4.7 Article

Non-equilibrium thermodynamics of light-induced transport phenomena in a binary gas mixture

Journal

PHYSICS OF FLUIDS
Volume 33, Issue 12, Pages -

Publisher

AIP Publishing
DOI: 10.1063/5.0071582

Keywords

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Funding

  1. Ministry of Science and Higher Education of the Russian Federation [FEUZ-2020-0057]

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This paper presents a kinetic theory of transfer processes in a binary gas mixture in a capillary under the action of resonant laser radiation in the presence of pressure, temperature, and concentration gradients. The expressions for kinetic coefficients describing the transfer processes of mass, heat, and emitted electromagnetic energy by the excited particles of the gas mixture are obtained based on linearized modified Boltzmann equations. The Onsager reciprocal principle for cross coefficients is proven to be valid for any Knudsen numbers and any law of interaction of gas mixture particles with each other and the boundary surface.
A kinetic theory of transfer processes in a binary gas mixture in a capillary under the action of resonant laser radiation in the presence of pressure, temperature, and concentration gradients is presented. Based on linearized modified Boltzmann equations for the resonant and buffer gases, expressions for kinetic coefficients describing the transfer processes of mass, heat and emitted electromagnetic energy by the excited particles of the gas mixture are obtained. For the cross coefficients, the Onsager reciprocal principle is proved, which is valid for any Knudsen numbers and any law of interaction of gas mixture particles with each other and the boundary surface. Light-induced phenomena associated with the system's possible non-equilibrium stationary states are analyzed. Published under an exclusive license by AIP Publishing.

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