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1. Effect of Locked MHD Modes on the Efficiency of Plasma Heating by the Neutral Beam Injection Method at the Globus-M2 Spherical Tokamak

Author

Petrov, Yu. V., Balachenkov, I. M., Bakharev, N. N., Varfolomeev, V. I., Voronin, A. V., Gusev, V. K., Zhiltsov, N. S., Kavin, A. A., Kiselev, E. O., Kurskiev, G. S., Minaev, V. B., Miroshnikov, I. V., Novokhatskii, A. N., Sakharnov, N. V., Skrekel, O. M., Solokha, V. V., Telnova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Khromov, N. A., Shchegolev, P. B., and Shulyatyev, K. D.

Published
2024
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2. Distinctive Features of Measuring Te and ne Spatial Distributions in the Globus-M2 Spherical Tokamak Using Method of Thomson Scattering of Laser Radiation

Author

Zhiltsov, N. S., Kurskiev, G. S., Solovey, V. A., Tkachenko, E. E., Tolstyakov, S. Yu., Balachenkov, I. M., Bakharev, N. N., Varfolomeev, V. I., Voronin, A. V., Gusev, V. K., Goryainov, V. Yu., D’yachenko, V. V., Ermakov, N. V., Kavin, A. A., Kiselev, E. O., Konovalov, A. N., Krikunov, S. V., Minaev, V. B., Mineev, A. B., Miroshnikov, I. V., Mukhin, E. E., Novokhatsky, A. N., Patrov, M. I., Petrov, Yu. V., Ponomarenko, A. M., Sakharov, N. V., Skrekel’, O. M., Solokha, V. V., Telnova, A. Yu., Tokarev, V. A., Tukhmeneva, E. A., Filippov, S. V., Khromov, N. A., Shchegolev, P. B., Shulyatiev, K. D., and Yashin, A. Yu.

Published
2024
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6. Diagnostic Complex of the Globus-M2 Spherical Tokamak

Author

Petrov, Yu. V., Bagryansky, P. A., Balachenkov, I. M., Bakharev, N. N., Brunkov, P. N., Varfolomeev, V. I., Voronin, A. V., Gusev, V. K., Goryainov, V. A., Dyachenko, V. V., Ermakov, N. V., Zhilin, E. G., Zhiltsov, N. S., Ivanenko, S. V., Il’yasova, M. V., Kavin, A. A., Kiselev, E. O., Konovalov, A. N., Krikunov, S. V., Kurskiev, G. S., Melnik, A. D., Minaev, V. B., Mineev, A. B., Miroshnikov, I. V., Mukhin, E. E., Novokhatsky, A. N., Petrov, A. V., Ponomarenko, A. M., Sakharov, N. V., Skrekel, O. M., Solomakhin, A. E., Solokha, V. V., Telnova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Khil’kevich, E. M., Khromov, N. A., Chernyshev, F. V., Shevelev, A. E., Shchegolev, P. B., Shulyat’ev, K. D., and Yashin, A. Yu.

Published
2023
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7. Synthetic Diagnostic of Spectra of Charge-Exchange Atoms for Analysis of Influence of the MHD Instability on Fast-Particle Confinement in Spherical Tokamaks Globus-M/M2

Author

Kiselev, E. O., Balachenkov, I. M., Bakharev, N. N., Varfolomeev, V. I., Voronin, A. V., Goryainov, V. Yu., Gusev, V. K., Zhiltsov, N. S., Zenkova, O. A., Kurskiev, G. S., Melnik, A. D., Minaev, V. B., Miroshnikov, I. V., Patrov, M. I., Petrov, Yu. V., Sakharov, N. V., Skrekel, O. M., Telnova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tukhmeneva, E. A., Khromov, N. A., Chernyshov, F. V., and Shchegolev, P. B.

