Weighted sum of gray gas modeling for nongray radiation in combusting environment using the hybrid solution methodology

Yadav, R and Kushari, A and Verma, A K and Eswaran, Vinayak (2013) Weighted sum of gray gas modeling for nongray radiation in combusting environment using the hybrid solution methodology. Numerical Heat Transfer, Part B Fundamentals, 64 (2). pp. 174-197. ISSN 1040-7790

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Abstract

A hybrid solution approach is proposed to solve the radiation transfer equation (RTE) in combusting environment using the weighted sum of gray gases model for modeling the absorption coefficient. The hybrid approach uses a selective combination of the finite-volume method (FVM) and P1 approximation to solve the RTE for different gray gases. A comprehensive study with a wide range of test cases with homogenous and nonhomogenous media is carried out to study the accuracy, speed, and convergence rate of the hybrid solution approach. The differences between hybrid and FVM results are described, and the sources of errors are discussed

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IITH Creators:
IITH CreatorsORCiD
Eswaran, VinayakUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Absorption co-efficient; Convergence rates; Hybrid solution approaches; Hybrid solution methodology; Nonhomogenous media; Radiation transfer equations; Weighted sum of gray gas; Weighted-sum-of-gray-gases models
Subjects: Physics > Mechanical and aerospace
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 28 Nov 2014 10:54
Last Modified: 30 Aug 2017 10:48
URI: http://raiithold.iith.ac.in/id/eprint/1055
Publisher URL: https://doi.org/10.1080/10407790.2013.784147
OA policy: http://www.sherpa.ac.uk/romeo/issn/1040-7790/
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