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- Title
Free-Molecular Gas Flow in a Narrow (Nanosize) Channel.
- Authors
Levdanskii, V.; Roldugin, V.; Zhdanov, V.; Zdimal, V.
- Abstract
We have analyzed a free-molecular gas flow in cylindrical channels (capillaries) with impermeable walls for various schemes of the scattering of molecules by channel walls, taking account of the surface diffusion of adsorbed molecules, and a gas flow in such channels with allowance for phase transformations on their walls. A substantial influence of surface diffusion on the mass transfer in gaseous mixtures in the indicated channels has been revealed. The modification of the phenomenological relations of the nonequilibrium thermodynamics of discontinuous systems is considered. The problem of uniform deposition of thin films on the inner surface of a cylindrical channel is discussed.
- Subjects
FREE molecular flow; GAS flow; NANOCRYSTALS; CAPILLARY flow; THERMODYNAMIC equilibrium; PHASE transitions
- Publication
Journal of Engineering Physics & Thermophysics, 2014, Vol 87, Issue 4, p802
- ISSN
1062-0125
- Publication type
Article
- DOI
10.1007/s10891-014-1075-4