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.
Publisher
American Institute of Aeronautics and Astronautics
Issue Date
1987-01
Citation

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

ISSN
0887-8722
URI
http://hdl.handle.net/10203/24984
Appears in Collection
ME-Journal Papers(저널논문)

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