Published
2023
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8. Free-Boundary Plasma Equilibrium Computation in Spherical Globus-M2 Tokamak by Means of the pyGSS Code

Author

Kiselev, E. O., Balachenkov, I. M., Bakharev, N. N., Varfolomeev, V. I., Gusev, V. K., Zhiltsov, N. S., Zenkova, O. A., Kavin, A. A., Kurskiev, G. S., Minaev, V. B., Miroshnikov, I. V., Patrov, M. I., Petrov, Yu. V., Sakharov, N. V., Skrekel, O. M., Solokha, V. V., Telnova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tukhmeneva, E. A., Khromov, N. A., and Shchegolev, P. B.

Published
2023
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11. First Experiments on Reduction the Heat Load on the Divertor Plates of the Globus-M2 Tokamak Using Nitrogen Seeding and Their Comparison with Simulation Results

Author

Khromov, N. A., Bakharev, N. N., Vekshina, E. O., Gusev, V. K., Dolgova, K. V., Zhiltsov, N. S., Kiselev, E. O., Kurskiev, G. S., Minaev, V. B., Miroshnikov, I. V., Molchanov, P. A., Novokhatsky, A. N., Petrov, Yu. V., Rozhansky, V. A., Sakharov, N. V., Telnova, A. Yu., Timokhin, V. M., Tkachenko, E. E., Tokarev, V. A., Tukhmeneva, E. A., and Shchegolev, P. B.

Published
2023
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12. Features of Plasma Disruption in the Globus-M2 Spherical Tokamak

Author

Sakharov, N. V., Kavin, A. A., Mineev, A. B., Bakharev, N. N., Bondarchuk, E. N., Gusev, V. K., Zhiltsov, N. S., Kiselev, E. O., Kurskiev, G. S., Minaev, V. B., Petrov, Yu. V., Rodin, I. Yu., Skrekel, O. M., Telnova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tukhmeneva, E. A., and Shchegolev, P. B.

Published
2023
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14. Classification of Edge Instabilities at Globus-M2 Tokamak

Author

Solokha, V. V., Kurskiev, G. S., Yashin, A. Yu., Balachenkov, I. M., Varfolomeev, V. I., Voronin, A. V., Gusev, V. K., Goryainov, V. Yu., Dyachenko, V. V., Zhiltsov, N. S., Kiselev, E. O., Minaev, V. B., Novokhatsky, A. N., Petrov, Yu. V., Ponomarenko, A. M., Sakharov, N. V., Telnova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Khromov, N. A., and Shchegolev, P. B.

Published
2023
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15. Hot Ion Mode in the Globus-M2 Spherical Tokamak

Author

Kurskiev, G. S., Sakharov, N. V., Gusev, V. K., Minaev, V. B., Miroshnikov, I. V., Petrov, Yu. V., Telnova, A. Yu., Bakharev, N. N., Kiselev, E. O., Zhiltsov, N. S., Shchegolev, P. B., Balachenkov, I. M., Varfolomeev, V. I., Voronin, A. V., Goryainov, V. Yu., Dyachenko, V. V., Zhilin, E. G., Iliasova, M. V., Kavin, A. A., Konovalov, A. N., Krikunov, S. V., Lobanov, K. M., Melnik, A. D., Mineev, A. B., Novokhatsky, A. N., Patrov, M. I., Petrov, A. V., Ponomarenko, A. M., Skrekel’, O. M., Solovei, V. A., Solokha, V. V., Tkachenko, E. E., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Khilkevitch, E. M., Khromov, N. A., Chernyshev, F. V., Shevelev, A. E., Shulyat’ev, K. D., and Yashin, A. Yu.

Published
2023
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17. Engineering-Physical Model (GLOBSYS) for the Next STEP of the Globus-M Spherical Tokamak Program: Verification of Some Subsystems on Achieved and Predictable Data from Installations NSTX, NSTX-U, MAST, MAST-U, and ST40

Author

Mineev, A. B., Bondarchuk, E. N., Kavin, A. A., Konin, A. Yu., Rodin, I. Yu., Tanchuk, V. N., Trofimov, V. A., Filatov, O. G., Bakharev, N. N., Zhilzov, N. S., Kurskiev, G. S., Kiselev, E. O., Minaev, V. B., Sakharov, N. V., Petrov, Yu. V., and Telnova, A. Yu.

