Resolved shocks in clumpy media |
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| Authors: | R. J. R. Williams J. E. Dyson |
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| Affiliation: | Department of Physics and Astronomy, Cardiff University, PO Box 913, Cardiff CF24 3YB;and Department of Physics and Astronomy, University of Leeds, Leeds LS2 9JT |
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| Abstract: | We study the structure of shocks in clumpy media, using a multifluid formalism. As expected, shocks broaden as they weaken: for sufficiently weak shocks, no viscous subshock appears in the structure. This has significant implications for the survival of dense clouds in regions overrun by shocks in a wide range of astrophysical circumstances, from planetary nebulae to the nuclei of starburst galaxies. |
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| Keywords: | hydrodynamics shock waves ISM: clouds ISM: globules ISM: kinematics and dynamics |
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