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A Particle-Fluid Hybrid Modeling of Neutral Gas Flow Generation from a CT Neutralization Fuel-Injector

T. Watanabe, T. Ohshima, T. Takahashi, N. Fukumoto, M. Nagata

Fusion Science and Technology

Volume 63 / Number 1T / May 2013 / Pages 358-360


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The feasibility of compact torus (CT) neutralization fuel injection method is studied by a simulation model using particle and MHD hybrid techniques. The neutralization process is simulated by using rate-coefficients. The magnetic and electric fields are found to respond sluggishly to the neutralization process. Slow ions generated by charge-exchange have been added to the model, although the CT neutralization process is not significantly affected by this.

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