The Weakening of the Termination Shocks of Isothermal Winds by Mass Loading

Details The Weakening of the Termination Shocks of Isothermal Winds by Mass Loading The Weakening of the Termination Shocks of Isothermal Winds by Mass Loading

Jun 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...446..759w&link_type=abstract

Astrophysical Journal v.446, p.759

Astronomy and Astrophysics

Astronomy

26

Hydrodynamics, Radio Continuum: General, Shock Waves

Scientific paper

An analysis of the dynamics of supersonic mass-loaded isothermal winds shows that in many situations such a wind will pass through one or more global shocks at speeds much lower than the wind's maximum velocity. A method for estimating the Mach number of the global shock in a mass-loaded, spherically symmetric, isothermal wind is given. The criteria that must be met for the assumption that the wind is isothermal to be valid are treated. We discuss the asymptotic behavior of these winds and the nature of sonic points in them. Numerical solutions for the Mach numbers of isothermal winds for different radial dependences of the mass-loading rate are given. The possible relevance of low shock speeds in some mass-loaded isothermal winds for radio quietness is mentioned.

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