Gas flow through a slit into a vacuum in a wide range of rarefaction |
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Authors: | O Sazhin |
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Institution: | (1) Ural State University, Yekaterinburg, 620083, Russia |
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Abstract: | Gas flow through a two-dimensional slit into a vacuum is investigated by a direct simulation Monte Carlo method. Results for
the mass flow rate are obtained as a function of the rarefaction parameter, which is inversely proportional to the Knudsen
number. The distributions of density, temperature and mass velocity, and streamlines are presented. In the free molecular
flow regime and in the hydrodynamic limit, our results agree with theoretical asymptotes, and in the transition regime, they
compare well with numerical simulations by other authors.
The text was submitted by the author in English. |
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Keywords: | |
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