Published
2022
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19. Parametric Studies of a Globus-3 Spherical Tokamak with Various Options of Electromagnetic Systems Based on Copper Alloys Using the GLOBSYS Code

Author

Mineev, A. B., Minaev, V. B., Sakharov, N. V., Bakharev, N. N., Bondarchuk, E. N., Voronova, A. A., Glushaev, A. M., Grigoriev, S. A., Gusev, V.K., Zhiltsov, N. S., Zapretilina, E. R., Kavin, A. A., Kiselev, E. O., Konin, A. Yu., Kudriavtseva, A. M., Kurskiev, G. S., Labusov, A. N., Petrov, Yu. V., Rodin, I. Yu., Tanchuk, V. N., Tel’nova, A. Yu., Trofimov, V. A., and Filatov, O. G.

Published
2022
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20. Spectroscopic Diagnostic of the Peripheral Plasma in the Globus-M2 Tokamak with the Injection of Neutral Helium

Author

Timokhin, V. M., Sergeev, V. Yu., Anufriev, E. A., Korobko, D. D., Sharov, I. A., Varfolomeev, V. I., Novokhatsky, A. N., Bakharev, N. N., Vekshina, E. O., Dolgova, K. V., Zhil’tsov, N. S., Kavin, A. A., Kapralov, V. G., Kiselev, E. O., Koval’, A. N., Kurskiev, G. S., Lobanov, K. M., Minaev, V. B., Miroshnikov, I. V., Mukhin, E. E., Petrov, Yu. V., Rozhansky, V. A., Sakharov, N. V., Skokov, V. G., Tel’nova, A. Yu., Tkachenko, E. E., Tokarev, V. A., Tolstyakov, S. Yu., Tyukhmeneva, E. A., and Khromov, N. A.

Published
2022
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22. First Heat and Particles Transport Study in the Globus-M2 Spherical Tokamak with Neutral Beam Injection at the Current Ramp-Up

Author

Telnova, A. Yu., Kurskiev, G. S., Balachenkov, I. M., Bakharev, N. N., Gusev, V. K., Zhil’tsov, N. S., Kavin, A. A., Kiselev, E. O., Minaev, V. B., Miroshnikov, I. V., Patrov, M. I., Petrov, Yu. V., Sakharov, N. V., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Khromov, N. A., Shulyat’ev, K. D., and Shchegolev, P. B.

Published
2021
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25. First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis

Author

Balachenkov, I. M., Petrov, Yu. V., Gusev, V. K., Bakharev, N. N., Bulanin, V. V., Varfolomeev, V. I., Zhil’tsov, N. S., Kiselev, E. O., Kurskiev, G. S., Minaev, V. B., Patrov, M. I., Petrov, A. V., Ponomarenko, A. M., Sakharov, N. V., Tel’nova, A. Yu., Tokarev, V. A., Khromov, N. A., Shchegolev, P. B., and Yashin, A. Yu.

Published
2020
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26. First Globus-M2 Results

Author

Bakharev, N. N., Balachenkov, I. M., Chernyshev, F. V., Chugunov, I. N., Dyachenko, V. V., Gusev, V. K., Iliasova, M. V., Khilkevitch, E. M., Khromov, N. A., Kiselev, E. O., Konovalov, A. N., Kurskiev, G. S., Minaev, V. B., Melnik, A. D., Miroshnikov, I. V., Novokhatsky, A. N., Patrov, M. I., Petrov, Yu. V., Sakharov, N. V., Shchegolev, P. B., Shevelev, A. E., Skrekel, O. M., Telnova, A. Yu., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Varfolomeev, V. I., and Voronin, A. V.

