Hall Effects in Magnetogasdynamic Flows of Finite Conductivity past a Wedge Profile

概要

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A steady flow of an ideal gas pasta a thin wedge profile in an aligned manetic field is considered for arbitrary magnetic Reynlds number, Hell parameter, Mach number, and Alfven Mach number, within the linearized theory. The flow field near the obstacle is found by the numerical integration of the Fourier transfrom. The outer flow is estimated by the method of asymptotic expansion. Particular attentio is placed on the transition of the flow field as the Hall parameter increases from zero to infinity for a given magnetic Reynolds unmber. Then, the MHD boundary layer and the MHD shock layer are dispersed away, and the flow field tends to the ordinary gasdynamic one after the intemediate state with wavy aspects. Several predictions are provided about the observation of a standing MHD shock wave.
社団法人日本物理学会の論文
1974-07-15