Plasma Characteristics and Gas Transport in the Single-Null Poloidal Divertor of the International Tokamak Reactor
作者： M. F. A. Harrison , P. J. Harbour , E. S. Hotston
关键词: Tokamak 、 Atomic physics 、 Charged particle 、 Plasma channel 、 Plasma 、 Neutral particle 、 Divertor 、 Debye sheath 、 Materials science 、 Plasma diagnostics
摘要: Plasma behavior in the scrapeoff and divertor regions of single-null configuration International Tokamak Reactor (INTOR) has been predicted by means a one-dimensional model transport through plasma sheath at target. Electron capture during ion/surface collisions is principal mechanism for production neutral gas, which recycles to target within chamber. This recycling analyzed using particle channel simple geometry uniform density that overlays target; exhaust those atoms can escape enter pumped region chamber assessed gas embraces characteristics both pumping ducts. Estimates are made power dissipated atomic line radiation fast walls chamber; sputtering assessed. Data evaluated specific case when INTOR operated under ''standard conditions'', i.e., charged particles 75 MW throats
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