Published
2020
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27. Confinement, heating, and current drive study in Globus-M2 toward a future step of spherical tokamak program in Ioffe Institute.

Author

Kurskiev, G. S., Minaev, V. B., Sakharov, N. V., Gusev, V. K., Petrov, Yu. V., Miroshnikov, I. V., Bakharev, N. N., Balachenkov, I. M., Chernyshev, F. V., Dyachenko, V. V., Goryainov, V. Yu., Iliasova, M. V., Khilkevich, E. M., Khromov, N. A., Kiselev, E. O., Konovalov, A. N., Krikunov, S. V., Melnik, A. D., Novokhatskii, A. N., and Patrov, M. I.

Subjects
NEUTRON sources, TOKAMAKS, TOROIDAL plasma, NEUTRAL beams, FAST ions, PLASMA boundary layers, ENERGY research, MAGNETIC fields
Abstract

This paper highlights the most important results achieved at the spherical tokamak Globus-M2 with a high magnetic field. This paper also covers the most important topics of fusion research: thermal energy confinement in regimes with neutral beam injection, toroidal Alfvén eigenmode and correspondent fast ions confinement issues, L-H transition, turbulence suppression and edge-localized modes' behavior, experimental and theoretical study of regimes with nitrogen seeding that allow to significantly reduce thermal loads on the divertor plates, and experiments and simulations of lower hybrid current drive. The research results provide the basis for the next step toward a fusion neutron source—the development of the Globus-3 spherical tokamak. [ABSTRACT FROM AUTHOR]

Published
2024
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30. Distinctive Features of Measuring Te and ne Spatial Distributions in the Globus-M2 Spherical Tokamak Using Method of Thomson Scattering of Laser Radiation.

Author

Zhiltsov, N. S., Kurskiev, G. S., Solovey, V. A., Tkachenko, E. E., Tolstyakov, S. Yu., Balachenkov, I. M., Bakharev, N. N., Varfolomeev, V. I., Voronin, A. V., Gusev, V. K., Goryainov, V. Yu., D'yachenko, V. V., Ermakov, N. V., Kavin, A. A., Kiselev, E. O., Konovalov, A. N., Krikunov, S. V., Minaev, V. B., Mineev, A. B., and Miroshnikov, I. V.

Subjects
THOMSON scattering, LASER beams, TOKAMAKS, MAGNETIC reconnection, TEMPERATURE distribution, ELECTRON temperature
Abstract

The results of measuring the electron temperature and density spatial distributions in plasma of the Globus-M2 tokamak using the Thomson scattering diagnostics are presented. The diagnostics provides measurements throughout the entire tokamak discharge, starting from time of gas breakdown. The Thomson scattering data were analyzed in order to determine the positions of the last closed flux surface, the plasma magnetic axis, and the radius of inversion during the saw-tooth oscillations. The results of measurements performed during the internal reconnection of magnetic field lines are presents, as well as the dynamics of spatial distributions of electron temperature, density and pressure during the plasma transition to the H-mode. The results of measuring the electron temperature distribution in the scrape-off layer using the Thomson scattering diagnostics are also presented for distances up to 4 cm outside the last closed flux surface. [ABSTRACT FROM AUTHOR]

Published
2024
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31. TAE-induced fast ion losses and transport at the Globus-M/M2 spherical tokamaks

Author

Bakharev, N. N., primary, Balachenkov, I. M., additional, Chernyshev, F. V., additional, Gusev, V. K., additional, Iliasova, M. V., additional, Khilkevitch, E. M., additional, Khromov, N. A., additional, Kiselev, E. O., additional, Kornev, V. A., additional, Kurskiev, G. S., additional, Melnik, A. D., additional, Minaev, V. B., additional, Mironov, M. I., additional, Miroshnikov, I. V., additional, Petrov, Yu. V., additional, Sakharov, N. V., additional, Shchegolev, P. B., additional, Shevelev, A. E., additional, Skrekel, O. M., additional, Telnova, A. Yu., additional, Tokarev, V. A., additional, Tukhmeneva, E. A., additional, Varfolomeev, V. I., additional, Yashin, A. Yu., additional, and Zabrodsky, V. V., additional

