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Research Journal of Engineering and Technology
Year : 2015, Volume : 6, Issue : 1
First page : ( 164) Last page : ( 168)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2015.00024.0

Analytical/numerical investigations of Kelvin-Helmholtz instability of superposed non-viscous fluids in the presence of magnetic field

Sharma Veena1,  Abhilasha2, Gupta Sumit3

1Department of Mathematics & Statistics, H.P. University, Shimla-5

2Govt. Degree College Amb, Una (H.P.)

3APG University, Solan (H.P.)

Corresponding Author:

Abstract

The instability of two immiscible superposed, non-viscous, electrically conducting and counter-streaming fluids with upper fluid layer lighter than the lower fluid layer in the presence of uniform magnetic field has been investigated numerically. Using the linear theory and normal mode analysis, the exact solutions of eigen value problem have been obtained for stress free bounding surfaces and the dispersion relation so obtained has been analysed to examine the effects of magnetic field and velocity of streaming fluids on the growth rates of the unstable mode of perturbation on the physical system. It has been found that the magnetic field has a slight stabilizing effect on the system; whereas the velocity of the counter-streaming fluids has a large enough stabilizing effect towards neutral stability.

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