Molecular Simulation of Rarefied Supersonic Free Jets by DSMS Method

JSME International Journal Series B Fluids and Thermal Engineering

Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054

Molecular Simulation of Rarefied Supersonic Free Jets by DSMS Method

Masaru USAMI, Koji TESHIMA

著者情報

キーワード: Rarefied Gas Flow, Molecular Flow, Free Jet, DSMC, Shock Wave

ジャーナルフリー

1999 年 42 巻 3 号 p. 369-376

DOI https://doi.org/10.1299/jsmeb.42.369

詳細

抄録

The direct simulation Monte Carlo method is applied to the study of supersonic jets through a thin orifice. The influence of roughness of the cell network and the number of molecules in a cell on the simulation results is examined. The structure of the jets can be characterized using the rarefaction parameter introduced by Muntz et al. (AIAA J., 1970). The temperature nonequilibrium between the directions parallel and normal to the jet axis is reproduced.

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© The Japan Society of Mechanical Engineers

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