Simulation Study of Relaxation Process in the Finite β Reversed-Field Pinch

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概要

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• By means of 3D magnetohydrodynamic simulations, the relttxation process in thefinite p reversed-field pinch (RFP) is investigated. It is confirmed that the nonlinearreconnection process is the dominant mechanism of the RFP relaxation even in thesystem of finite 73. The nonlinear reconnection rate is almost halved compared withthat in the zero p case. The relaxed state of finite p is dynamically achieved. This statehas a flat pressure profile and is well approximated by the Bessel-function model inthe central region. The simulation result agrees with the partially relaxed state model.The /7-limit is estimated based on the Suydam criterion, and consequently, it is foundthat the stable area on the F-0 diagram is narrowed as the heat loss decreases.

• 社団法人日本物理学会の論文
• 1987-03-15

著者

• Kusano Kanya

  Institute For Fusion Theory Hiroshima University

関連論文

• Simulation Study of Relaxation Process in the Finite β Reversed-Field Pinch

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