Search Results - "Rewoldt, G."

Comparison of initial value and eigenvalue codes for kinetic toroidal plasma instabilities by Kotschenreuther, Mike, Rewoldt, G., Tang, W.M.

“…In plasma physics, linear instability calculations can be implemented either as initial value calculations or as eigenvalue calculations. Here, comparisons…”
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Scaling of Electron and Ion Transport in the High-Power Spherical Torus NSTX by Kaye, S. M., Bell, R. E., Gates, D., LeBlanc, B. P., Levinton, F. M., Menard, J. E., Mueller, D., Rewoldt, G., Sabbagh, S. A., Wang, W., Yuh, H.

“…Dedicated H-mode parameter scans in the high-power National Spherical Torus Experiment have been used to establish the confinement scaling and underlying…”
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Momentum-Transport Studies in High E × B Shear Plasmas in the National Spherical Torus Experiment by Solomon, W. M., Kaye, S. M., Bell, R. E., LeBlanc, B. P., Menard, J. E., Rewoldt, G., Wang, W., Levinton, F. M., Yuh, H., Sabbagh, S. A.

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Improved plasma performance in tokamaks with negative magnetic shear by Kessel, C, Manickam, J, Rewoldt, G, Tang, WM

“…A tokamak plasma configuration is reported that simultaneously improves on the maximum stable plasma pressure, the bootstrap current contribution, and kinetic…”
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Measurement of turbulence decorrelation during transport barrier evolution in a high-temperature fusion plasma by NAZIKIAN, R, SHINOHARA, K, SHIRAI, H, TANG, W, KRAMER, G. J, VALEO, E, HILL, K, HAHM, T. S, REWOLDT, G, IDE, S, KOIDE, Y, OYAMA, Y

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Turbulent Fluctuations in TFTR Configurations with Reversed Magnetic Shear by Mazzucato, E, Batha, SH, Beer, M, Bell, M, Bell, RE, Budny, RV, Bush, C, Hahm, TS, Hammett, GW, Levinton, FM, Nazikian, R, Park, H, Rewoldt, G, Schmidt, GL, Synakowski, EJ, Tang, WM, Taylor, G, Zarnstorff, MC

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Roles of Electric Field Shear and Shafranov Shift in Sustaining High Confinement in Enhanced Reversed Shear Plasmas on the TFTR Tokamak by Synakowski, E. J., Batha, S. H., Beer, M. A., Bell, M. G., Bell, R. E., Budny, R. V., Bush, C. E., Efthimion, P. C., Hammett, G. W., Hahm, T. S., LeBlanc, B., Levinton, F., Mazzucato, E., Park, H., Ramsey, A. T., Rewoldt, G., Scott, S. D., Schmidt, G., Tang, W. M., Taylor, G., Zarnstorff, M. C.

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Dynamics of Transition to Enhanced Confinement in Reversed Magnetic Shear Discharges by Diamond, P. H., Lebedev, V. B., Newman, D. E., Carreras, B. A., Hahm, T. S., Tang, W. M., Rewoldt, G., Avinash, K.

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Plasma wall interaction and tritium retention in TFTR by Skinner, C.H., Amarescu, E., Ascione, G., Blanchard, W., Barnes, C.W., Batha, S.H., Beer, M., Bell, M.G., Bell, R., Bitter, M., Bretz, N.L., Budny, R., Bush, C.E., Camp, R., Casey, M., Collins, J., Cropper, M., Chang, Z., Darrow, D.S., Duong, H.H., Durst, R., Efthimion, P.C., Ernst, D., Fisch, N., Fonck, R.J., Fredrickson, E., Fu, G.Y., Furth, H.P., Gibson, M., Gilbert, J., Grisham, L.R., Hammett, G., Hawryluk, R.J., Herrmann, H.W., Hill, K.W., Janos, A., Jassby, D.L., Jobes, F.C., Johnson, D.W., Johnson, L.C., Kamperschroer, J., Kalish, M., Kugel, H., Langford, J., Langish, S., Lamarche, P.H., Levinton, F.M., Machuzak, J., Majeski, R., Manikam, J., Mansfield, D.K., Mazzucato, E., McGuire, K.M., Mika, R., McKee, G., Meade, D.M., Medley, S.S., Mikkelsen, D.R., Mynick, H.E., Mueller, D., Nagy, A., Nazikian, R., Ono, M., Owens, D.K., Park, H., Paul, S.F., Pearson, G., Petrov, M., Phillips, C.K., Raftopoulos, S., Ramsey, A., Raucci, R., Redi, M.H., Rewoldt, G., Rogers, J., Roquemore, A.L., Ruskov, E., Sabbagh, S.A., Schilling, G., Schivell, J.F., Schmidt, G.L., Scott, S.D., Sesnic, S., Strachan, J.D., Stevenson, T., Stotler, D.P., Takahashi, H., Tang, W., Taylor, G., Tighe, W., Timberlake, J.R., von Halle, A., Walters, R.T., White, R.B., Wilson, J.R., Winston, J., Wong, K.L., Young, K.M., Zarnstorff, M.C., Zweben, S.J.

