Calculating thermal radiation of a vibrational nonequilibrium gas flow using the method of k-distribution
- Authors: Molchanov A.M.1, Bykov L.V.1, Yanyshev D.S.1
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Affiliations:
- Moscow Aviation Institute (National Research University)
- Issue: Vol 24, No 3 (2017)
- Pages: 399-419
- Section: Article
- URL: https://journals.rcsi.science/1531-8699/article/view/216969
- DOI: https://doi.org/10.1134/S086986431703009X
- ID: 216969
Cite item
Abstract
The method has been developed to calculate infrared radiation of vibrational nonequilibrium gas based on k-distribution. A comparison of the data on the calculated nonequilibrium radiation with results of other authors and with experimental data has shown satisfactory agreement. It is shown that the results of calculation of radiation intensity using nonequilibrium and equilibrium methods significantly differ from each other. The discrepancy increases with increasing height (decreasing pressure) and can exceed an order of magnitude.
About the authors
A. M. Molchanov
Moscow Aviation Institute (National Research University)
Email: bykov@mai.ru
Russian Federation, Moscow
L. V. Bykov
Moscow Aviation Institute (National Research University)
Author for correspondence.
Email: bykov@mai.ru
Russian Federation, Moscow
D. S. Yanyshev
Moscow Aviation Institute (National Research University)
Email: bykov@mai.ru
Russian Federation, Moscow