A, Lui, S, Lutsenko, V, Maassberg, H, Maisano-Brown, J, Marchuk, O, Marrelli, L, Marsen, S, Marushchenko, N, Masuzaki, S, Mccarthy, K, Mcneely, P, Medina, F, Milojevic, D, Mishchenko, A, Missal, B, Mittelstaedt, J, Mollen, A, Moncada, V, Monnich, T, Moseev, D, Nagel, M, Naujoks, D, Neilson, G, Neubauer, O, Neuner, U, Ngo, T, Niemann, H, Nuhrenberg, C, Nuhrenberg, J, Ochando, M, Ogawa, K, Ongena, J, Oosterbeek, H, Pablant, N, Pacella, D, Pacios, L, Panadero, N, Pasch, E, Pastor, I, Pavone, A, Pawelec, E, Pedrosa, A, Perseo, V, Peterson, B, Pilopp, D, Pisano, F, Piulatti, M, Plunk, G, Preynas, M, Proll, J, Sitjes, A, Purps, F, Rack, M, Rahbarnia, K, Riemann, J, Risse, K, Rong, P, Rosenberger, J, Rudischhauser, L, Rummel, K, Rummel, T, Runov, A, Rust, N, Ryc, L, Saitoh, H, Satake, S, Schacht, J, Schmitz, O, Schmuck, S, Schneider, B, Schneider, M, Schneider, W, Schrittwieser, R, Schroder, M, Schroder, T, Schroder, R, Schumacher, H, Schweer, B, Seki, R, Sinha, P, Sipilae, S, Slaby, C, Smith, H, Sousa, J, Spring, A, Standley, B, Stange, T, Von Stechow, A, Stephey, L, Stoneking, M, Stridde, U, Suzuki, Y, Svensson, J, Szabolics, T, Szepesi, T, Thomsen, H, Travere, J, Traverso, P, Mora, H, Tsuchiya, H, Tsuijmura, T, Turkin, Y, Valet, S, Van Milligen, B, Vela, L, Velasco, J, Vergote, M, Vervier, M, Viebke, H, Vilbrandt, R, Von Thun, C, Wagner, F, Wang, E, Wang, N, Warmer, F, Wauters, T, Wegener, L, Wegner, T, Weir, G, Wendorf, J, Wenzel, U, Werner, A, Wie, Y, Wiegel, B, Wilde, F, Windisch, T, Winkler, M, Winters, V, Wright, A, Wurden, G, Xanthopoulos, P, Yamada, I, Yasuhara, R, Yokoyama, M, Zhang, D, Zilker, M, Zimbal, A, Zocco, A, Zoletnik, S, Pedersen T. S., Otte M., Lazerson S., Helander P., Bozhenkov S., Biedermann C., Klinger T., Wolf R. C., Bosch H. -S., Abramovic I., Akaslompolo S., Aleynikov P., Aleynikova K., Ali A., Alonso A., Anda G., Andreeva T., Ascasibar E., Baldzuhn J., Banduch M., Barbui T., Beidler C., Benndorf A., Beurskens M., Biel W., Birus D., Blackwell B., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Bottger L. -G., Brakel R., Brandt C., Brauer T., Braune H., Burhenn R., Buttenschon B., Bykov V., Calvo I., Cappa A., Carls A., De Carvalho B. B., Castejon F., Cianciosa M., Cole M., Costea S., Cseh G., Czarnecka A., Dal Molin A., De La Cal E., De La Pena A., Degenkolbe S., Dhard C. P., Dinklage A., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Durodie F., Dzikowicka A., Von Eeten P., Effenberg F., Endler M., Erckmann V., Estrada T., Fahrenkamp N., Fellinger J., Feng Y., Figacz W., Ford O., Fornal T., Frerichs H., Fuchert G., Garcia-Munoz M., Geiger B., Geiger J., Gierse N., Gogoleva A., Goncalves B., Gradic D., Grahl M., Gross S., Grote H., Grulke O., Guerard C., Haas M., Harris J., Hartfuss H. -J., Hartmann D., Hathiramani D., Hein B., Heirnich S., Henneberg S., Hennig C., Hernandez J., Hidalgo C., Hidalgo U., Hirsch M., Hofel U., Holbe H., Holting A., Houry M., Huber V., Ionita C., Israeli B., Jablonski S., Jakubowski M., Van Vuuren A. J., Jenzsch H., Kaczmarczyk J., Kallmeyer J. -P., Kamionka U., Kasahara H., Kenmochi N., Kernbichler W., Killer C., Kinna D., Kleiber R., Knauer J., Kochl F., Kocsis G., Kolesnichenko Y., Konies A., Konig R., Kornejew P., Koster F., Kramer-Flecken A., Krampitz R., Krawzyk N., Kremeyer T., Krychowiak M., Ksiazek I., Kubkowska M., Kuhner G., Kurki-Suonio T., Kurz P., Kuttler K., Kwak S., Landreman M., Langenberg A., Lapayese F., Laqua H., Laqua H. -P., Laube R., Laux M., Lentz H., Lewerentz M., Liang Y., Liu S., Lobsien J. -F., Cisquella J. L., Lopez-Bruna D., Lore J., Lorenz A., Lui S., Lutsenko V., Maassberg H., Maisano-Brown J., Marchuk O., Marrelli L., Marsen S., Marushchenko N., Masuzaki S., McCarthy K., McNeely P., Medina F., Milojevic D., Mishchenko A., Missal B., Mittelstaedt J., Mollen A., Moncada V., Monnich T., Moseev D., Nagel M., Naujoks D., Neilson G. H., Neubauer O., Neuner U., Ngo T. -T., Niemann H., Nuhrenberg C., Nuhrenberg J., Ochando M., Ogawa K., Ongena J., Oosterbeek H., Pablant N., Pacella D., Pacios L., Panadero N., Pasch E., Pastor I., Pavone A., Pawelec E., Pedrosa A., Perseo V., Peterson B., Pilopp D., Pisano F., Piulatti M. E., Plunk G., Preynas M., Proll J., Sitjes A. P., Purps F., Rack M., Rahbarnia K., Riemann J., Risse K., Rong P., Rosenberger J., Rudischhauser L., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Saitoh H., Satake S., Schacht J., Schmitz O., Schmuck S., Schneider B., Schneider M., Schneider W., Schrittwieser R., Schroder M., Schroder T., Schroder R., Schumacher H. W., Schweer B., Seki R., Sinha P., Sipilae S., Slaby C., Smith H., Sousa J., Spring A., Standley B., Stange T., Von Stechow A., Stephey L., Stoneking M., Stridde U., Suzuki Y., Svensson J., Szabolics T., Szepesi T., Thomsen H., Travere J. -M., Traverso P., Mora H. T., Tsuchiya H., Tsuijmura T., Turkin Y., Valet S., Van Milligen B., Vela L., Velasco J. -L., Vergote M., Vervier M., Viebke H., Vilbrandt R., Von Thun C. P., Wagner F., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Wegner T., Weir G., Wendorf J., Wenzel U., Werner A., Wie Y., Wiegel B., Wilde F., Windisch T., Winkler M., Winters V., Wright A., Wurden G., Xanthopoulos P., Yamada I., Yasuhara R., Yokoyama M., Zhang D., Zilker M., Zimbal A., Zocco A., Zoletnik S., Pedersen, T, Otte, M, Lazerson, S, Helander, P, Bozhenkov, S, Biedermann, C, Klinger, T, Wolf, R, Bosch, H, Abramovic, I, Akaslompolo, S, Aleynikov, P, Aleynikova, K, Ali, A, Alonso, A, Anda, G, Andreeva, T, Ascasibar, E, Baldzuhn, J, Banduch, M, Barbui, T, Beidler, C, Benndorf, A, Beurskens, M, Biel, W, Birus, D, Blackwell, B, Blanco, E, Blatzheim, M, Bluhm, T, Bockenhoff, D, Bolgert, P, Borchardt, M, Bottger, L, Brakel, R, Brandt, C, Brauer, T, Braune, H, Burhenn, R, Buttenschon, B, Bykov, V, Calvo, I, Cappa, A, Carls, A, De Carvalho, B, Castejon, F, Cianciosa, M, Cole, M, Costea, S, Cseh, G, Czarnecka, A, Dal Molin, A, De La Cal, E, De La Pena, A, Degenkolbe, S, Dhard, C, Dinklage, A, Dostal, M, Drevlak, M, Drewelow, P, Drews, P, Dudek, A, Durodie, F, Dzikowicka, A, Von