“…The Tokamak Fusion Test Reactor (TFTR) has been operating safely and routinely with deuterium-tritium fuel for more than two years. In this time, TFTR has…”
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Linear comparison of gyrokinetic codes with trapped electrons by Rewoldt, G., Lin, Z., Idomura, Y.

“…Three codes that solve the gyrokinetic equation in toroidal geometry are compared in the linear limit for the growth rates and real frequencies of the ion…”
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Symbolic vector analysis in plasma physics by Qin, H., Tang, W.M., Rewoldt, G.

“…Many problems in plasma physics involve substantial amounts of analytical vector calculation. The complexity usually originates from both the vector operations…”
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First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments by Chang, Z, Budny, RV, Chen, L, Darrow, D, Fredrickson, ED, Janos, A, Mansfield, D, Mazzucato, E, McGuire, KM, Nazikian, R, Rewoldt, G, Strachan, JD, Tang, WM, Taylor, G, White, RB, Zweben, S

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Gyrokinetic Studies on Turbulence-Driven and Neoclassical Nondiffusive Toroidal-Momentum Transport and the Effect of Residual Fluctuations in Strong E × B Shear by Wang, W. X., Hahm, T. S., Ethier, S., Rewoldt, G., Lee, W. W., Tang, W. M., Kaye, S. M., Diamond, P. H.

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Tritium particle transport experiments on TFTR during D-T operation by Efthimion, PC, Johnson, LC, Strachan, JD, Synakowski, EJ, Zarnstorff, M, Adler, H, Barnes, C, Budny, RV, Jobes, FC, Louglin, M, McCune, D, Mueller, D, Ramsey, AT, Rewoldt, G, Roquemore, AL, Tang, WM, Taylor, G

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Observation of temperature-dependent transport in the TFTR tokamak by EFTHIMION, P. C, MANSFIELD, D. K, REWOLDT, G, SCOTT, S, TANG, W. M, TAYLOR, G, WALTZ, R. E, WIELAND, R. M, ZARNSTORFF, M. C, STRATTON, B. C, SYNAKOWSKI, E, BHATTACHARJEE, A, BIGLARI, H, DIAMOND, P. H, GOLDSTON, R. J, HEGNA, C. C, MCCUNE, D

“…Local particle and heat transport coefficients have been measured in a temperature scan of neutral-beam--heated plasmas with {ital n}, {ital I}{sub {ital p}},…”
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Gyrokinetic Studies on Turbulence-Driven and Neoclassical Nondiffusive Toroidal-Momentum Transport and the Effect of Residual Fluctuations in Strong ExB Shear by Wang, W. X., Hahm, T. S., Ethier, S., Rewoldt, G., Lee, W. W., Tang, W. M., Kaye, S. M., Diamond, P. H., University of California, San Diego, La Jolla, California 92093

“…A significant inward flux of toroidal momentum is found in global gyrokinetic simulations of ion temperature gradient turbulence, leading to core plasma…”
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Gyrokinetic studies on turbulence-driven and neoclassical nondiffusive toroidal-momentum transport and the effect of residual fluctuations in strong E x B shear by Wang, W X, Hahm, T S, Ethier, S, Rewoldt, G, Lee, W W, Tang, W M, Kaye, S M, Diamond, P H

“…A significant inward flux of toroidal momentum is found in global gyrokinetic simulations of ion temperature gradient turbulence, leading to core plasma…”
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New Trapped-Electron Instability by Coppi, Bruno, Rewoldt, Gregory

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Momentum-transport studies in high E x B shear plasmas in the National Spherical Torus Experiment by Solomon, W M, Kaye, S M, Bell, R E, Leblanc, B P, Menard, J E, Rewoldt, G, Wang, W, Levinton, F M, Yuh, H, Sabbagh, S A

“…Experiments have been conducted at the National Sperical Torus Experiment (NSTX) to study both steady state and perturbative momentum transport. These studies…”
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Measurement of turbulence decorrelation during transport barrier evolution in a high-temperature fusion plasma by Nazikian, R, Shinohara, K, Kramer, G J, Valeo, E, Hill, K, Hahm, T S, Rewoldt, G, Ide, S, Koide, Y, Oyama, Y, Shirai, H, Tang, W

“…A low power polychromatic beam of microwaves is used to diagnose the behavior of turbulent fluctuations in the core of the JT-60U tokamak during the evolution…”
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