Diffusiophoresis of an aerosol particle in a binary gas mixture (Q2760779)
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scientific article; zbMATH DE number 1682296
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Diffusiophoresis of an aerosol particle in a binary gas mixture |
scientific article; zbMATH DE number 1682296 |
Statements
13 December 2001
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diffusion
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molecular-kinetic model
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integral-momentum method
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Diffusiophoresis of an aerosol particle in a binary gas mixture (English)
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The diffusion force and rate are calculated for the diffusiophoresis of a spherical particle in a binary gas mixture by solving the gas-kinetic equations. Two schemes of diffusiophoresis are considered: constant-pressure diffusion and diffusion of one mixture component through the other fixed component. The problem is solved by the integral-momentum method at arbitrary Knudsen numbers. Diffuse scattering of the gas molecules on the particle surface is assumed. The Lorentzian and Rayleigh models of a binary gas mixture are considered. The dependencies of the force and rate of diffusiophoresis on the Knudsen number and the other determining parameters are analyzed. The results obtained are compared with well-known experimental data.
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