Eeten, P, Effenberg, F, Endler, M, Erckmann, V, Estrada, T, Fahrenkamp, N, Fellinger, J, Feng, Y, Figacz, W, Ford, O, Fornal, T, Frerichs, H, Fuchert, G, Garcia-Munoz, M, Geiger, B, Geiger, J, Gierse, N, Gogoleva, A, Goncalves, B, Gradic, D, Grahl, M, Gross, S, Grote, H, Grulke, O, Guerard, C, Haas, M, Harris, J, Hartfuss, H, Hartmann, D, Hathiramani, D, Hein, B, Heirnich, S, Henneberg, S, Hennig, C, Hernandez, J, Hidalgo, C, Hidalgo, U, Hirsch, M, Hofel, U, Holbe, H, Holting, A, Houry, M, Huber, V, Ionita, C, Israeli, B, Jablonski, S, Jakubowski, M, Van Vuuren, A, Jenzsch, H, Kaczmarczyk, J, Kallmeyer, J, Kamionka, U, Kasahara, H, Kenmochi, N, Kernbichler, W, Killer, C, Kinna, D, Kleiber, R, Knauer, J, Kochl, F, Kocsis, G, Kolesnichenko, Y, Konies, A, Konig, R, Kornejew, P, Koster, F, Kramer-Flecken, A, Krampitz, R, Krawzyk, N, Kremeyer, T, Krychowiak, M, Ksiazek, I, Kubkowska, M, Kuhner, G, Kurki-Suonio, T, Kurz, P, Kuttler, K, Kwak, S, Landreman, M, Langenberg, A, Lapayese, F, Laqua, H, Laube, R, Laux, M, Lentz, H, Lewerentz, M, Liang, Y, Liu, S, Lobsien, J, Cisquella, J, Lopez-Bruna, D, Lore, J, Lorenz, A, Lui, S, Lutsenko, V, Maassberg, H, Maisano-Brown, J, Marchuk, O, Marrelli, L, Marsen, S, Marushchenko, N, Masuzaki, S, Mccarthy, K, Mcneely, P, Medina, F, Milojevic, D, Mishchenko, A, Missal, B, Mittelstaedt, J, Mollen, A, Moncada, V, Monnich, T, Moseev, D, Nagel, M, Naujoks, D, Neilson, G, Neubauer, O, Neuner, U, Ngo, T, Niemann, H, Nuhrenberg, C, Nuhrenberg, J, Ochando, M, Ogawa, K, Ongena, J, Oosterbeek, H, Pablant, N, Pacella, D, Pacios, L, Panadero, N, Pasch, E, Pastor, I, Pavone, A, Pawelec, E, Pedrosa, A, Perseo, V, Peterson, B, Pilopp, D, Pisano, F, Piulatti, M, Plunk, G, Preynas, M, Proll, J, Sitjes, A, Purps, F, Rack, M, Rahbarnia, K, Riemann, J, Risse, K, Rong, P, Rosenberger, J, Rudischhauser, L, Rummel, K, Rummel, T, Runov, A, Rust, N, Ryc, L, Saitoh, H, Satake, S, Schacht, J, Schmitz, O, Schmuck, S, Schneider, B, Schneider, M, Schneider, W, Schrittwieser, R, Schroder, M, Schroder, T, Schroder, R, Schumacher, H, Schweer, B, Seki, R, Sinha, P, Sipilae, S, Slaby, C, Smith, H, Sousa, J, Spring, A, Standley, B, Stange, T, Von Stechow, A, Stephey, L, Stoneking, M, Stridde, U, Suzuki, Y, Svensson, J, Szabolics, T, Szepesi, T, Thomsen, H, Travere, J, Traverso, P, Mora, H, Tsuchiya, H, Tsuijmura, T, Turkin, Y, Valet, S, Van Milligen, B, Vela, L, Velasco, J, Vergote, M, Vervier, M, Viebke, H, Vilbrandt, R, Von Thun, C, Wagner, F, Wang, E, Wang, N, Warmer, F, Wauters, T, Wegener, L, Wegner, T, Weir, G, Wendorf, J, Wenzel, U, Werner, A, Wie, Y, Wiegel, B, Wilde, F, Windisch, T, Winkler, M, Winters, V, Wright, A, Wurden, G, Xanthopoulos, P, Yamada, I, Yasuhara, R, Yokoyama, M, Zhang, D, Zilker, M, Zimbal, A, Zocco, A, Zoletnik, S, Pedersen T. S., Otte M., Lazerson S., Helander P., Bozhenkov S., Biedermann C., Klinger T., Wolf R. C., Bosch H. -S., Abramovic I., Akaslompolo S., Aleynikov P., Aleynikova K., Ali A., Alonso A., Anda G., Andreeva T., Ascasibar E., Baldzuhn J., Banduch M., Barbui T., Beidler C., Benndorf A., Beurskens M., Biel W., Birus D., Blackwell B., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Bottger L. -G., Brakel R., Brandt C., Brauer T., Braune H., Burhenn R., Buttenschon B., Bykov V., Calvo I., Cappa A., Carls A., De Carvalho B. B., Castejon F., Cianciosa M., Cole M., Costea S., Cseh G., Czarnecka A., Dal Molin A., De La Cal E., De La Pena A., Degenkolbe S., Dhard C. P., Dinklage A., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Durodie F., Dzikowicka A., Von Eeten P., Effenberg F., Endler M., Erckmann V., Estrada T., Fahrenkamp N., Fellinger J., Feng Y., Figacz W., Ford O., Fornal T., Frerichs H., Fuchert G., Garcia-Munoz M., Geiger B., Geiger J., Gierse N., Gogoleva A., Goncalves B., Gradic D., Grahl M., Gross S., Grote H., Grulke O., Guerard C., Haas M., Harris J., Hartfuss H. -J., Hartmann D., Hathiramani D., Hein B., Heirnich S., Henneberg S., Hennig C., Hernandez J., Hidalgo C., Hidalgo U., Hirsch M., Hofel U., Holbe H., Holting A., Houry M., Huber V., Ionita C., Israeli B., Jablonski S., Jakubowski M., Van Vuuren A. J., Jenzsch H., Kaczmarczyk J., Kallmeyer J. -P., Kamionka U., Kasahara H., Kenmochi N., Kernbichler W., Killer C., Kinna D., Kleiber R., Knauer J., Kochl F., Kocsis G., Kolesnichenko Y., Konies A., Konig R., Kornejew P., Koster F., Kramer-Flecken A., Krampitz R., Krawzyk N., Kremeyer T., Krychowiak M., Ksiazek I., Kubkowska M., Kuhner G., Kurki-Suonio T., Kurz P., Kuttler K., Kwak S., Landreman M., Langenberg A., Lapayese F., Laqua H., Laqua H. -P., Laube R., Laux M., Lentz H., Lewerentz M., Liang Y., Liu S., Lobsien J. -F., Cisquella J. L., Lopez-Bruna D., Lore J., Lorenz A., Lui S., Lutsenko V., Maassberg H., Maisano-Brown J., Marchuk O., Marrelli L., Marsen S., Marushchenko N., Masuzaki S., McCarthy K., McNeely P., Medina F., Milojevic D., Mishchenko A., Missal B., Mittelstaedt J., Mollen A., Moncada V., Monnich T., Moseev D., Nagel M., Naujoks D., Neilson G. H., Neubauer O., Neuner U., Ngo T. -T., Niemann H., Nuhrenberg C., Nuhrenberg J., Ochando M., Ogawa K., Ongena J., Oosterbeek H., Pablant N., Pacella D., Pacios L., Panadero N., Pasch E., Pastor I., Pavone A., Pawelec E., Pedrosa A., Perseo V., Peterson B., Pilopp D., Pisano F., Piulatti M. E., Plunk G., Preynas M., Proll J., Sitjes A. P., Purps F., Rack M., Rahbarnia K., Riemann J., Risse K., Rong P., Rosenberger J., Rudischhauser L., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Saitoh H., Satake S., Schacht J., Schmitz O., Schmuck S., Schneider B., Schneider M., Schneider W., Schrittwieser R., Schroder M., Schroder T., Schroder R., Schumacher H. W., Schweer B., Seki R., Sinha P., Sipilae S., Slaby C., Smith H., Sousa J., Spring A., Standley B., Stange T., Von Stechow A., Stephey L., Stoneking M., Stridde U., Suzuki Y., Svensson J., Szabolics T., Szepesi T., Thomsen H., Travere J. -M., Traverso P., Mora H. T., Tsuchiya H., Tsuijmura T., Turkin Y., Valet S., Van Milligen B., Vela L., Velasco J. -L., Vergote M., Vervier M., Viebke H., Vilbrandt R., Von Thun C. P., Wagner F., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Wegner T., Weir G., Wendorf J., Wenzel U., Werner A., Wie Y., Wiegel B., Wilde F., Windisch T., Winkler M., Winters V., Wright A., Wurden G., Xanthopoulos P., Yamada I., Yasuhara R., Yokoyama M., Zhang D., Zilker M., Zimbal A., Zocco A., and Zoletnik S.

