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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/17745
Title: Modeling of radiative heat transfer in carbonaceous atmospheres using k-distribution models
Authors: Bansal, Ankit
Modest M.F.
Published in: Journal of Thermophysics and Heat Transfer
Abstract: Full-spectrum correlated k-distribution models are presented for bands of CN and CO for applications relevant to entry into atmospheres of Titan, Mars, Venus and flows over an ablating heat shield. A new emission-weighted fullspectrum k-distribution model is proposed as an improvement over the more popular Planck function-weighted fullspectrum k-distribution model. In the new reordering scheme, emission coefficient is used as the weight instead of the Planck-function. To exploit the full potential of the k-distribution method databasing schemes for k distributions are discussed and CPU time studies are presented. The accuracy of the new model and the database is demonstrated by solving the radiative transfer equation for two-cell problems and stagnation line flowfields of Titan's Huygens spacecraft and a spacecraft entering into the Martian atmosphere. © 2012 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.
Citation: Journal of Thermophysics and Heat Transfer, (2013), 217- 225
URI: https://doi.org/10.2514/1.T3786
http://repository.iitr.ac.in/handle/123456789/17745
Issue Date: 2013
Keywords: Emission coefficient
Full-spectrum
Heat shields
K-Distribution
K-distribution method
Martian atmospheres
Radiative heat transfer
Radiative transfer equations
Spacecraft
Heat radiation
ISSN: 8878722
Author Scopus IDs: 56650604800
7006681520
Author Affiliations: Bansal, A., Indian Institute of Technology, School of Engineering, Mandi 175001, India
Modest, M.F., University of California, Department of Engineering, Merced, CA 95343, United States
Corresponding Author: Bansal, A.; Indian Institute of Technology, School of Engineering, Mandi 175001, India; email: ankit@iitmandi.ac.in
Appears in Collections:Conference Publications [ME]

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