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Your search keyword '"Hirshman, S. P."' showing total 7 results
Start Over Author "Hirshman, S. P." Journal physics of fluids b: plasma physics
7 results on '"Hirshman, S. P."'

2. Fluctuation and modulation transport studies in the Advanced Toroidal Facility (ATF) torsatron*

Author

Wilgen, J. B., primary, Murakami, M., additional, Harris, J. H., additional, Bigelow, T. S., additional, Dory, R. A., additional, Carreras, B. A., additional, Aceto, S. C., additional, Batchelor, D. B., additional, Baylor, L. R., additional, Bell, G. L., additional, Bell, J. D., additional, Colchin, R. J., additional, Crume, E. C., additional, Dominguez, N., additional, Dunlap, J. L., additional, Dyer, G. R., additional, England, A. C., additional, Gandy, R. F., additional, Glowienka, J. C., additional, Goldfinger, R. C., additional, Goulding, R. H., additional, Hanson, G. R., additional, Hidalgo, C., additional, Hiroe, S., additional, Hirshman, S. P., additional, Horton, L. D., additional, Howe, H. C., additional, Hutchinson, D. P., additional, Isler, R. C., additional, Jernigan, T. C., additional, Ji, H., additional, Kaneko, H., additional, Kovrizhnykh, L. M., additional, Kwon, M., additional, Langley, R. A., additional, Lee, D. K., additional, Likin, K. M., additional, Lyon, J. F., additional, Ma, C. H., additional, Menon, M. M., additional, Mioduszewski, P. K., additional, Motojima, O., additional, Okada, H., additional, Paul, S., additional, Qualls, A. L., additional, Rasmussen, D. A., additional, Richards, R. K., additional, Rome, J. A., additional, Saltmarsh, M. J., additional, Sarksyan, K. A., additional, Sato, M., additional, Schwelberger, J. G., additional, Shaing, K. C., additional, Shats, M. G., additional, Shepard, T. D., additional, Simpkins, J. E., additional, Thomas, C. E., additional, Uckan, T., additional, Vander Sluis, K. L., additional, Wade, M. R., additional, Wing, W. R., additional, Yamada, H., additional, and Zielinski, J. J., additional

Published
1993
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3. High poloidal beta equilibria in the Tokamak Fusion Test Reactor limited by a natural inboard poloidal field null

Author

Sabbagh, S. A., primary, Gross, R. A., additional, Mauel, M. E., additional, Navratil, G. A., additional, Bell, M. G., additional, Bell, R., additional, Bitter, M., additional, Bretz, N. L., additional, Budny, R. V., additional, Bush, C. E., additional, Chance, M. S., additional, Efthimion, P. C., additional, Fredrickson, E. D., additional, Hatcher, R., additional, Hawryluk, R. J., additional, Hirshman, S. P., additional, Janos, A. C., additional, Jardin, S. C., additional, Jassby, D. L., additional, Manickam, J., additional, McCune, D. C., additional, McGuire, K. M., additional, Medley, S. S., additional, Mueller, D., additional, Nagayama, Y., additional, Owens, D. K., additional, Okabayashi, M., additional, Park, H. K., additional, Ramsey, A. T., additional, Stratton, B. C., additional, Synakowski, E. J., additional, Taylor, G., additional, Wieland, R. M., additional, Zarnstorff, M. C., additional, Kesner, J., additional, Marmar, E. S., additional, and Terry, J. L., additional

Published
1991
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4. Recent results from the ATF torsatron

