The Effects of a Simple Shear Layer on the Growth of Kelvin-Helmholtz Instabilities

Details The Effects of a Simple Shear Layer on the Growth of Kelvin-Helmholtz Instabilities The Effects of a Simple Shear Layer on the Growth of Kelvin-Helmholtz Instabilities

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.198..617r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 198, P. 617, 1982

Astronomy and Astrophysics

Astronomy

55

Scientific paper

In this paper we study Kelvin-Helmholtz instabilities for the case of a linear shear in an inviscid compressible homogeneous fluid. We find that such a shear destabilizes zero growth vortex sheet modes when the Mach number (defined in terms of half the relative velocity across the shear) is sufficiently high. A comparison is drawn between our work for a linear shear, and earlier work on a hyperbolic tangent shear. Close parallels are seen in the results of these two velocity profiles.

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