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On plane linear magnetohydrodynamic waves

Published online by Cambridge University Press:  28 March 2006

Leon Trilling
Leon Trilling
Affiliation:
Massachusetts Institute of Technology
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Abstract

This paper investigates the perturbation modes of the steady parallel flow of a compressible fluid of finite constant viscosity and electrical conductivity in a uniform arbitrarily oriented magnetic field. In particular, in addition to the classical fast and slow sound and Alfvén modes, one obtains some waves whose amplitude is finite whenever the diffusive coefficients are finite and which resemble the diffusion of vorticity from stream surfaces in classical hydrodynamics. The paper also re-interprets upward-facing MHD waves and upstream wakes in a new way.

Information

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 13 , Issue 2 , June 1962 , pp. 272 - 288
Copyright
© 1962 Cambridge University Press

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