Published
2023
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33. Measurement of the fast ion distribution using active NPA diagnostics at the Globus-M2 spherical tokamak

Author

Bakharev, N N, primary, Balachenkov, I M, additional, Chernyshev, F V, additional, Gusev, V K, additional, Kiselev, E O, additional, Kurskiev, G S, additional, Melnik, A D, additional, Minaev, V B, additional, Mironov, M I, additional, Nesenevich, V G, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Shchegolev, P B, additional, Skrekel, O M, additional, Telnova, A Yu, additional, Tukhmeneva, E A, additional, and Varfolomeev, V I, additional

Published
2021
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34. Influence of increased magnetic field on Alfvén eigenmodes on upgraded spherical tokamak Globus-M2

Author

Balachenkov, I M, primary, Petrov, Yu V, additional, Gusev, V K, additional, Bakharev, N N, additional, Bulanin, V V, additional, Varfolomeev, V I, additional, Dyachenko, V V, additional, Zhiltsov, N S, additional, Kiselev, E O, additional, Konovalov, A N, additional, Krikunov, S V, additional, Kurskiev, G S, additional, Minaev, V B, additional, Patrov, M I, additional, Petrov, A V, additional, Ponomarenko, A M, additional, Sakharov, N V, additional, Telnova, A Yu, additional, Shchegolev, P B, additional, and Yashin, A Yu, additional

Published
2020
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35. Ion temperature measurements in a tokamak using active neutral particle analyzers diagnostics

Author

Bakharev, N N, primary, Chernyshev, F V, additional, Gusev, V K, additional, Kiselev, E O, additional, Kurskiev, G S, additional, Larionova, M M, additional, Melnik, A D, additional, Minaev, V B, additional, Mironov, M I, additional, Miroshnikov, I V, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Shchegolev, P B, additional, Skrekel, O M, additional, Telnova, A Yu, additional, Tukhmeneva, E A, additional, and Varfolomeev, V I, additional

Published
2020
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36. Ion heat transport study in the Globus-M spherical tokamak

Author

Telnova, A Yu, primary, Kurskiev, G S, additional, Miroshnikov, I V, additional, Sakharov, N V, additional, Kiselev, E O, additional, Larionova, M M, additional, Bakharev, N N, additional, Larionova, D M, additional, Gusev, V K, additional, Khromov, N A, additional, Minaev, V B, additional, Patrov, M I, additional, Petrov, Yu V, additional, Sladkomedova, A D, additional, Shchegolev, P B, additional, Tokarev, V A, additional, Tolstyakov, S Yu, additional, and Tukhmeneva, E A, additional

Published
2020
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38. Effect of collisionality on the microinstabilities in the Globus-M spherical tokamak

Author

Kiselev, E O, primary, Bakharev, N N, additional, Bulanin, V V, additional, Gusev, V K, additional, Khromov, N A, additional, Kurskiev, G S, additional, Minaev, V B, additional, Miroshnikov, I V, additional, Patrov, M I, additional, Petrov, A V, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Schegolev, P B, additional, Telnova, A Yu, additional, Tokarev, V A, additional, Tolstyakov, S Yu, additional, Tukhmeneva, E A, additional, and Yashin, A Yu, additional

Published
2019
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39. Calculations of anisotropic distribution function of fast particles in plasma of the Globus-M spherical tokamak using the NUBEAM code