Abstract

Fusion energy research has in the past 40 years focused primarily on the tokamak concept, but recent advances in plasma theory and computational power have led to renewed interest in stellarators. The largest and most sophisticated stellarator in the world, Wendelstein 7-X (W7-X), has just started operation, with the aim to show that the earlier weaknesses of this concept have been addressed successfully, and that the intrinsic advantages of the concept persist, also at plasma parameters approaching those of a future fusion power plant. Here we show the first physics results, obtained before plasma operation: that the carefully tailored topology of nested magnetic surfaces needed for good confinement is realized, and that the measured deviations are smaller than one part in 100,000. This is a significant step forward in stellarator research, since it shows that the complicated and delicate magnetic topology can be created and verified with the required accuracy.

Published
2016

16. Confirmation of the topology of the Wendelstein 7-X magnetic field to better than 1:100,000

Author

Pedersen T. S., Otte M., Lazerson S., Helander P., Bozhenkov S., Biedermann C., Klinger T., Wolf R. C., Bosch H. -S., Abramovic I., Akaslompolo S., Aleynikov P., Aleynikova K., Ali A., Alonso A., Anda G., Andreeva T., Ascasibar E., Baldzuhn J., Banduch M., Barbui T., Beidler C., Benndorf A., Beurskens M., Biel W., Birus D., Blackwell B., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Bottger L. -G., Brakel R., Brandt C., Brauer T., Braune H., Burhenn R., Buttenschon B., Bykov V., Calvo I., Cappa A., Carls A., De Carvalho B. B., Castejon F., Cianciosa M., Cole M., Costea S., Cseh G., Czarnecka A., Dal Molin A., De La Cal E., De La Pena A., Degenkolbe S., Dhard C. P., Dinklage A., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Durodie F., Dzikowicka A., Von Eeten P., Effenberg F., Endler M., Erckmann V., Estrada T., Fahrenkamp N., Fellinger J., Feng Y., Figacz W., Ford O., Fornal T., Frerichs H., Fuchert G., Garcia-Munoz M., Geiger B., Geiger J., Gierse N., Gogoleva A., Goncalves B., Gradic D., Grahl M., Gross S., Grote H., Grulke O., Guerard C., Haas M., Harris J., Hartfuss H. -J., Hartmann D., Hathiramani D., Hein B., Heirnich S., Henneberg S., Hennig C., Hernandez J., Hidalgo C., Hidalgo U., Hirsch M., Hofel U., Holbe H., Holting A., Houry M., Huber V., Ionita C., Israeli B., Jablonski S., Jakubowski M., Van Vuuren A. J., Jenzsch H., Kaczmarczyk J., Kallmeyer J. -P., Kamionka U., Kasahara H., Kenmochi N., Kernbichler W., Killer C., Kinna D., Kleiber R., Knauer J., Kochl F., Kocsis G., Kolesnichenko Y., Konies A., Konig R., Kornejew P., Koster F., Kramer-Flecken A., Krampitz R., Krawzyk N., Kremeyer T., Krychowiak M., Ksiazek I., Kubkowska M., Kuhner G., Kurki-Suonio T., Kurz P., Kuttler K., Kwak S., Landreman M., Langenberg A., Lapayese F., Laqua H., Laqua H. -P., Laube R., Laux M., Lentz H., Lewerentz M., Liang Y., Liu S., Lobsien J. -F., Cisquella J. L., Lopez-Bruna D., Lore J., Lorenz A., Lui S., Lutsenko V., Maassberg H., Maisano-Brown J., Marchuk O., Marrelli L., Marsen S., Marushchenko N., Masuzaki S., McCarthy K., McNeely P., Medina F., Milojevic D., Mishchenko A., Missal B., Mittelstaedt J., Mollen A., Moncada V., Monnich T., Moseev D., Nagel M., Naujoks D., Neilson G. H., Neubauer O., Neuner U., Ngo T. -T., Niemann H., Nuhrenberg C., Nuhrenberg J., Ochando M., Ogawa K., Ongena J., Oosterbeek H., Pablant N., Pacella D., Pacios L., Panadero N., Pasch E., Pastor I., Pavone A., Pawelec E., Pedrosa A., Perseo V., Peterson B., Pilopp D., Pisano F., Piulatti M. E., Plunk G., Preynas M., Proll J., Sitjes A. P., Purps F., Rack M., Rahbarnia K., Riemann J., Risse K., Rong P., Rosenberger J., Rudischhauser L., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Saitoh H., Satake S., Schacht J., Schmitz O., Schmuck S., Schneider B., Schneider M., Schneider W., Schrittwieser R., Schroder M., Schroder T., Schroder R., Schumacher H. W., Schweer B., Seki R., Sinha P., Sipilae S., Slaby C., Smith H., Sousa J., Spring A., Standley B., Stange T., Von Stechow A., Stephey L., Stoneking M., Stridde U., Suzuki Y., Svensson J., Szabolics T., Szepesi T., Thomsen H., Travere J. -M., Traverso P., Mora H. T., Tsuchiya H., Tsuijmura T., Turkin Y., Valet S., Van Milligen B., Vela L., Velasco J. -L., Vergote M., Vervier M., Viebke H., Vilbrandt R., Von Thun C. P., Wagner F., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Wegner T., Weir G., Wendorf J., Wenzel U., Werner A., Wie Y., Wiegel B., Wilde F., Windisch T., Winkler M., Winters V., Wright A., Wurden G., Xanthopoulos P., Yamada I., Yasuhara R., Yokoyama M., Zhang D., Zilker M., Zimbal A., Zocco A., Zoletnik S., W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society, Massachusetts Institute of Technology. Department of Physics, Maisano-Brown, Jeannette D., Science and Technology of Nuclear Fusion, Pedersen, T, Otte, M, Lazerson, S, Helander, P, Bozhenkov, S, Biedermann, C, Klinger, T, Wolf, R, Bosch, H, Abramovic, I, Akaslompolo, S, Aleynikov, P, Aleynikova, K, Ali, A, Alonso, A, Anda, G, Andreeva, T, Ascasibar, E, Baldzuhn, J, Banduch, M, Barbui, T, Beidler, C, Benndorf, A, Beurskens, M, Biel, W, Birus, D, Blackwell, B, Blanco, E, Blatzheim, M, Bluhm, T, Bockenhoff, D, Bolgert, P, Borchardt, M, Bottger, L, Brakel, R, Brandt, C, Brauer, T, Braune, H, Burhenn, R, Buttenschon, B, Bykov, V, Calvo, I, Cappa, A, Carls, A, De Carvalho, B, Castejon, F, Cianciosa, M, Cole, M, Costea, S, Cseh, G, Czarnecka, A, Dal Molin, A, De La Cal, E, De La Pena, A, Degenkolbe, S, Dhard, C, Dinklage, A, Dostal, M, Drevlak, M, Drewelow, P, Drews, P, Dudek, A, Durodie, F, Dzikowicka, A, Von Eeten, P, Effenberg, F, Endler, M, Erckmann, V, Estrada, T, Fahrenkamp, N, Fellinger, J, Feng, Y, Figacz, W, Ford, O, Fornal, T, Frerichs, H, Fuchert, G, Garcia-Munoz, M, Geiger, B, Geiger, J, Gierse, N, Gogoleva, A, Goncalves, B, Gradic, D, Grahl, M, Gross, S, Grote, H, Grulke, O, Guerard, C, Haas, M, Harris, J, Hartfuss, H, Hartmann, D, Hathiramani, D, Hein, B, Heirnich, S, Henneberg, S, Hennig, C, Hernandez, J, Hidalgo, C, Hidalgo, U, Hirsch, M, Hofel, U, Holbe, H, Holting, A, Houry, M, Huber, V, Ionita, C, Israeli, B, Jablonski, S, Jakubowski, M, Van Vuuren, A, Jenzsch, H, Kaczmarczyk, J, Kallmeyer, J, Kamionka, U, Kasahara, H, Kenmochi, N, Kernbichler, W, Killer, C, Kinna, D, Kleiber, R, Knauer, J, Kochl, F, Kocsis, G, Kolesnichenko, Y, Konies, A, Konig, R, Kornejew, P, Koster, F, Kramer-Flecken, A, Krampitz, R, Krawzyk, N, Kremeyer, T, Krychowiak, M, Ksiazek, I, Kubkowska, M, Kuhner, G, Kurki-Suonio, T, Kurz, P, Kuttler, K, Kwak, S, Landreman, M, Langenberg, A, Lapayese, F, Laqua, H, Laube, R, Laux, M, Lentz, H, Lewerentz, M, Liang, Y, Liu, S, Lobsien, J, Cisquella, J, Lopez-Bruna, D, Lore, J, Lorenz, A, Lui, S, Lutsenko, V, Maassberg, H, Maisano-Brown, J, Marchuk, O, Marrelli, L, Marsen, S, Marushchenko, N, Masuzaki, S, Mccarthy, K, Mcneely, P, Medina, F, Milojevic, D, Mishchenko, A, Missal, B, Mittelstaedt, J, Mollen, A, Moncada, V, Monnich, T, Moseev, D, Nagel, M, Naujoks, D, Neilson, G, Neubauer, O, Neuner, U, Ngo, T, Niemann, H, Nuhrenberg, C, Nuhrenberg, J, Ochando, M, Ogawa, K, Ongena, J, Oosterbeek, H, Pablant, N, Pacella, D, Pacios, L, Panadero, N, Pasch, E, Pastor, I, Pavone, A, Pawelec, E, Pedrosa, A, Perseo, V, Peterson, B, Pilopp, D, Pisano, F, Piulatti, M, Plunk, G, Preynas, M, Proll, J, Sitjes, A, Purps, F, Rack, M, Rahbarnia, K, Riemann, J, Risse, K, Rong, P, Rosenberger, J, Rudischhauser, L, Rummel, K, Rummel, T, Runov, A, Rust, N, Ryc, L, Saitoh, H, Satake, S, Schacht, J, Schmitz, O, Schmuck, S, Schneider, B, Schneider, M, Schneider, W, Schrittwieser, R, Schroder, M, Schroder, T, Schroder, R, Schumacher, H, Schweer, B, Seki, R, Sinha, P, Sipilae, S, Slaby, C, Smith, H, Sousa, J, Spring, A, Standley, B, Stange, T, Von Stechow, A, Stephey, L, Stoneking, M, Stridde, U, Suzuki, Y, Svensson, J, Szabolics, T, Szepesi, T, Thomsen, H, Travere, J, Traverso, P, Mora, H, Tsuchiya, H, Tsuijmura, T, Turkin, Y, Valet, S, Van Milligen, B, Vela, L, Velasco, J, Vergote, M, Vervier, M, Viebke, H, Vilbrandt, R, Von Thun, C, Wagner, F, Wang, E, Wang, N, Warmer, F, Wauters, T, Wegener, L, Wegner, T, Weir, G, Wendorf, J, Wenzel, U, Werner, A, Wie, Y, Wiegel, B, Wilde, F, Windisch, T, Winkler, M, Winters, V, Wright, A, Wurden, G, Xanthopoulos, P, Yamada, I, Yasuhara, R, Yokoyama, M, Zhang, D, Zilker, M, Zimbal, A, Zocco, A, Zoletnik, S, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Department of Applied Physics, Aalto-yliopisto, Aalto University, and Pacella, D.

