High performance advanced tokamak regimes in DIII-D for next-step experiments
| Autor: | P.A. Politzer, R. J. Groebner, Charles Kessel, E. J. Doyle, M. A. Makowski, E. J. Strait, K. H. Burrell, J. Hobirk, C. M. Greenfield, T. S. Taylor, R. Prater, T. W. Petrie, M. Murakami, M. R. Wade, S. L. Allen, Diii-D Team, R. J. Jayakumar, A. M. Garofalo, T. A. Casper, G. L. Jackson, A. W. Hyatt, J. R. Ferron, R. I. Pinsker, Cc Petty, I. A. Gorelov, J. Lohr, R. J. La Haye, T. C. Luce, J.C. DeBoo, W. P. West, J. E. Menard |
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| Rok vydání: | 2004 |
| Předmět: | |
| Zdroj: | Physics of Plasmas. 11:2616-2626 |
| ISSN: | 1089-7674 1070-664X |
| Popis: | Advanced Tokamak (AT) research in DIII-D [K. H. Burrell for the DIII-D Team, in Proceedings of the 19th Fusion Energy Conference, Lyon, France, 2002 (International Atomic Energy Agency, Vienna, 2002) published on CD-ROM] seeks to provide a scientific basis for steady-state high performance operation in future devices. These regimes require high toroidal beta to maximize fusion output and poloidal beta to maximize the self-driven bootstrap current. Achieving these conditions requires integrated, simultaneous control of the current and pressure profiles, and active magnetohydrodynamic stability control. The building blocks for AT operation are in hand. Resistive wall mode stabilization via plasma rotation and active feedback with nonaxisymmetric coils allows routine operation above the no-wall beta limit. Neoclassical tearing modes are stabilized by active feedback control of localized electron cyclotron current drive (ECCD). Plasma shaping and profile control provide further improvements. Under these condi... |
| Databáze: | OpenAIRE |
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