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Gaskinetic Solutions for High Knudsen Number Planar Jet Impingement Flows

Published online by Cambridge University Press:  03 June 2015

Chunpei Cai and
Chun Zou
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Abstract

This paper presents a gaskinetic study and analytical results on high speed rarefied gas flows from a planar exit. The beginning of this paper reviews the results for planar free jet expanding into a vacuum, followed by an investigation of jet impingement on normally set plates with either a diffuse or a specular surface. Presented results include exact solutions for flowfield and surface properties. Numerical simulations with the direct simulation Monte Carlo method were performed to validate these analytical results, and good agreement with this is obtained for flows at high Knudsen numbers. These highly rarefied jet and jet impingement results can provide references for real jet and jet impingement flows.

Keywords

98.58.Fd47.45.Ab52.25.Fi52.55.Fa52.35.PyGaskinetic theoryjetjet impingementMonte Carlo method

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Type
Research Article
Information
Communications in Computational Physics , Volume 14 , Issue 4 , October 2013, pp. 960 - 978
Copyright
Copyright © Global Science Press Limited 2013

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