Kelvin-Helmholtz instability of two viscous superposed rotating and conducting fluids

Details Kelvin-Helmholtz instability of two viscous superposed rotating and conducting fluids Kelvin-Helmholtz instability of two viscous superposed rotating and conducting fluids

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.141..151m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 141, no. 1, Feb. 1988, p. 151-158.

Astronomy and Astrophysics

Astrophysics

2

Conducting Fluids, Kelvin-Helmholtz Instability, Viscous Fluids, Magnetic Effects, Magnetohydrodynamic Stability

Scientific paper

Kelvin-Helmholtz instability of the interface separating two viscous rotating-conducting fluids has been studied in the presence of finite ion-Larmor radius (FLR) effects. Employing the normal mode technique, the solutions have been obtained when the fluids are assumed to be permeated by a uniform horizontal magnetic field. For the case of two highly viscous fluids, the dispersion relation has been derived and solved numerically. It is found that the streaming velocity has a stabilizing influence on the potentially unstable arrangement of the fluids. The viscosity and FLR effects are also found to have a stabilizing influence while the Coriolis forces have a destabilizing influence on the system.

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