Abstract

Fluid Dynamical Instabilities in Magnetized Partially Ionized Dense Dusty Plasma

Highlights

  • Instabilities are ubiquitous in partially ionized dusty plasmas

  • We study the fluid dynamical instabilities in magnetized partially ionized dense dusty plasma by taking relative flow between dust and neutral gas

  • We consider a magnetized partially ionized dense dusty plasmas whose dynamics are governed by dust and neutral gas components

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Summary

INTRODUCTION

Instabilities are ubiquitous in partially ionized dusty plasmas. The study of instabilities in partially ionized dusty plasmas has drawn considerable interest in recent past in many different astrophysical contexts such as accretion disks [1] and relativistic jets [2]. A flute like instability which is different from the usual Rayleigh-Taylor instability is investigated by Varma and Shukla [6] Another important instability, which occurs when adjacent layers of fluid are in relative motion, is called Kelvin-Helmholtz instability and has been analyzed for a conductive magnetized incompressible fluids streaming along the direction of the magnetic field[7]. Shear flow instabilities in magnetized partially dense dusty plasma have been studied by Birk and Wiechen [13] They derived onset criteria for instabilities with and without electrical resistivity and found that momentum exchange between the dust and neutral gas stabilized long wavelength perturbations. We study the fluid dynamical instabilities in magnetized partially ionized dense dusty plasma by taking relative flow between dust and neutral gas.

THEORY AND BASIC EQUATIONS
DERIVATION OF ONSET CRITERIA
CONCLUSIONS

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