Subjects
Tokamak, Plasma parameters, Science, General Physics and Astronomy, Topology (electrical circuits), Topology, 7. Clean energy, 01 natural sciences, Article, General Biochemistry, Genetics and Molecular Biology, 010305 fluids & plasmas, law.invention, law, 0103 physical sciences, 010306 general physics, Physics, Fusion, Wendelstein7-X, Stellarator, Multidisciplinary, ta114, General Chemistry, Plasma, Fusion power, Magnetic field, Erratum, Wendelstein 7-X, Stellarator
Abstract

Fusion energy research has in the past 40 years focused primarily on the tokamak concept, but recent advances in plasma theory and computational power have led to renewed interest in stellarators. The largest and most sophisticated stellarator in the world, Wendelstein 7-X (W7-X), has just started operation, with the aim to show that the earlier weaknesses of this concept have been addressed successfully, and that the intrinsic advantages of the concept persist, also at plasma parameters approaching those of a future fusion power plant. Here we show the first physics results, obtained before plasma operation: that the carefully tailored topology of nested magnetic surfaces needed for good confinement is realized, and that the measured deviations are smaller than one part in 100,000. This is a significant step forward in stellarator research, since it shows that the complicated and delicate magnetic topology can be created and verified with the required accuracy., Early stellarator designs suffered from high particle losses, an issue that can be addressed by optimization of the coils. Here the authors measure the magnetic field lines in the Wendelstein 7-X stellarator, confirming that the complicated design of the superconducting coils has been realized successfully.

Published
2016

17. Overview of TJ-II flexible heliac results

Author

Ascası́bar, E, Alejaldre, C, Alonso, J, Almoguera, L, Baciero, A, Balbı́n, R, Blaumoser, M, Botija, J, Brañas, B, de la Cal, E, Cappa, A, Castellano, J, Carrasco, R, Castejón, F, Cepero, J.R, Cremy, C, Doncel, J, Eguilior, S, Estrada, T, Fernández, A, Fuentes, C, Garcı́a, A, Garcı́a-Cortés, I, Guasp, J, Herranz, J, Hidalgo, C, Jiménez, J.A, Kirpitchev, I, Krivenski, V, Labrador, I, Lapayese, F, Likin, K, Liniers, M, López-Fraguas, A, López-Sánchez, A, de la Luna, E, Martı́n, R, Martı́nez-Laso, L, Medrano, M, Méndez, P, McCarthy, K.J, Medina, F, van Milligen, B, Ochando, M, Pacios, L, Pastor, I, Pedrosa, M.A, de la Peña, A, Portas, A, Qin, J, Rodrı́guez-Rodrigo, L, Romero, J, Salas, A, Sánchez, E, Sánchez, J, Tabarés, F, Tafalla, D, Tribaldos, V, Vega, J, and Zurro, B

Published
2001
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18. 3D effects on transport and plasma control in the TJ-II stellarator

Author

Castejón, F., primary, Alegre, D., additional, Alonso, A., additional, Alonso, J., additional, Ascasíbar, E., additional, Baciero, A., additional, de Bustos, A., additional, Baiao, D., additional, Barcala, J.M., additional, Blanco, E., additional, Borchardt, M., additional, Botija, J., additional, Cabrera, S., additional, de la Cal, E., additional, Calvo, I., additional, Cappa, A., additional, Carrasco, R., additional, Castro, R., additional, De Castro, A., additional, Catalán, G., additional, Chmyga, A.A., additional, Chamorro, M., additional, Dinklage, A., additional, Eliseev, L., additional, Estrada, T., additional, Fernández-Marina, F., additional, Fontdecaba, J.M., additional, García, L., additional, García-Cortés, I., additional, García-Gómez, R., additional, García-Regaña, J.M., additional, Guasp, J., additional, Hatzky, R., additional, Hernanz, J., additional, Hernández, J., additional, Herranz, J., additional, Hidalgo, C., additional, Hollmann, E., additional, Jiménez-Denche, A., additional, Kirpitchev, I., additional, Kleiber, R., additional, Komarov, A.D., additional, Kozachoek, A.S., additional, Krupnik, L., additional, Lapayese, F., additional, Liniers, M., additional, Liu, B., additional, López-Bruna, D., additional, López-Fraguas, A., additional, López-Miranda, B., additional, López-Razola, J., additional, Losada, U., additional, de la Luna, E., additional, Martín de Aguilera, A., additional, Martín-Díaz, F., additional, Martínez, M., additional, Martín-Gómez, G., additional, Martín-Hernández, F., additional, Martín-Rojo, A.B., additional, Martínez-Fernández, J., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Melón, L., additional, Melnikov, A.V., additional, Méndez, P., additional, Merino, R., additional, Miguel, F.J., additional, van Milligen, B., additional, Molinero, A., additional, Momo, B., additional, Monreal, P., additional, Moreno, R., additional, Navarro, M., additional, Narushima, Y., additional, Nedzelskiy, I.S., additional, Ochando, M.A., additional, Olivares, J., additional, Oyarzábal, E., additional, de Pablos, J.L., additional, Pacios, L., additional, Panadero, N., additional, Pastor, I., additional, Pedrosa, M.A., additional, de la Peña, A., additional, Pereira, A., additional, Petrov, A., additional, Petrov, S., additional, Portas, A.B., additional, Poveda, E., additional, Rattá, G.A., additional, Rincón, E., additional, Ríos, L., additional, Rodríguez, C., additional, Rojo, B., additional, Ros, A., additional, Sánchez, J., additional, Sánchez, M., additional, Sánchez, E., additional, Sánchez-Sarabia, E., additional, Sarksian, K., additional, Satake, S., additional, Sebastián, J.A., additional, Silva, C., additional, Solano, E.R., additional, Soleto, A., additional, Sun, B.J., additional, Tabarés, F.L., additional, Tafalla, D., additional, Tallents, S., additional, Tolkachev, A., additional, Vega, J., additional, Velasco, G., additional, Velasco, J.L., additional, Wolfers, G., additional, Yokoyama, M., additional, and Zurro, B., additional

Published
2017
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19. Transport, stability and plasma control studies in the TJ-II stellarator

