Vibrational energy conservation with vibration–dissociation coupling: General theory and numerical studies
作者:
Joseph Olejniczak,
Graham V. Candler,
期刊:
Physics of Fluids
(AIP Available online 1995)
卷期:
Volume 7,
issue 7
页码: 1764-1774
ISSN:1070-6631
年代: 1995
DOI:10.1063/1.868491
出版商: AIP
数据来源: AIP
摘要:
The coupling between vibrational relaxation and dissociation in nitrogen is studied. The conservation of vibrational energy equation is derived and the form of the source terms is determined for physically consistent coupling models. Using a computational fluid dynamics method, the results from three current coupling models are compared to existing experimental interferograms for spherical geometries. It is found that the coupling models of Park, Treanor and Marrone, and Macheret and Rich are able to accurately predict the shock standoff distances and reproduce the experimental interference patterns for these conditions. However, there are differences in the vibrational temperature profiles among the coupling models. The experimental interferograms are not sensitive to these differences, though. ©1995 American Institute of Physics.
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