Heating by dissipation of sound waves in the interstellar gas

Heating by dissipation of sound waves in the interstellar gas

The equilibrium resulting in a recombining plasma with arbitrary metallicity Z, heated by a mean radiation field E as well as by sound waves dissipation due to thermal conduction, dynamic and bulk viscosity is analyzed. Generally, the heating by acoustic waves dissipation induces drastic changes in...

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Veröffentlicht in:arXiv.org 2024-01
Hauptverfasser: Ibañez Sanchez, Miguel H, Conde C, Sandra M, Contreras E, Pedro L
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Acoustic waves
Dissipation
Gas pressure
Heating
Interstellar gas
Metallicity
Sound waves
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description The equilibrium resulting in a recombining plasma with arbitrary metallicity Z, heated by a mean radiation field E as well as by sound waves dissipation due to thermal conduction, dynamic and bulk viscosity is analyzed. Generally, the heating by acoustic waves dissipation induces drastic changes in the range of temperature where the thermochemical equilibrium may exist. An additional equilibrium state appears which is characterized by a lower ionization and higher gas pressure than the equilibrium resulting when the wave dissipation is neglected. The above effects are sensibly to the values of the gas parameters as well as the wavelength and intensity of the acoustic waves. Implications in the interstellar gas, in particular, in the high velocity clouds are outlined.
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subjects Acoustic waves
Dissipation
Gas pressure
Heating
Interstellar gas
Metallicity
Sound waves
title Heating by dissipation of sound waves in the interstellar gas
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