Author

Sánchez, J., primary, Alegre, D., additional, Alonso, A., additional, Alonso, J., additional, Alvarez, P., additional, Arévalo, J., additional, Ascasíbar, E., additional, Baciero, A., additional, Baiao, D., additional, Barcala, J.M., additional, Blanco, E., additional, Borchardt, M., additional, Botija, J., additional, Cabrera, S., additional, de la Cal, E., additional, Calvo, I., additional, Cappa, A., additional, Carrasco, R., additional, Castejón, F., additional, Castro, R., additional, De Castro, A., additional, Catalán, G., additional, Chmyga, A.A., additional, Chamorro, M., additional, Dinklage, A., additional, Eliseev, L., additional, Estrada, T., additional, Fernández-Marina, F., additional, Fontdecaba, J.M., additional, García, L., additional, García-Gómez, R., additional, García-Regaña, J.M., additional, Guasp, J., additional, Hatzky, R., additional, Hernández, J., additional, Herranz, J., additional, Hidalgo, C., additional, Hollmann, E., additional, Jiménez, J.A., additional, Jiménez-Denche, A., additional, Kirpitchev, I., additional, Kleiber, R., additional, Komarov, A.D., additional, Kozachok, A.S., additional, Krupnik, L., additional, Lapayese, F., additional, Liniers, M., additional, Liu, B., additional, López-Bruna, D., additional, López-Fraguas, A., additional, López-Razola, J., additional, Martín de Aguilera, A., additional, Martín-Díaz, F., additional, Martín-Hernández, F., additional, Martín-Rojo, A.B., additional, Martínez-Fernández, J., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Melón, L., additional, Melnikov, A.V., additional, Méndez, P., additional, van Milligen, B., additional, Molinero, A., additional, Monreal, P., additional, Moreno, R., additional, Navarro, M., additional, Nedzelskiy, I.S., additional, Ochando, M.A., additional, Olivares, J., additional, Oyarzábal, E., additional, de Pablos, J.L., additional, Pacios, L., additional, Pastor, I., additional, Pedrosa, M.A., additional, de la Peña, A., additional, Pereira, A., additional, Petrov, A., additional, Petrov, S., additional, Portas, A.B., additional, Rattá, G., additional, Rincón, E., additional, Ríos, L., additional, Rodríguez, C., additional, Rojo, B., additional, Ros, A., additional, Sánchez, M., additional, Sánchez, E., additional, Sánchez-Sarabia, E., additional, Sarksian, K., additional, Satake, S., additional, Sebastián, J.A., additional, Silva, C., additional, Solano, E.R., additional, Soleto, A., additional, Sun, B., additional, Tabarés, F.L., additional, Tafalla, D., additional, Tallents, S., additional, Tolkachev, A., additional, Vega, J., additional, Velasco, G., additional, Velasco, J.L., additional, Wolfers, G., additional, Yokoyama, M., additional, and Zurro, B., additional

Published
2015
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21. Perturbative transport experiments on TJ-II Flexible Heliac

Author

Castejón, F., Ascasíbar, E., Alejaldre, C., Alonso, J., Almoguera, L., Baciero, A., Balbín, R., Blanco, E., Blaumoser, M., Botija, J., Brañas, B., Cappa, A., Carrasco, R., Cepero, J.R., Chmyga, A.A., Doncel, J., Dreval, N.B., Eguilior, S., Eliseev, L., Estrada, T., Fedyanin, O., Fernández, A., Fontdecaba, J.M., Fuentes, C., García, A., García-Cortés, I., Gonçalves, B., Guasp, J., Herranz, J., Hidalgo, A., Hidalgo, C., Jiménez, J.A., Kirpitchev, I., Khrebtov, S.M., Komarov, A.D., Kozachok, A.S., Krupnik, L., Lapayese, F., Likin, K., Liniers, M., López-Bruna, D., López-Fraguas, A., López-Rázola, J., López-Sánchez, A., de la Luna, E., Malaquias, A., Martín, R., Medrano, M., Melnikov, A.V., Méndez, P., McCarthy, K.J., Medina, F., van Milligen, B., Nedzelskiy, I.S., Ochando, M., Pacios, L., Pastor, I., Pavlov, S.S., Pedrosa, M.A., de la Peña, A., Petrov, A., Petrov, S., Portas, A., Romero, J., Rodríguez-Rodrigo, L., Salas, A., Sánchez, E., Sánchez, J., Sarksian, K., Schchepetov, S., Skvortsova, N., Tabarés, F., Tafalla, D., Tribaldos, V., Varandas, C.F.A., Vega, J., and Zurro, B.

Subjects
Magnetic confinement
Abstract

Transport properties of TJ-II are explored performing perturbative experiments and taking advantage of TJ-II flexibility. Rotational transform can be varied in a wide range, which allows one to introduce low order rationals and to study their effect on transport. On the other hand, confinement properties can be studied at very different rotational transform values and for different values of magnetic shear: Experiments on influence of the magnetic shear on confinement are reported. In these cases a Ohmic current has been induced in TJ-II plasma to modify magnetic shear and to evaluate itsd effect on confinement, showing that negative shear improves the confinement. Heat transport is also reduced by locating a low order rational near the power deposition profile. Plasma potential profiles have been recently measured in some configurations up to the plasma core with the Heavy Ion Beam Probe (HIBP) diagnostic and the electric field values measured in low-density plasmas are consistent with neoclassical calculations near the plasma core. Plasma edge turbulent transport has been studied in configurations that are marginally stable due to decreased magnetic well. Results show a dynamical coupling between gradients and turbulent transport. Finally, cold pulse propagation has been studied showing ballistic non diffusive propagation.

Published
2002

22. Latest physics results of TJ-II flexible heliac

Author

Castejón, F., Alejaldre, C., Alonso, J., Almoguera, L., Ascasíbar, E., Baciero, A., Balbín, R., Blaumoser, M., Botija, J., Brañas, B., de la Cal, E., Cappa, A., Carrasco, R., Cepero, J.R., Cremy, C., Doncel, J., Eguilior, S., Estrada, T., Fernández, A., Fuentes, C., García, A., García-Cortés, I., Guasp, J., Herranz, J., Hidalgo, C., Jiménez, J.A., Kirpitchev, I., Krivenski, V., Labrador, I., Lapayese, F., Likin, K., Liniers, M., López-Fraguas, A., López-Sánchez, A., de la Luna, E., Martín, R., Martínez-Laso, L., Medrano, M., Méndez, P., McCarthy, K.J., Medina, F., van Milligen, B., Ochando, M., Pacios, L., Pastor, I., Pedrosa, M.A., de la Peña, A., Portas, A., Qin, J., Rodríguez-Rodrigo, L., Salas, A., Sánchez, E., Sánchez, J., Tabarés, F., Tafalla, D., Tribaldos, V., Vega, J., and Zurro, B.

Subjects
Magnetic confinement
Abstract

This paper is devoted to the presentation of the most relevant recent Physics results obtained in the TJ-II flexible heliac. Firstly ECRH modulation and plasma breakdown studies are summarised; then the particle control techniques used to obtain reproducible discharges with density under control are presented. Transport studies show internal heat transport barriers that reduce heat conductivity to neoclassical values, and ELM-like transport events, similar to those observed in tokamaks and in other stellarators before and during H mode transition. Evidence of ExB sheared has been observed both in the proximity of rational surfaces. Finally, a high resolution Thomsom Scattering system has shown Te and ne profile structures.

Published
2000

23. Dynamics of flows and confinement in the TJ-II stellarator

Author

Sánchez, J., primary, Alegre, D., additional, Alonso, A., additional, Alonso, J., additional, Álvarez, P., additional, Arévalo, J., additional, Ascasíbar, E., additional, Baciero, A., additional, Baião, D., additional, Blanco, E., additional, Borchardt, M., additional, Botija, J., additional, Bustos, A., additional, de la Cal, E., additional, Calvo, I., additional, Cappa, A., additional, Carralero, D., additional, Carrasco, R., additional, Castejón, F., additional, Castro, R., additional, Catalán, G., additional, Chmyga, A.A., additional, Chamorro, M., additional, Eliseev, L., additional, Estrada, T., additional, Fernández, F., additional, Fontdecaba, J.M., additional, García, L., additional, García-Gómez, R., additional, García-Sánchez, P., additional, da Graça, S., additional, Guasp, J., additional, Hatzky, R., additional, Hernández, J., additional, Hernanz, J., additional, Herranz, J., additional, Hidalgo, C., additional, Jiménez, J.A., additional, Jiménez-Denche, A., additional, Kirpitchev, I., additional, Kleiber, R., additional, Komarov, A.D., additional, Kozachok, A.S., additional, Krupnik, L., additional, Lapayese, F., additional, Liniers, M., additional, López-Bruna, D., additional, López-Fraguas, A., additional, López-Razola, J., additional, Martín, A., additional, Martín-Díaz, F., additional, Martín-Hernández, F., additional, Martín-Rojo, A.B., additional, Martínez-Fernández, J., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Melón, L., additional, Melnikov, A.V., additional, Méndez, P., additional, van Milligen, B., additional, Monreal, P., additional, Navarro, M., additional, Nedzelskiy, I.S., additional, Ochando, M.A., additional, Olivares, J., additional, Oyarzábal, E., additional, de Pablos, J.L., additional, Pacios, L., additional, Pastor, I., additional, Pedrosa, M.A., additional, de la Peña, A., additional, Pereira, A., additional, Petrov, A., additional, Petrov, S., additional, Portas, A.B., additional, Rincón, E., additional, Ríos, L., additional, Rodríguez, C., additional, Rojo, B., additional, Romero, J.A., additional, Ros, A., additional, Sánchez, M., additional, Sánchez, E., additional, Sánchez-Sarabia, E., additional, Sarksian, K., additional, Sebastián, J.A., additional, Silva, C., additional, Solano, E.R., additional, Soleto, A., additional, Sun, B., additional, Tabarés, F.L., additional, Tafalla, D., additional, Tereshchenko, M., additional, Tolkachev, A., additional, Vega, J., additional, Velasco, G., additional, Velasco, J.L., additional, Wolfers, G., additional, and Zurro, B., additional

