Interaction of Radiation with Turbulence : Application to Combustion System

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Turbulence/radiation interaction is examined in order to provide better fundamental understanding of temporal aspects of radiative transfer in combustion systems. Two aspects of radiative transfer in a turbulent medium are considered in this paper. In the first, transfer of radiation along a path with turbulent concentration and temperature fluctuations is calculated for the time-mean irradiance at a combustion chamber wall due to random concentration of avsorbing species and emission with Gaussian probability density functions. In the second, turbulence/radiation interaction and the effect of radiation transfer on the fully coupled structure and mean properties are assessed for an industrial natural gas-fired furance. The results of calculations based on the approximate formulation utilized here show that the effects of turbulence/radiation on combustion and flow properties is relatively small for a prehealed methane-air mixture. The interaction is greater when the oxidant is cold and the flame is relatively long.
American Institute of Aeronautics and Astronautics
Issue Date

Journal of Thermophysics and Heat Transfer, Vol.1, No.1, pp.56-62

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ME-Journal Papers(저널논문)


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