Nuclear Fushion | |
Radiative pulsed L-mode operation in ARC-class reactors | |
article | |
S.J. Frank1  C.J. Perks1  A.O. Nelson2  T. Qian3  S. Jin3  A. Cavallaro1  A. Rutkowski3  A. Reiman3  J.P. Freidberg1  P. Rodriguez-Fernandez1  D. Whyte1  | |
[1] Plasma Science and Fusion Center, Massachusetts Institute of Technology;Department of Applied Physics and Applied Mathematics, Columbia University;Princeton Plasma Physics Laboratory, Princeton | |
关键词: ARC; tokamak; pilot plant; negative triangularity; L-mode; high-field; reactordesign; | |
DOI : 10.1088/1741-4326/ac95ac | |
来源: Institute of Physics Publishing Ltd. | |
【 摘 要 】
A new ARC-class, highly-radiative, pulsed, L-mode, burning plasma scenario is developed and evaluated as a candidate for future tokamak reactors. Pulsed inductive operation alleviates the stringent current drive requirements of steady-state reactors, and operation in L-mode affords ELM-free access to sim 90%core radiation fractions, significantly reducing the divertor power handling requirements. In this configuration the fusion power density can be maximized despite L-mode confinement by utilizing high-field to increase plasma densities and current. This allows us to obtain high gain in robust scenarios in compact devices withP fus > 1000 MW despite low confinement. We demonstrate the feasibility of such scenarios here; first by showing that they avoid violating 0D tokamak limits, and then by performing self-consistent integrated simulations of flattop operation including neoclassical and turbulent transport, magnetic equilibrium, and radiofrequency current drive models. Finally we examine the potential effect of introducing negative triangularity with a 0D model. Our results show high-field radiative pulsed L-mode scenarios are a promising alternative to the typical steady state advanced tokamak scenarios which have dominated tokamak reactor development.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO202307170000483ZK.pdf | 2076KB | download |