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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/11933
Title: Multi-scale k-distribution model for gas mixtures in hypersonic nonequilibrium flows
Authors: Bansal, Ankit
Modest M.F.
Levin D.A.
Published in: Journal of Quantitative Spectroscopy and Radiative Transfer
Abstract: A k-distribution model is presented for gas mixtures in thermodynamic nonequilibrium, containing strongly radiating atomic species N and O together with molecular species of N2, N2+, NO and O2. In the VUV range of the spectrum there is strong absorption of atomic radiation by bands of N2. For this spectral range, a multi-scale model is presented, where RTEs are solved separately for each emitting species and overlap with other species is treated in an approximate way. Methodology for splitting the gas mixture into scales and evaluation of the overlap parameter between different scales is presented. The accuracy of the new model is demonstrated by solving the radiative transfer equation along the stagnation line flow field of the Crew Exploration Vehicle (CEV). © 2010 Elsevier Ltd.
Citation: Journal of Quantitative Spectroscopy and Radiative Transfer (2011), 112(7): 1213-1221
URI: https://doi.org/10.1016/j.jqsrt.2010.09.012
http://repository.iitr.ac.in/handle/123456789/11933
Issue Date: 2011
Keywords: Hypersonics
Nonequilibrium
Plasma radiation
ISSN: 224073
Author Scopus IDs: 56650604800
7006681520
7202969166
Author Affiliations: Bansal, A., Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
Modest, M.F., School of Engineering, University of California, Merced, CA 95343, United States
Levin, D.A., Department of Aerospace Engineering, The Pennsylvania State University, University Park, PA 16802, United States
Funding Details: The research performed at the Pennsylvania State University was supported by NASA through Grant no. NNX07AC47A .
Corresponding Author: Modest, M.F.; University of California, Merced, CA 95343, United States; email: MModest@eng.ucmerced.edu
Appears in Collections:Journal Publications [ME]

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