Author

Kiselev, E O, primary, Bakharev, N N, additional, Goncharov, P R, additional, Gusev, V K, additional, Khromov, N A, additional, Kurskiev, G S, additional, Melnik, A D, additional, Minaev, V B, additional, Miroshnikov, I V, additional, Patrov, M I, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Schegolev, P B, additional, Telnova, A Yu, additional, Tokarev, V A, additional, Tolstyakov, S Yu, additional, and Tukhmeneva, E A, additional

Published
2019
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40. Fast scanning probe for the Globus-M2 tokamak

Author

Tokarev, V A, primary, Gusev, V K, additional, Khromov, N A, additional, Patrov, M I, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Minaev, V B, additional, Varfolomeev, V I, additional, Telnova, A Yu, additional, Shegolev, P B, additional, Bakharev, N N, additional, Kurskiev, G S, additional, and Kiselev, E O, additional

Published
2019
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41. Plasma effective charge diagnostics at the Globus-M2 tokamak

Author

Tukhmeneva, E A, primary, Tolstyakov, S Yu, additional, Kurskiev, G S, additional, Gusev, V K, additional, Minaev, V B, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Telnova, A Yu, additional, Bakharev, N N, additional, Shegolev, P B, additional, and Kiselev, E O, additional

Published
2019
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42. Influence of the safety factor profile on the particle and heat transport in the Globus-M spherical tokamak

Author

YU TELNOVA, A, primary, KURSKIEV, G S, additional, KISELEV, E O, additional, BAKHAREV, N N, additional, GUSEV, V K, additional, KHROMOV, N A, additional, YU MEDVEDEV, S, additional, MIINAEV, V B, additional, MIROSHNIKOV, I V, additional, PATROV, M I, additional, PETROV, Yu V, additional, SAKHAROV, N V, additional, SLADKOMEDOVA, A D, additional, SHCHEGOLEV, P B, additional, SOLOKHA, V V, additional, TOKAREV, V A, additional, YU TOLSTYAKOV, S, additional, and TUKHMENEVA, E A, additional

Published
2019
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44. First Results of the Ion Heat Transport Studies in the Globus-M2 Spherical Tokamak.

Author

Tel'nova, A. Yu., Miroshnikov, I. V., Mitrankova, M. M., Bakharev, N. N., Gusev, V. K., Zhil'tsov, N. S., Kiselev, E. O., Kurskiev, G. S., Minaev, V. B., Petrov, Yu. V., Sakharov, N. V., Shchegolev, P. B., and Tukhmeneva, E. A.

Subjects
TOKAMAKS, CHARGE exchange, ION temperature, NEUTRAL beams
Abstract

The paper presents the first ion temperature profile measurements results in the new spherical tokamak Globus-M2, which were obtained in discharges with neutral beam injection using the Charge eXchange Recombination Spectroscopy (CXRS) and the Neutral Particle Analyzer (NPA). Ion heat transport modeling using ASTRA code was carried out based on the obtained experimental ion temperature. The results of the modelling indicate the predominantly neoclassical ion heat transport. [ABSTRACT FROM AUTHOR]

Published
2021
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45. Globus-M2 experiments in scope of fusion-fission reactor development

Author

Bakharev, N. N., primary, Chernyshev, F. V., additional, Dyachenko, V. V., additional, Gusev, V. K., additional, Khromov, N. A., additional, Kiselev, E. O., additional, Konovalov, A. N., additional, Kurskiev, G. S., additional, Minaev, V. B., additional, Melnik, A. D., additional, Miroshnikov, I. V., additional, Novokhatsky, A. N., additional, Patrov, M. I., additional, Petrov, Yu.V., additional, Sakharov, N. V., additional, Shchegolev, P. B., additional, Telnova, A. Yu., additional, Tokarev, V. A., additional, Tolstyakov, S. Yu., additional, Tukhmeneva, E. A., additional, Varfolomeev, V. I., additional, and Voronin, A. V., additional

Published
2019
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46. Simulations of peeling-ballooning modes in the Globus-M tokamak

