Weighted sum of gray gas modeling for nongray radiation in combusting environment using the hybrid solution methodology
Numerical Heat Transfer, Part B: Fundamentals, 2013•Taylor & Francis
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 …
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 …
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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