Two-temperature radiative shocks with electron thermal conduction

Details Two-temperature radiative shocks with electron thermal conduction Two-temperature radiative shocks with electron thermal conduction

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...336..979b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 336, Jan. 15, 1989, p. 979-998.

Astronomy and Astrophysics

Astrophysics

27

Magnetohydrodynamics, Plasma Temperature, Shock Waves, Thermal Conductivity, Electron Energy, Heavy Elements, Interstellar Matter, Plasma-Particle Interactions, Supernova Remnants

Scientific paper

The influence of electron thermal conduction on radiative shock structure is studied for both one- and two-temperature plasmas. The dimensionless ratio of the conductive length to the cooling length determines whether or not conduction is important, and shock jump conditions with conduction are established for a collisionless shock front. Approximate solutions are obtained, with the assumptions that the ionization state of the gas is constant and the cooling rate is a function of temperature alone. In the absence of magnetic fields, these solutions indicate that conduction noticeably influences normal-abundance interstellar shocks with velocities 50-100 km/s and dramatically affects metal-dominated shocks over a wide range of shock velocities.

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