Effect of thermal conductivity on the gravitational instability of a magnetized rotating plasma through a porous medium in the presence of suspended particles

Details Effect of thermal conductivity on the gravitational instability of a magnetized rotating plasma through a porous medium in the presence of suspended particles Effect of thermal conductivity on the gravitational instability of a magnetized rotating plasma through a porous medium in the presence of suspended particles

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.145..223c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 145, no. 2, June 1988, p. 223-240.

Statistics

Computation

2

Cosmic Plasma, Gravitational Effects, Magnetoplasmadynamics, Molecular Clouds, Rotating Plasmas, Computational Astrophysics, Cosmic Dust, Perturbation Theory, Plasma Waves, Porosity, Suspending (Mixing), Thermal Conductivity

Scientific paper

The self-gravitational instability of an ionized, thermally-conducting, magnetized, rotating plasma flow through a porous medium has been studied in the presence of suspended particles. The ionized gas-particle medium has been considered rotating along and perpendicular to the vertical magnetic field. Propagation of the plasma waves has been studied for the longitudinal and the transverse modes for both the cases of rotation. A general dispersion relation has been derived with the help of relevant perturbation equations, using the method of normal mode analysis. The Jeans criterion determines the condition of gravitational instability in all the cases with some modifications introduced by the various parameters considered. Thermal conductivity replaces the adiabatic sonic speed by the isothermal one.

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