Nature of the first iterate for nearly‐free molecular flow
作者:
B. B. Hamel,
A. L. Cooper,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1973)
卷期:
Volume 16,
issue 1
页码: 43-44
ISSN:0031-9171
年代: 1973
DOI:10.1063/1.1694171
出版商: AIP
数据来源: AIP
摘要:
A critical evaluation is made of the first iterate of integral iteration of the Boltzmann equation for nearly‐free molecular flow over isolated bodies. It is demonstrated that, for two‐dimensional bodies with diffuse reflection, the first iterate is incapable of describing the correct physics governing nearly‐free molecular flow. Spurious sources and sinks of mass are shown to exist which result in errors of the same order as is being computed.
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