進行波型直接エネルギー変換器の計算機シミュレーション

概要

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Beam-circuit code is presented to simulate a Traveling-Wave Direct Energy Converter(TWDEC), which recovers the energy of fusion protons escaping from a FRC/D^3He fusion reactor. A transmission line loop for propagation of the electrostatic traveling wave is designed using lumped constant elements L, C, R. Electrostatic coupling between proton beam and circuits is treated by directly solving Poisson's equation. Circuit equations are transformed to temporal finite-difference equations, which are solved following the leap-flog scheme. Simulation results display desirable performance characteristics. Traveling wave with a fixed frequency is excited spontaneously without any external power supply. The wave is kept its equilibrium state under loading, and the wave is stable to variation of the load.
社団法人プラズマ・核融合学会の論文
1999-12-25