Author

Murakami, M., primary, Aceto, S. C., additional, Anabitarte, E., additional, Anderson, D. T., additional, Anderson, F. S. B., additional, Batchelor, D. B., additional, Brañas, B., additional, Baylor, L. R., additional, Bell, G. L., additional, Bell, J. D., additional, Bigelow, T. S., additional, Carreras, B. A., additional, Colchin, R. J., additional, Crocker, N. A., additional, Crume, E. C., additional, Dominguez, N., additional, Dory, R. A., additional, Dunlap, J. L., additional, Dyer, G. R., additional, England, A. C., additional, Fowler, R. H., additional, Gandy, R. F., additional, Glowienka, J. C., additional, Goldfinger, R. C., additional, Goulding, R. H., additional, Hanson, G. R., additional, Harris, J. H., additional, Hidalgo, C., additional, Hillis, D. L., additional, Hiroe, S., additional, Hirshman, S. P., additional, Horton, L. D., additional, Howe, H. C., additional, Hutchinson, D. P., additional, Isler, R. C., additional, Jernigan, T. C., additional, Kaneko, H., additional, Kwon, M., additional, Langley, R. A., additional, Leboeuf, J. N., additional, Lee, D. K., additional, Lo, D. H. C., additional, Lynch, V. E., additional, Lyon, J. F., additional, Ma, C. H., additional, Menon, M. M., additional, Mioduszewski, P. K., additional, Morita, S., additional, Morris, R. N., additional, Neilson, G. H., additional, Ochando, M. A., additional, Okamura, S., additional, Paul, S., additional, Qualls, A. L., additional, Rasmussen, D. A., additional, Richards, R. K., additional, Ritz, Ch. P., additional, Rome, J. A., additional, Sanchez, J., additional, Schwelberger, J. G., additional, Shaing, K. C., additional, Shepard, T. D., additional, Simpkins, J. E., additional, Thomas, C. E., additional, Tolliver, J. S., additional, Uckan, T., additional, Vander Sluis, K. L., additional, Wade, M. R., additional, Wilgen, J. B., additional, Wing, W. R., additional, Yamada, H., additional, and Zielinski, J. J., additional

Published
1991
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5. Variational bounds for transport coefficients in three-dimensional toroidal plasmas.

Author

van Rij, W. I. and Hirshman, S. P.

Subjects
*PLASMA gases, *PHASE space
Abstract

A variational principle is developed for the linearized drift-kinetic, Fokker–Planck equation, from which both upper and lower bounds for neoclassical transport coefficients can be calculated for plasmas in three-dimensional toroidal confinement geometries. These bounds converge monotonically with the increasing phase-space dimensionality of the assumed trial function. This property may be used to identify those portions of phase space that make dominant contributions to the transport process. A computer code based on this principle has been developed that uses Fourier–Legendre expansions for the poloidal, toroidal, and pitch-angle dependences of the distribution function. Numerical calculations of transport coefficients for a plasma in the TJ-II flexible heliac [Nucl. Fusion 28, 157 (1988)] are used to demonstrate the application of this procedure. [ABSTRACT FROM AUTHOR]

Published
1989
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6. Bootstrap current and parallel viscosity in the low collisionality regime in toroidal plasmas.

Author

Shaing, K. C., Crume, E. C., Tolliver, J. S., Hirshman, S. P., and van Rij, W. I.

Subjects
BOOTSTRAP theory (Nuclear physics), PLASMA gases, PLASMA dynamics, MATHEMATICAL physics
Abstract

Bootstrap currents in the low collisionality regime in nonaxisymmetric toroidal plasmas are calculated analytically using a model drift kinetic equation. The results obtained using the analytic expression are compared with those calculated from the numerical solutions of the drift kinetic equation. Qualitatively and quantitively, the results are in reasonable agreement. [ABSTRACT FROM AUTHOR]

Published
1989
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7. Relaxation rate of poloidal rotation in the banana regime in tokamaks.

Author

Shaing, K. C. and Hirshman, S. P.

Subjects
*TOKAMAKS, *VISCOSITY, *ION-ion collisions
Abstract

The relaxation rate νp of poloidal rotation in the banana regime in tokamaks is calculated using a time-dependent parallel viscosity. It is found that νp is on the order of νii, the ion–ion collision frequency, with no geometric enhancement factor associated with toroidicity. [ABSTRACT FROM AUTHOR]

Published
1989
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