Published
2013
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24. Overview of TJ-II experiments

Author

Sánchez, J., primary, Acedo, M., additional, Alegre, D., additional, Alonso, A., additional, Alonso, J., additional, Álvarez, P., additional, Arévalo, J., additional, Ascasíbar, E., additional, Baciero, A., additional, Baião, D., additional, Barrera, L., additional, Blanco, E., additional, Botija, J., additional, Bustos, A., additional, de la Cal, E., additional, Calvo, I., additional, Cappa, A., additional, Carralero, D., additional, Carrasco, R., additional, Carreras, B.A., additional, Castejón, F., additional, Castro, R., additional, Catalán, G., additional, Chmyga, A.A., additional, Chamorro, M., additional, Eliseev, L., additional, Esteban, L., additional, Estrada, T., additional, Ferreira, J.A., additional, Fontdecaba, J.M., additional, García, L., additional, García-Gómez, R., additional, García-Regaña, J.M., additional, García-Sánchez, P., additional, Gómez-Iglesias, A., additional, González, S., additional, Guasp, J., additional, Happel, T., additional, Hernanz, J., additional, Herranz, J., additional, Hidalgo, C., additional, Jiménez, J.A., additional, Jiménez-Denche, A., additional, Jiménez-Gómez, R., additional, Kirpitchev, I., additional, Komarov, A.D., additional, Kozachok, A.S., additional, Krupnik, L., additional, Lapayese, F., additional, Liniers, M., additional, López-Bruna, D., additional, López-Fraguas, A., additional, López-Rázola, J., additional, Madeira, T., additional, Martín-Díaz, F., additional, Martín-Hernández, F., additional, Martín-Rojo, A.B., additional, Martínez-Fernández, J., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Melón, L., additional, Melnikov, A.V., additional, Méndez, P., additional, van Milligen, B., additional, Mirones, E., additional, Molinero, A., additional, Navarro, M., additional, Nedzelskiy, I.S., additional, Ochando, M., additional, Olivares, J., additional, Oyarzábal, E., additional, de Pablos, J.L., additional, Pacios, L., additional, Pastor, I., additional, Pedrosa, M.A., additional, de la Peña, A., additional, Pereira, A., additional, Petrov, A., additional, Petrov, S., additional, Portas, A., additional, Rattá, G., additional, Reynolds, J.M., additional, Rincón, E., additional, Ríos, L., additional, Rodríguez, C., additional, Rojo, B., additional, Romero, J.A., additional, Ros, A., additional, Sánchez, M., additional, Sánchez, E., additional, Sánchez-Burillo, G., additional, Sánchez-Sarabia, E., additional, Sarksian, K., additional, Sebastián, J.A., additional, Silva, C., additional, Solano, E.R., additional, Soleto, A., additional, Tabarés, F., additional, Tafalla, D., additional, Tera, J., additional, Tolkachev, A., additional, Vega, J., additional, Velasco, G., additional, Velasco, J.L., additional, Weber, M., additional, Wolfers, G., additional, and Zurro, B., additional

Published
2011
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26. Confinement transitions in TJ-II under Li-coated wall conditions

Author

Sánchez, J., primary, Acedo, M., additional, Alonso, A., additional, Alonso, J., additional, Alvarez, P., additional, Ascasíbar, E., additional, Baciero, A., additional, Balbín, R., additional, Barrera, L., additional, Blanco, E., additional, Botija, J., additional, de Bustos, A., additional, de la Cal, E., additional, Calvo, I., additional, Cappa, A., additional, Carmona, J.M., additional, Carralero, D., additional, Carrasco, R., additional, Carreras, B.A., additional, Castejón, F., additional, Castro, R., additional, Catalán, G., additional, Chmyga, A.A., additional, Chamorro, M., additional, Eliseev, L., additional, Esteban, L., additional, Estrada, T., additional, Fernández, A., additional, Fernández-Gavilán, R., additional, Ferreira, J.A., additional, Fontdecaba, J.M., additional, Fuentes, C., additional, García, L., additional, García-Cortés, I., additional, García-Gómez, R., additional, García-Regaña, J.M., additional, Guasp, J., additional, Guimarais, L., additional, Happel, T., additional, Hernanz, J., additional, Herranz, J., additional, Hidalgo, C., additional, Jiménez, J.A., additional, Jiménez-Denche, A., additional, Jiménez-Gómez, R., additional, Jiménez-Rey, D., additional, Kirpitchev, I., additional, Komarov, A.D., additional, Kozachok, A.S., additional, Krupnik, L., additional, Lapayese, F., additional, Liniers, M., additional, López-Bruna, D., additional, López-Fraguas, A., additional, López-Rázola, J., additional, López-Sánchez, A., additional, Lysenko, S., additional, Marcon, G., additional, Martín, F., additional, Maurin, V., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Melnikov, A.V., additional, Méndez, P., additional, van Milligen, B., additional, Mirones, E., additional, Nedzelskiy, I.S., additional, Ochando, M., additional, Olivares, J., additional, de Pablos, J.L., additional, Pacios, L., additional, Pastor, I., additional, Pedrosa, M.A., additional, de la Peña, A., additional, Pereira, A., additional, Pérez, G., additional, Pérez-Risco, D., additional, Petrov, A., additional, Petrov, S., additional, Portas, A., additional, Pretty, D., additional, Rapisarda, D., additional, Rattá, G., additional, Reynolds, J.M., additional, Rincón, E., additional, Ríos, L., additional, Rodríguez, C., additional, Romero, J.A., additional, Ros, A., additional, Salas, A., additional, Sánchez, M., additional, Sánchez, E., additional, Sánchez-Sarabia, E., additional, Sarksian, K., additional, Sebastián, J.A., additional, Silva, C., additional, Schchepetov, S., additional, Skvortsova, N., additional, Solano, E.R., additional, Soleto, A., additional, Tabarés, F., additional, Tafalla, D., additional, Tarancón, A., additional, Taschev, Yu., additional, Tera, J., additional, Tolkachev, A., additional, Tribaldos, V., additional, Vargas, V.I., additional, Vega, J., additional, Velasco, G., additional, Velasco, J.L., additional, Weber, M., additional, Wolfers, G., additional, and Zurro, B., additional

Published
2009
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27. First dynamic magnetic configuration scans in ECRH plasmas of the TJ-II Heliac

Author

López-Bruna, D., primary, Romero, J.A., additional, Jiménez-Gómez, R., additional, Pedrosa, M.A., additional, Ochando, M., additional, Estrada, T., additional, López-Fraguas, A., additional, Medina, F., additional, Herranz, J., additional, Kalhoff, T., additional, Ascasíbar, E., additional, de la Peña, A., additional, Lapayese, F., additional, and Alonso, J., additional

Published
2009
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28. Overview of TJ-II experiments

Author

Sánchez, J., primary, Acedo, M., additional, Alonso, A., additional, Alonso, J., additional, Alvarez, P., additional, de Aragón, F., additional, Ascasíbar, E., additional, Baciero, A., additional, Balbín, R., additional, Barrera, L., additional, Blanco, E., additional, Botija, J., additional, Brañas, B., additional, de la Cal, E., additional, Calderón, E., additional, Calvo, I., additional, Cappa, A., additional, Carmona, J.A., additional, Carreras, B.A., additional, Carrasco, R., additional, Castejón, F., additional, Catalán, G., additional, Chmyga, A.A., additional, Dreval, N.B., additional, Chamorro, M., additional, Eguilior, S., additional, Encabo, J., additional, Eliseev, L., additional, Estrada, T., additional, Fernández, A., additional, Fernández, R., additional, Ferreira, J.A., additional, Fontdecaba, J.M., additional, Fuentes, C., additional, de la Gama, J., additional, García, A., additional, García, L., additional, García-Cortés, I., additional, García-Regaña, J.M., additional, Gonçalves, B., additional, Guasp, J., additional, Herranz, J., additional, Hidalgo, A., additional, Hidalgo, C., additional, Jiménez-Gómez, R., additional, Jiménez, J.A., additional, Jiménez, D., additional, Kirpitchev, I., additional, Komarov, A.D., additional, Kozachok, A.S., additional, Krupnik, L., additional, Lapayese, F., additional, Liniers, M., additional, López-Bruna, D., additional, López-Fraguas, A., additional, López-Rázola, J., additional, López-Sánchez, A., additional, de la Luna, E., additional, Marcon, G., additional, Martín, F., additional, Martínez-Fresno, L., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Melnikov, A.V., additional, Méndez, P., additional, Mirones, E., additional, van Milligen, B., additional, Nedzelskiy, I.S., additional, Ochando, M., additional, Olivares, J., additional, Orozco, R., additional, Ortiz, P., additional, de Pablos, J.L., additional, Pacios, L., additional, Pastor, I., additional, Pedrosa, M.A., additional, de la Peña, A., additional, Pereira, A., additional, Pérez-Risco, D., additional, Petrov, A., additional, Petrov, S., additional, Portas, A., additional, Rapisarda, D., additional, Ríos, L., additional, Rodríguez, C., additional, Rodríguez-Rodrigo, L., additional, Rodríguez-Solano, E., additional, Romero, J., additional, Ros, A., additional, Salas, A., additional, Sánchez, E., additional, Sánchez, M., additional, Sánchez-Sarabia, E., additional, Sarasola, X., additional, Sarksian, K., additional, Silva, C., additional, Schchepetov, S., additional, Skvortsova, N., additional, Soleto, A., additional, Tabarés, F., additional, Tafalla, D., additional, Tera, J., additional, Tolkachev, A., additional, Tribaldos, V., additional, Vargas, V.I., additional, Vega, J., additional, Velasco, G., additional, Weber, M., additional, Wolfers, G., additional, Zweben, S.J., additional, and Zurro, B., additional

