Abstract

Recent results of our quasi-one-dimensional numerical simulation for performance of an MHD accelerator under chemical and thermal equilibrium conditions are presented. For the present study, working gas was changed to air plasma from inert gas of Argon, which has been studied previously to actualize application of MHD accelerator propulsion system. The numerical simulation confirms MHD acceleration with segmented Faraday, Hall, and diagonal electrode connections. In order to solve set of differential equation of magnetohydrodynamics, MacCormack scheme is employed. The results also show several parameters of MHD accelerator and acceleration performance on working gas of air-plasma. Finally, the calculation results are compared with the previous ones to clarify the effect of difference of working plasma.

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