Author

Solokha, V V, primary, Kurskiev, G S, additional, Bulanin, V V, additional, Petrov, A V, additional, Yu Tolstyakov, S, additional, Mukhin, E E, additional, Gusev, V K, additional, Petrov, Yu V, additional, Sakharov, N V, additional, Tokarev, V A, additional, Khromov, N A, additional, Patrov, M I, additional, Bakharev, N N, additional, Sladkomedova, A D, additional, Yu Telnova, A, additional, Shchegolev, P B, additional, Kiselev, E O, additional, and Yu Yashin, A, additional

Published
2018
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47. The Globus-M2 spherical tokamak: the first results

Author

Minaev, V B, primary, Gusev, V K, additional, Sakharov, N V, additional, Petrov, Yu V, additional, Varfolomeev, V I, additional, Bakharev, N N, additional, Belyakov, V A, additional, Brunkov, P N, additional, Bulanin, V V, additional, Chernyshev, F V, additional, Davydenko, V I, additional, Dyachenko, V V, additional, Kavin, A A, additional, Khitrov, S A, additional, Khromov, N A, additional, Kiselev, E O, additional, Konovalov, A N, additional, Kornev, V A, additional, Kurskiev, G S, additional, Melnik, A D, additional, Mineev, A B, additional, Mironov, M I, additional, Miroshnikov, I V, additional, Novokhatskii, A N, additional, Yu Oshuev, K, additional, Patrov, M I, additional, Petrov, A V, additional, Rozhansky, V A, additional, Saveliev, A N, additional, Yu Senichenkov, I, additional, Shchegolev, P B, additional, Shikhovtsev, I V, additional, Sladkomedova, A D, additional, Solokha, V V, additional, Sorokina, D S, additional, Yu Telnova, A, additional, Tokarev, V A, additional, Yu Tolstyakov, S, additional, Yu Yashin, A, additional, and Zhilin, E G, additional

Published
2018
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49. Scaling of energy confinement time in the Globus-M spherical tokamak

Author

Kurskiev, G S, primary, Gusev, V K, additional, Sakharov, N V, additional, Bakharev, N N, additional, Iblyaminova, A D, additional, Shchegolev, P B, additional, Avdeeva, G F, additional, Kiselev, E O, additional, Minaev, V B, additional, Mukhin, E E, additional, Patrov, M I, additional, Petrov, Yu V, additional, Telnova, A Yu, additional, and Tolstyakov, S Yu, additional

Published
2017
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50. Heat and Particle Transport in the Initial Phase of Ohmic Discharges in the Globus-M Spherical Tokamak.

Author

Tel'nova, A. Yu., Kurskiev, G. S., Bakharev, N. N., Gusev, V. K., Kiselev, E. O., Minaev, V. B., Miroshnikov, I. V., Patrov, M. I., Petrov, Yu. V., Sakharov, N. V., Tokarev, V. A., Tolstyakov, S. Yu., Tukhmeneva, E. A., Khromov, N. A., and Shchegolev, P. B.

Subjects
DEUTERIUM plasma, ELECTRON temperature, ELECTRON density, HYDROGEN plasmas, SAFETY factor in engineering, PLASMA beam injection heating, DEUTERIUM
Abstract

The results of experiments and simulations of the transport of heat and particles in the Globus-M spherical tokamak are presented. Investigations were carried out in the ohmic mode in hydrogen and deuterium plasma. It is shown that in the phase of current growth under the same initial conditions, as long as the condition is met at which the minimum of the safety factor exceeds unity, two scenarios of discharge development are possible: with an electron temperature dive or with an electron density peak. After the safety factor reaches the value of 1, the differences are no longer observed. Modeling of transport processes using the ASTRA code showed that the dive of the electron temperature and density is a consequence of the decrease in the transport of heat and particles in the plasma core (i.e., the presence of internal transport barriers). [ABSTRACT FROM AUTHOR]

Published
2019
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