Journals / Turkish Journal of Engineering and Environmental Sciences / 2006 / Cilt: 30 - Sayı: 3

Non-gray Radiation Analysis in Participating Media with the Finite Volume Method

Pages
183–192
DOI
—

Abstract

The Weighted-Sum-of-Gray-Gases (WSGG) model is used to investigate radiative heat transfer in non-gray media. The finite volume method (FVM) is used to solve the radiative transfer equation. Validations with benchmarks show satisfactory results when coupling the WSGG model to the FVM. A scattering analysis is then presented where the effects of the scattering albedo and the phase function are studied. Finally, the WSGG model is applied to a gas turbine combustion simulator (GTCS) for prediction of the incident wall radiative heat flux. Comparison of the experimental measurements with the non-gray WSGG numerical results shows satisfactory agreement of the wall radiative heat flux.

Özet

The Weighted-Sum-of-Gray-Gases (WSGG) model is used to investigate radiative heat transfer in non-gray media. The finite volume method (FVM) is used to solve the radiative transfer equation. Validations with benchmarks show satisfactory results when coupling the WSGG model to the FVM. A scattering analysis is then presented where the effects of the scattering albedo and the phase function are studied. Finally, the WSGG model is applied to a gas turbine combustion simulator (GTCS) for prediction of the incident wall radiative heat flux. Comparison of the experimental measurements with the non-gray WSGG numerical results shows satisfactory agreement of the wall radiative heat flux.

Keywords: Radiative transfer, FVM, WSGG-model, Non-gray, Scattering