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Energy and momentum equations for disparate‐mass binary gases

 

作者: E. A. Johnson,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1973)
卷期: Volume 16, issue 1  

页码: 45-49

 

ISSN:0031-9171

 

年代: 1973

 

DOI:10.1063/1.1694172

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Normal solutions to the Boltzmann equation are investigated using a reordering of the various collision integrals which is expected to be appropriate for binary gas mixtures in which the species masses are very different from each other but the number densities are comparable. The resulting predictions for the temperatures and flow velocities of the species are obtained and discussed. Conservation and relaxation equations are obtained and compared with results of others. Predictions for a uniform mixture indicate that the approach used is a consistent way of treating disparate‐mass binary gases. Finally, it is shown that the results presented here also apply to Lorentzian mixtures.

 

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