Physics – Plasma Physics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..dppgm1009w&link_type=abstract
American Physical Society, 45th Annual Meeting of the Division of Plasma Physics, October 27-31, 2003, Albuquerque, New Mexico,
Physics
Plasma Physics
Scientific paper
Multiphase flows are widespread in astrophysics. In particular, the interstellar medium has components at a wide range of temperatures which are close to pressure equilibrium. It is often not possible to resolve these fine scale sctructures in global simulations, for example of the galactic winds driven from starburst nuclei, but the observed properties of these flows may be dominated by components with small filling fractions. We present two and three dimensional simulations of the interaction of shocks with media with large numbers of dense inclusions, developing on the recent work of Poludnenko et al and of Williams and Dyson. This explicit treatment of the `multiphase Riemann problem' allows us to develop macroscopic characteristics of the flows which may be incorporated in larger scale simulations. We also discuss the feasibility of new types of laboratory experiments.
Williams Richard J.
Youngs D. L.
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