Zobrazeno 1 - 10
of 600
pro vyhledávání: '"Hillesheim, J."'
Autor:
Parisi, J. F., Parra, F. I., Roach, C. M., Hardman, M. R., Schekochihin, A. A., Abel, I. G., Aiba, N., Ball, J., Barnes, M., Chapman-Oplopoiou, B., Dickinson, D., Dorland, W., Giroud, C., Hatch, D. R., Hillesheim, J. C., Ruiz, J. Ruiz, Saarelma, S., St-Onge, D.
Nonlinear multiscale gyrokinetic simulations of a Joint European Torus edge pedestal are used to show that electron-temperature-gradient (ETG) turbulence has a rich three-dimensional structure, varying strongly according to the local magnetic-field c
Externí odkaz:
http://arxiv.org/abs/2203.00831
Autor:
Ruiz, J. Ruiz, Parra, F. I., Hall-Chen, V. H., Christen, N., Barnes, M., Candy, J., Garcia, J., Giroud, C., Guttenfelder, W., Hillesheim, J. C., Holland, C., Howard, N. T., Ren, Y., White, A. E., contributors., JET
A linear response, local model for the DBS amplitude applied to gyrokinetic simulations shows that radial correlation Doppler reflectometry measurements (RCDR, Schirmer et al., Plasma Phys. Control. Fusion 49 1019 (2007)) are not sensitive to the ave
Externí odkaz:
http://arxiv.org/abs/2201.06324
Autor:
Hatch, D. R., Kotschenreuther, M., Mahajan, S. M., Pueschel, M. J., Michoski, C., Merlo, G., Hassan, E., Field, A. R., Frassinetti, L., Giroud, C., Hillesheim, J. C., Maggi, C. F., von Thun, C. Perez, Roach, C. M., Saarelma, S., Jarema, D., Jenko, F., contributors, JET
We report on a detailed study of magnetic fluctuations in the JET pedestal, employing basic theoretical considerations, gyrokinetic simulations, and experimental fluctuation data, to establish the physical basis for their origin, role, and distinctiv
Externí odkaz:
http://arxiv.org/abs/2007.07332
Autor:
Kotschenreuther, M., Liu, X., Hatch, D. R., Mahajan, S., Zheng, L., Diallo, A., Groebner, R., TEAM, the DIII-D, Hillesheim, J. C., Maggi, C. F., Giroud, C., Koechl, F., Parail, V., Saarelma, S., Solano, E., Contributors, JET, Chankin, A.
Fusion performance in tokamaks hinges critically on the efficacy of the Edge Transport Barrier (ETB) at suppressing energy losses. The new concept of fingerprints is introduced to identify the instabilities that cause the transport losses in the ETB
Externí odkaz:
http://arxiv.org/abs/1903.09994
Autor:
Hatch, D. R., Kotschenreuther, M., Mahajan, S. M., Merlo, G., Field, A. R., Giroud, C., Hillesheim, J. C., Maggi, C. F., von Thun, C. Perez, Roach, C. M., Saarelma, S.
This paper compares the gyrokinetic instabilities and transport in two representative JET pedestals, one (pulse 78697) from the JET configuration with a carbon wall (C) and another (pulse 92432) from after the installation of JET's ITER-like Wall (IL
Externí odkaz:
http://arxiv.org/abs/1903.02627
Autor:
Kirk, A, Adamek, J, Akers, RJ, Allan, S, Appel, L, Lucini, F Arese, Barnes, M, Barrett, T, Ayed, N Ben, Boeglin, W, Bradley, J, Browning, P K, Brunner, J, Cahyna, P, Carr, M, Casson, F, Cecconello, M, Challis, C, Chapman, IT, Chapman, S, Conroy, S, Conway, N, Cooper, WA, Cox, M, Crocker, N, Crowley, B, Cardnell, S, Chorley, J, Cunningham, G, Danilov, A, Darrow, D, Dendy, R, Dickinson, D, Dorland, W, Dudson, B, Easy, L, Elmore, S, Evans, M, Farley, T, Fedorczak, N, Field, A, Fitzgerald, I, Fox, M, Freethy, S, Garzotti, L, Ghim, YC, Gi, K, Gorelenkova, M, Gracias, W, Gurl, C, Guttenfelder, W, Ham, C, Harting, D, Havlickova, E, Hawkes, N, Hender, T, Henderson, S, Hillesheim, J, Hnat, B, Horacek, J, Howard, J, Howell, D, Dunai, D, Fishpool, G, Gibson, K, Harrison, J, Highcock, E, Huang, B, Inomoto, M, Imazawa, R, Jones, O, Kadowaki, K, Kaye, S, Keeling, D, Kocan, M, Kogan, L, Komm, M, Lai, W, Leddy, J, Leggate, H, Imada, K, Klimek, I, Hollocombe, J, Lipschultz, B, Lisgo, S, Liu, YQ, Lloyd, B, Lomanowski, B, Lukin, V, Maddison, G, Madsen, J, Mailloux, J, Martin, R, McArdle, G, Lupelli, I, McClements, K, McMillan, B, Meakins, A, Meyer, H, Michael, C, Militello, F, Milnes, J, Motojima, G, Muir, D, Naylor, G, Nielsen, A, O'Brien, M, O'Mullane, M, Olsen, J, Omotani, J, Ono, Y, Pamela, S, Morris, AW, O'Gorman, T, Pangione, L, Parra, F, Patel, A, Peebles, W, Perez, R, Pinches, S, Piron, L, Price, M, Reinke, M, Ricci, P, Riva, F, Roach, C, Romanelli, M, Ryan, D, Saarelma, S, Saveliev, A, Scannell, R, Schekochihin, A, Sharapov, S, Sharples, R, Shevchenko, V, Shinohara, K, Silburn, S, Simpson, J, Stanier, A, Storrs, J, Summers, H, Takase, Y, Tamain, P, Tanabe, H, Tanaka, H, Tani, K, Taylor, D, Thomas, D, Thomas-Davies, N, Thornton, A, Turnyanskiy, M, Valovic, M, Vann, R, Van Wyk, F, Walkden, N, Watanabe, T, Wilson, H, Wischmeier, M, Yamada, T, Young, J, Zoletnik, S, Team, the MAST, Team, the EUROfusion MST1
New results from MAST are presented that focus on validating models in order to extrapolate to future devices. Measurements during start-up experiments have shown how the bulk ion temperature rise scales with the square of the reconnecting field. Dur
Externí odkaz:
http://arxiv.org/abs/1611.06047
Autor:
Hillesheim, J. C., Crocker, N. A., Peebles, W. A., Meyer, H., Meakins, A., Field, A. R., Dunai, D., Carr, M., Hawkes, N., Team, the MAST
The high-k ($7 \lesssim k_{\bot} \rho_i \lesssim 11$) wavenumber spectrum of density fluctuations has been measured for the first time in MAST [B. Lloyd et al, Nucl. Fusion 43, 1665 (2003)]. This was accomplished with the first implementation of Dopp
Externí odkaz:
http://arxiv.org/abs/1407.2115
Autor:
Hillesheim, J. C., Parra, F. I., Barnes, M., Crocker, N. A., Meyer, H., Peebles, W. A., Scannell, R., Thornton, A., Team, the MAST
Tokamak plasmas rotate even without external injection of momentum. A Doppler backscattering system installed at MAST has allowed this intrinsic rotation to be studied in Ohmic L-mode and H-mode plasmas, including the first observation of intrinsic r
Externí odkaz:
http://arxiv.org/abs/1407.2121
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Akademický článek
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