Published
2007
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29. Overview of TJ-II experiments

Author

Hidalgo, C, primary, Alejaldre, C, additional, Alonso, A, additional, Alonso, J, additional, Almoguera, L, additional, Aragón, F. de, additional, Ascasíbar, E, additional, Baciero, A, additional, Balbín, R, additional, Blanco, E, additional, Botija, J, additional, Brañas, B, additional, Calderón, E, additional, Cappa, A, additional, Carmona, J.A, additional, Carrasco, R, additional, Castejón, F, additional, Cepero, J.R, additional, Chmyga, A.A, additional, Doncel, J, additional, Dreval, N.B, additional, Eguilior, S, additional, Eliseev, L, additional, Estrada, T, additional, Ferreira, J.A, additional, Fernández, A, additional, Fontdecaba, J.M, additional, Fuentes, C, additional, García, A, additional, García-Cortés, I, additional, Gonçalves, B, additional, Guasp, J, additional, Herranz, J, additional, Hidalgo, A, additional, Jiménez, R, additional, Jiménez, J.A, additional, Jiménez-Rey, D, additional, Kirpitchev, I, additional, Khrebtov, S.M, additional, Komarov, A.D, additional, Kozachok, A.S, additional, Krupnik, L, additional, Lapayese, F, additional, Liniers, M, additional, López-Bruna, D, additional, López-Fraguas, A, additional, López-Rázola, J, additional, López-Sánchez, A, additional, Luna, E. de la, additional, Marcon, G, additional, Martín, R, additional, McCarthy, K.J, additional, Medina, F, additional, Medrano, M, additional, Melnikov, A.V, additional, Méndez, P, additional, Milligen, B. van, additional, Nedzelskiy, I.S, additional, Ochando, M, additional, Orozco, O, additional, Pablos, J.L. de, additional, Pacios, L, additional, Pastor, I, additional, Pedrosa, M.A, additional, Peña, A. de la, additional, Pereira, A, additional, Petrov, A, additional, Petrov, S, additional, Portas, A, additional, Rapisarda, D, additional, Rodríguez-Rodrigo, L, additional, Rodríguez-Solano, E, additional, Romero, J, additional, Salas, A, additional, Sánchez, E, additional, Sánchez, J, additional, Sánchez, M, additional, Sarksian, K, additional, Silva, C, additional, Schchepetov, S, additional, Skvortsova, N, additional, Tabarés, F, additional, Tafalla, D, additional, Tolkachev, A, additional, Tribaldos, V, additional, Vargas, I, additional, Vega, J, additional, Wolfers, G, additional, and Zurro, B, additional

Published
2005
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30. Confinement and stability on the TJ-II stellarator

Author

Ascas bar, E, primary, Alejaldre, C, additional, Alonso, J, additional, Almoguera, L, additional, Baciero, A, additional, Balb n, R, additional, Blanco, E, additional, Blaumoser, M, additional, Botija, J, additional, Bra as, B, additional, Cappa, A, additional, Carrasco, R, additional, Castej n, F, additional, Cepero, J R, additional, Chmyga, A A, additional, Doncel, J, additional, Dreval, N B, additional, Eguilior, S, additional, Eliseev, L, additional, Estrada, T, additional, Fedyanin, O, additional, Fern ndez, A, additional, Fontdecaba, J M, additional, Fuentes, C, additional, Garc a, A, additional, Garc a-Cort s, I, additional, Gon alves, B, additional, Guasp, J, additional, Herranz, J, additional, Hidalgo, A, additional, Hidalgo, C, additional, Jim nez, J A, additional, Kirpitchev, I, additional, Khrebtov, S M, additional, Komarov, A D, additional, Kozachok, A S, additional, Krupnik, L, additional, Lapayese, F, additional, Likin, K, additional, Liniers, M, additional, L pez-Bruna, D, additional, L pez-Fraguas, A, additional, L pez-R zola, J, additional, L pez-S nchez, A, additional, Luna, E de la, additional, Malaquias, A, additional, Mart n, R, additional, Medrano, M, additional, Melnikov, A V, additional, M ndez, P, additional, McCarthy, K J, additional, Medina, F, additional, Milligen, B van, additional, Nedzelskiy, I S, additional, Ochando, M, additional, Pacios, L, additional, Pastor, I, additional, Pedrosa, M A, additional, Pe a, A de la, additional, Petrov, A, additional, Petrov, S, additional, Portas, A, additional, Romero, J, additional, Rodr guez-Rodrigo, L, additional, Salas, A, additional, S nchez, E, additional, S nchez, J, additional, Sarksian, K, additional, Schchepetov, S, additional, Skvortsova, N, additional, Tabar s, F, additional, Tafalla, D, additional, Tribaldos, V, additional, Varandas, C F A, additional, Vega, J, additional, and Zurro, B, additional

Published
2002
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31. Review of confinement and transport studies in the TJ-II flexible heliac

Author

Alejaldre, C., primary, Almoguera, L., additional, Alonso, J., additional, Ascasíbar, E., additional, Baciero, A., additional, Balbín, R., additional, Blaumoser, M., additional, Botija, J., additional, Brañas, B., additional, Cal, E. de la, additional, Cappa, A., additional, Carrasco, R., additional, Castejón, F., additional, Castellano, J., additional, Cepero, J.R., additional, Cremy, C., additional, Doncel, J., additional, Eguilior, S., additional, Estrada, T., additional, Fernández, A., additional, Fuentes, C., additional, García, A., additional, García-Cortés, I., additional, Guasp, J., additional, Herranz, J., additional, Hidalgo, C., additional, Jiménez, J.A., additional, Kirpitchev, I., additional, Krivenski, V., additional, Labrador, I., additional, Lapayese, F., additional, Likin, K., additional, Liniers, M., additional, López-Fraguas, A., additional, López-Sánchez, A., additional, Luna, E. de la, additional, Martín, R., additional, Martínez-Laso, L., additional, McCarthy, K.J., additional, Medina, F., additional, Medrano, M., additional, Méndez, P., additional, Milligen, B. van, additional, Ochando, M., additional, Pacios, L., additional, Pastor, I., additional, Pedrosa, M.A., additional, Peña, A. de la, additional, Portas, A., additional, Qin, J., additional, Rodríguez-Rodrigo, L., additional, Romero, J., additional, Salas, A., additional, Sánchez, E., additional, Sánchez, J., additional, Tabarés, F., additional, Tafalla, D., additional, Tribaldos, V., additional, Vega, J., additional, and Zurro, B., additional

Published
2001
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32. Confinement studies in the TJ-II stellarator

Author

Alejaldre, C, primary, Alonso, J, additional, Almoguera, L, additional, bar, E Ascasí, additional, Baciero, A, additional, Balbín, R, additional, Blaumoser, M, additional, Botija, J, additional, Brañas, B, additional, Cal, E de la, additional, Cappa, A, additional, Carrasco, R, additional, Castejón, F, additional, Cepero, J R, additional, Cremy, C, additional, Delgado, J M, additional, Doncel, J, additional, Dulya, C, additional, Estrada, T, additional, Fernández, A, additional, Fuentes, C, additional, García, A, additional, a-Cortés, I Garcí, additional, Guasp, J, additional, Herranz, J, additional, Hidalgo, C, additional, Jiménez, J A, additional, Kirpitchev, I, additional, Krivenski, V, additional, Labrador, I, additional, Lapayese, F, additional, Likin, K, additional, Linier, M, additional, López-Fraguas, A, additional, López-Sánchez, A, additional, Luna, E de la, additional, Martín, R, additional, Martinez, A, additional, Martínez-Laso, L, additional, Medrano, M, additional, Méndez, P, additional, McCarthy, K J, additional, Medina, F, additional, Milligen, B van, additional, Ochando, M, additional, Pacios, L, additional, Pastor, I, additional, Pedrosa, M A, additional, Peña, A de la, additional, Portas, A, additional, Qin, J, additional, Rodríguez-Rodrigo, L, additional, Salas, A, additional, Sánchez, E, additional, Sánchez, J, additional, Tabarés, F, additional, Tafalla, D, additional, Tribaldos, V, additional, Vega, J, additional, Zurro, B, additional, Akulina, D, additional, Fedyanin, O I, additional, Grebenshchikov, S, additional, Kharchev, N, additional, Meshcheryakov, A, additional, Sarksian, K A, additional, Barth, R, additional, Dijk, G van, additional, and Meiden, H van der, additional

