The Jeans instability criterion for a compressible fluid including viscosity and heat conduction

Details The Jeans instability criterion for a compressible fluid including viscosity and heat conduction The Jeans instability criterion for a compressible fluid including viscosity and heat conduction

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.153...87c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 153, no. 1, March 1989, p. 87-94.

Statistics

Computation

4

Compressible Fluids, Computational Astrophysics, Conductive Heat Transfer, Universe, Viscosity, Density Distribution, Hydrodynamics, Stability

Scientific paper

For the region after the recombination era of the universe, the hydrodynamical density waves are analyzed, including shear viscosity and heat conduction for densities equal to and less than the critical density of the universe. Very near to the end of the recombination era (z = 1200), the well-known Jeans instability is found. Although the influence of the shear viscosity on the instabilities is negligible, a visible influence of the bulk viscosity is found to be present.

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