Abstract
The one-dimensional adiabatic expansion of gas desorbing into a vacuum is studied. The gas is assumed to desorb thermally during a finite period of time from a plane surface. Both the boundary conditions of particle reflection at the surface and sticking at the surface (recondensation) are treated. The general solution of the space- and time-dependent flow field is presented for arbitrary adiabatic coefficient γ. Explicit results are derived and discussed for the case of a monoatomic gas (γ=5/3) and a diatomic gas (γ=7/5 and γ=9/7). The cases of a gas with a large number of degrees of freedom (γ=1), and of γ=3 as a particularly transparent example of the analysis, are treated separately.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:24 a.m.) |
Deposited | 2 years, 1 month ago (July 6, 2023, 1:31 p.m.) |
Indexed | 1 year, 2 months ago (June 12, 2024, 11:53 a.m.) |
Issued | 33 years, 7 months ago (Jan. 1, 1992) |
Published | 33 years, 7 months ago (Jan. 1, 1992) |
Published Print | 33 years, 7 months ago (Jan. 1, 1992) |
@article{Sibold_1992, title={Gas-dynamic study of pulsed desorption flows into a vacuum}, volume={4}, ISSN={0899-8213}, url={http://dx.doi.org/10.1063/1.858493}, DOI={10.1063/1.858493}, number={1}, journal={Physics of Fluids A: Fluid Dynamics}, publisher={AIP Publishing}, author={Sibold, D. and Urbassek, H. M.}, year={1992}, month=jan, pages={165–177} }