Magneto-Fluid-Mechanic Blast Waves in a Medium with Finite Electrical Conductivity.

P. S. Lykoudis

ResearchPublished 1962

An analysis of a class of theoretical problems in which a sudden release of energy occurs in a magnetic field perpendicular to the induced motion. The motion of this electrically conducting medium is such that the magnetic field lines are not distorted. This assumption restricts the application of the solutions to problems in hypersonic gas dynamics (which also describe the steady hypersonic flow around a hemisphere-cylinder with the magnetic field parallel to the flow and the axis of the body) rather than to nuclear explosions. The case of cylindrical blast waves is discussed. It is shown that the magnetic field decelerates the fluid behind the blast wave, producing higher temperatures and altering the shape of the shock wave and the drag of the body. These effects occur during reentry through the earth's magnetic field only at velocities associated with meteors.

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Lykoudis, P. S., Magneto-Fluid-Mechanic Blast Waves in a Medium with Finite Electrical Conductivity. Santa Monica, CA: RAND Corporation, 1962. https://www.rand.org/pubs/research_memoranda/RM3125.html.
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