STABILITY DIAGRAMS FOR MAGNETOGASDYNAMIC CHANNEL FLOW
Flight sciences laboratory rept.
BOEING SCIENTIFIC RESEARCH LABS SEATTLE WA
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A study is made of the influence of a coplanar magnetic field on the stability of a conducting fluid flowing between parallel planes. After derivation of the general stability equations for small magnetic Reynolds number, numerical results are obtained for the case where initial perturbations of the magnetic field vanish. This must occur if the channel walls have zero or infinite conductivity. Four sets of stability diagrams are presented so that each stability curve will represent the effect of a given applied magnetic field as only one of the four quantities in the Reynolds number is changed. The flow is always stable for initial disturbances of the field produced by passage of a pulsating current through walls of finite conductivity.
- Plasma Physics and Magnetohydrodynamics