Published
1999
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33. First plasmas in the TJ-II flexible Heliac

Author

Alejaldre, C, primary, Alonso, J, additional, Almoguera, L, additional, Ascasíbar, E, additional, Baciero, A, additional, Balbín, R, additional, Blaumoser, M, additional, Botija, J, additional, Brañas, B, additional, Cal, E de la, additional, Cappa, A, additional, Carrasco, R, additional, Castejón, F, additional, Cepero, J R, additional, Cremy, C, additional, Doncel, J, additional, Dulya, C, additional, Estrada, T, additional, Fernández, A, additional, Francés, M, additional, Fuentes, C, additional, García, A, additional, García-Cortés, I, additional, Guasp, J, additional, Herranz, J, additional, Hidalgo, C, additional, Jiménez, J A, additional, Kirpitchev, I, additional, Krivenski, V, additional, Labrador, I, additional, Lapayese, F, additional, Likin, K, additional, Liniers, M, additional, López-Fraguas, A, additional, López-Sánchez, A, additional, Luna, E de la, additional, Martín, R, additional, Martínez, A, additional, Medrano, M, additional, Méndez, P, additional, McCarthy, K, additional, Medina, F, additional, Milligen, B van, additional, Ochando, M, additional, Pacios, L, additional, Pastor, I, additional, Pedrosa, M.A, additional, Peña, A de la, additional, Portas, A, additional, Qin, J, additional, Rodríguez-Rodrigo, L, additional, Salas, A, additional, Sánchez, E, additional, Sánchez, J, additional, Tabarés, F, additional, Tafalla, D, additional, Tribaldos, V, additional, Vega, J, additional, Zurro, B, additional, Akulina, D, additional, Fedyanin, O I, additional, Grebenshchicov, S, additional, Kharchev, N, additional, Meshcheryakov, A, additional, Barth, R, additional, Dijk, G van, additional, Meiden, H van der, additional, and Petrov, S, additional

Published
1999
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34. Status of TJ-II Project

Author

Alejaldre, C., primary, Blaumoser, M., additional, Almoguera, L., additional, Alonso, J., additional, Botija, J., additional, Castejón, F., additional, García, A., additional, Guasp, J., additional, Labrador, I., additional, Lapayese, F., additional, Liniers, M., additional, López-Fraguas, A., additional, Martínez, A., additional, Medrano, M., additional, Pacios, L., additional, Peña, A., additional, and Vega, J., additional

Published
1995
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35. First Results of the TJ-I U Torsatron

Author

Ascasíbar, E., primary, Alejaldre, C., additional, Alonso, J., additional, De Aragón, F., additional, Balbín, R., additional, Brañas, B., additional, De La Cal, E., additional, Castejón, F., additional, Castrejón, J., additional, Catalán, G., additional, Cepero, J.R., additional, Estrada, T., additional, Fernández, R., additional, Francés, M., additional, De La Gama, J., additional, Gonzalo, L. García, additional, Cortés, I. García, additional, Gómez, G., additional, Guasp, J., additional, Herranz, J., additional, Hidalgo, C., additional, Aparicio, J.A. Jiménez, additional, Dcnche, A. Jiménez, additional, Krivenski, V., additional, Labrador, I., additional, Lapayese, F., additional, Liniers, M., additional, López-Fraguas, A., additional, Rázola, J. López, additional, Sánchez, A. López, additional, De La Luna, E., additional, García, R. Martín, additional, Roquero, E. Martín, additional, Martínez, L.M., additional, Medina, F., additional, Medrano, M., additional, Van Milligen, B. Ph., additional, Ochando, M. A., additional, Ortiz, P., additional, Pacios, L., additional, Pallás, L., additional, Pastor, I., additional, Pedrosa, M. A., additional, Qin, J., additional, Fernández, M.C. Rodríguez, additional, Rodrigo, L. Rodríguez, additional, Rufino, F., additional, Salas, A., additional, Sánchez-Cabezudo, L., additional, Corpas, A. Sánchez, additional, González, E. Sánchez, additional, Sanz, J. Sánchez, additional, Sierra, C., additional, Tabarés, F., additional, Tafalla, D., additional, Tribaldos, V., additional, Varias, A., additional, Vega, J., additional, Zurro, B., additional, Kovrizhnykh, L.M., additional, Akulina, D. C., additional, Fedyanin, O. F., additional, Grebenshchikov, S., additional, Kharchev, N., additional, Kolik, L.V., additional, Likin, K.M., additional, Netchaev, Yu.I., additional, Petrov, A. Ye., additional, Sarksyan, K.A., additional, Sbitnikova, I., additional, Matveev, N.V., additional, Rassadin, B.M., additional, and Tai, Ye.M., additional

Published
1995
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37. FIRST RESULTS OF THE TJ-I-U TORSATRON

Author

Ascasibar, E., Alejaldre, C., Alonso, J., Dearagon, F., Balbin, R., Branas, B., Delacal, E., Castejon, F., Castrejon, J., Catalan, G., Cepero, J. R., Estrada, T., Fernandez, R., Frances, M., Delagama, J., Gonzalo, L. G., Cortes, I. G., Gomez, G., Guasp, J., Herranz, J., Hidalgo, C., Aparicio, J. A. J., Denche, A. J., Krivenski, V., Labrador, I., Lapayese, F., Liniers, M., Lopezfraguas, A., Razola, J. L., Sanchez, A. L., Delaluna, E., Garcia, R. M., Roquero, E. M., Martinez, L. M., Medina, F., Medrano, M., Vanmilligen, B. P., Ochando, M. A., Ortiz, P., Pacios, L., Pallas, L., Pastor, I., Pedrosa, M. A., Qin, J., Fernandez, M. C. R., Rodrigo, L. R., Rufino, F., Salas, A., Sanchezcabezudo, L., Corpas, A. S., Gonzalez, E. S., Sanz, J. S., Sierra, C., Tabares, F., Tafalla, D., Tribaldos, V., Varias, A., Vega, J., Zurro, B., Kovrizhnykh, L. M., Akulina, D. C., Fedyanin, O. F., Grebenshchikov, S., Kharchev, N., Kolik, L. V., Likin, K. M., Netchaev, Y. I., Petrov, A. Y., Karen Sarksyan, Sbitnikova, I., Matveev, N. V., Rassadin, B. M., and Tai, Y. M.

39. Microwave and Interferometer Diagnostics prepared for first Plasma Operation of WENDELSTEIN 7-X

Author

Hirsch, M., Benndorf, A., Blanco, E., Burhenn, R., Cappa, A., Estrada, T., Ewert, K., Gliege, G., Hartfuss, H. -J, Heuer, C., Herrmann, R., Kasparek, W., Knauer, J. P., Kornejew, P., Krämer-Flecken, A., Lapayese, F., Boudewijn van Milligen, Mohr, S., Neuner, U., Pacios, L., La Peña, A., Pilopp, D., Plaum, B., Röter, N., Sieber, T., Stange, T., Steffen, M., Sunn-Pedersen, T., Trimino-Mora, H., Wagner, D., Windisch, T., and Wolf, S.

40. Transport properties in the TJ-II flexible heliac

Author

Castejon, F., Ascasibar, E., Alejaldre, C., Alonso, J., Almoguera, L., Baciero, A., Balbin, R., Emilio Blanco, Blaumoser, M., Botija, J., Branas, B., Cappa, A., Carrasco, R., Cepero, Jr, Chmyga, Aa, Doncel, J., Dreval, Nb, Eguilior, S., Eliseev, L., Estrada, T., Fedyanin, O., Fernandez, A., Fuentes, C., Garcia, A., Garcia-Cortes, I., Goncalves, B., Guasp, J., Herranz, J., Hidalgo, A., Hidalgo, C., Jimenez, A., Kirpitchev, I., Khrebtov, Sm, Komarov, Ad, Kozachok, As, Krupnik, L., Lapayese, F., Likin, K., Liniers, M., Lopez-Bruna, D., Lopez-Fraguas, A., Lopez-Razola, J., Lopez-Sanchez, A., La Luna, E., Malaquias, A., Martin, R., Medrano, M., Melnikov, Av, Mendez, P., Mccarthy, Kj, Medina, F., Milligen, B., Nedzelskiy, Is, Ochando, M., Pacios, L., Pastor, I., Pedrosa, Ma, La Pena, A., Petrov, A., Portas, A., Romero, J., Rodriguez-Rodrigo, L., Salas, A., Sanchez, E., Sanchez, J., Sarksian, K., Schchepetov, S., Skvortsova, N., Tabares, F., Tafalla, D., Tribaldos, V., Varandas, Cfa, Vega, J., Zurro, B., Falconer, Is, Dewar, Rl, and Khachan, J.

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