Magnetohydrodynamic Shock Relations in Nonaligned Flows (Classic Reprint)

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Excerpt from Magnetohydrodynamic Shock Relations in Nonaligned FlowsThe transition solution of the physical state across a plane magnetohydrodynamic (med) shock in a compressible, infinitely electrically conducting, inviscid, non - heat conducting perfect gas in the presence of an arbitrarily oriented uniform magnetic field is investigated. In the absence of all dissipation mechanisms, the shock appears as a surface of discontinuity with infinitesimal thickness across which the physical state undergoes a sudden jump according to conservation laws. Corres ponding to each given upstream state ahead of the shock, there exists a family of downstream states behind the shock charac terized by a single shock-strength parameter for which any convenient downstream physical quantity (including the shock speed or shock inclination) can be taken. Thus the transition solution consists of determining the downstream state in terms of a prescribed shock-strength parameter, together with the known upstream state. Because of the presence of Maxwell stresses, the flow direction changes across a mhd shock in general, even if it is normal to the shock surface upstream (see Section II - A), hence general mhd shocks are always oblique.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.