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Analysis of Neutral Transport in Fully 3-Dimensional Geometry in the GAMMA 10 Tandem Mirror

Y. Higashizono et al. (19P57)

Fusion Science and Technology / Volume 51 / Number 2T / February 2007 / Pages 367-369

Technical Paper / Open Magnetic Systems for Plasma Confinement /

Fully 3-dimensional model for Monte-Carlo simulation code (DEGAS) was newly applied in the GAMMA 10 central cell. Based on the measurement and DEGAS simulation, neutral transport during the gas puffing and neutral beam injection (NBI) in the central cell is investigated. The predicted H profile using DEGAS well explained the experimental result. It is clarified that the localized neutral source has much influence on the behavior of neutral particles in the plasma. In this paper, detailed discussion is shown from the view point of both the experiment and the simulation.

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