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pro vyhledávání: '"NAZIKIAN, R"'
Self-consistent simulations of neoclassical and electrostatic turbulent transport in a DIII-D H-mode edge plasma under resonant magnetic perturbations (RMPs) have been performed using the global total-f gyrokinetic particle-in-cell code XGC, in order
Externí odkaz:
http://arxiv.org/abs/2003.07130
Publikováno v:
Phys. Rev. Lett. 125, 045001 (2020)
Edge-Localized-Mode (ELM) suppression by resonant magnetic perturbations (RMPs) generally occurs over very narrow ranges of the plasma current (or magnetic safety factor q95) in the DIII-D tokamak. However, wide q95 ranges of ELM suppression are need
Externí odkaz:
http://arxiv.org/abs/1912.06555
Publikováno v:
Physics of Plasmas, 2019
The density dependence of edge-localized-mode (ELM) suppression and density pump-out (density reduction) by n = 2 resonant magnetic perturbations (RMPs) is consistent with the effects of narrow well-separated magnetic islands at the top and bottom of
Externí odkaz:
http://arxiv.org/abs/1910.13959
Autor:
Suttrop, W., Kirk, A., Bobkov, V., Cavedon, M., Dunne, M., McDermott, R. M., Meyer, H., Nazikian, R., Paz-Soldan, C., Ryan, D. A., Viezzer, E., Willensdorfer, M.
Access conditions for full suppression of Edge Localised Modes (ELMs) by Magnetic Perturbations (MP) in low density high confinement mode (H-mode) plasmas are studied in the ASDEX Upgrade tokamak. The main empirical requirements for full ELM suppress
Externí odkaz:
http://arxiv.org/abs/1804.00933
Autor:
Churchill, R. M., Canik, J. M., Chang, C. S., Hager, R., Leonard, A. W., Maingi, R., Nazikian, R., Stotler, D. P.
Simulations using the fully kinetic neoclassical code XGCa were undertaken to explore the impact of kinetic effects on scrape-off layer (SOL) physics in DIII-D H-mode plasmas. XGCa is a total-f, gyrokinetic code which self-consistently calculates the
Externí odkaz:
http://arxiv.org/abs/1701.05485
Akademický článek
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Autor:
Xing, Z.A. *, Eldon, D., Nelson, A.O., Roelofs, M.A., Eggert, W.J., Izacard, O., Glasser, A.S., Logan, N.C., Meneghini, O., Smith, S.P., Nazikian, R., Kolemen, E. *
Publikováno v:
In Fusion Engineering and Design February 2021 163
Autor:
Sharapov, S E, Alper, B, Berk, H L, Borba, D N, Breizman, B N, Challis, C D, Classen, I G J, Edlund, E M, Eriksson, J, Fasoli, A, Fredrickson, E D, Fu, G Y, Garcia-Munoz, M, Gassner, T, Ghantous, K, Goloborodko, V, Gorelenkov, N N, Gryaznevich, M P, Hacquin, S, Heidbrink, W W, Hellesen, C, Kiptily, V G, Kramer, G J, Lauber, P, Lilley, M K, Lisak, M, Nabais, F, Nazikian, R, Nyqvist, R, Osakabe, M, von Thun, C Perez, Pinches, S D, Podesta, M, Porkolab, M, Shinohara, K, Schoepf, K, Todo, Y, Toi, K, Van Zeeland, M A, Voitsekhovich, I, White, R B, Yavorskij, V, TG, ITPA EP, Contributors, JET-EFDA
Publikováno v:
Nuclear Fusion, Vol.53, No.10, October 2013, p.104022
Remarkable progress has been made in diagnosing energetic particle instabilities on present-day machines and in establishing a theoretical framework for describing them. This overview describes the much improved diagnostics of Alfven instabilities an
Externí odkaz:
http://arxiv.org/abs/1310.8445
Autor:
Nagy, Alexander, Bortolon, A., Gates, D., Gilson, E., Killer, C., Klinger, T., Lunsford, R., Maingi, R., Mansfield, D., Mauzey, D., Nazikian, R., Roquemore, L., Wolfe, E.
Publikováno v:
In Fusion Engineering and Design September 2019 146 Part B:1403-1407
Autor:
Blackwell, B. D., Pretty, D. G., Howard, J., Nazikian, R., Kumar, S. T. A., Oliver, D., Byrne, D., Harris, J. H., Nuhrenberg, C. A., McGann, M., Dewar, R. L., Detering, F., Hegland, M., Potter, G. I., Read, J. W.
The flexible Heliac coil set of helical axis stellarator H-1 (R=1m, ~0.15-0.2 m) permits access to a wide range of magnetic configurations. Surprisingly, in the absence of any obvious population of energetic particles, Alfven modes normally associ
Externí odkaz:
http://arxiv.org/abs/0902.4728