Thermodynamics of a homogeneous mixture of gas, radiation, and turbulence

被引：1

作者：

Stothers, RB ^{[1
]}

机构：

[1] NASA, Inst Space Studies, Goddard Space Flight Ctr, New York, NY 10025 USA

来源：

ASTROPHYSICAL JOURNAL | 2002年 / 581卷 / 02期

关键词：

atomic processes; equation of state; plasmas; turbulence;

D O I：

10.1086/344296

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Subject to certain constraints, the equilibrium thermodynamics of a mixture of ionizing gas, blackbody radiation, and homogeneous turbulence is worked out in some detail. Specific heats and adiabatic exponents (Chandrasekhar's gammas) are calculated. The adiabatic exponents show only a weak dependence on the turbulent pressure and the turbulent energy. This dependence is weakest under conditions of strong partial ionization of the gas, or when the relative pressure due to radiation is very high. Analytic expressions and numerical examples are both given, and possible astrophysical applications are briefly discussed.

引用

页码：1407 / 1412

页数：6

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