Abstract

An equation for the average internal energy of a gas in a field of acoustic turbulence is obtained by the method of perturbation theory. It is shown that, in addition to the characteristic increase in the coefficient of thermal conductivity, acoustic turbulence leads to heating of the gas through compressibility and heat-conduction effects. At large Mach and Peelet numbers the heating has an exponential character with time. An expression determining the absorption of acoustic vibrations in a gas is obtained.

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