Nonlinear collisional monte carlo simulations for high-temperature SOL plasma

作者: M. Okamoto , W. X. Wang , N. Nakajima , S. Murakami , N. Ohyabu

DOI: 10.1007/S10582-998-0030-Z

关键词:

摘要: A nonlinear Monte Carlo collisional model is applied to investigate scrape-off layer (SOL) plasmas with high temperatures. In the proposed SOL modeling, steady state plasma, which satisfies particle and energy balances neutrality constraint, determined in terms of total heat fluxes across separatrix, edge plasma temperature, secondary electron emission coefficient, size. conductive flux into effectively modeled via random exchange source particles particles. It found that potential drop transmission factor are good agreement theoretical prediction. The cooling effect electrons temperature divertor operation investigated. such a collisionless present collision useful because distribution function deviates far from Maxwellian distribution. presence strong emission, sheath regime be significantly smaller than regime. This fact suggests high-temperature can possible.

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