Spectral radiation intensities leaving diametric and chord-like paths for six non-sooting flames were measured using an infrared array spectrometer. The spectral radiation intensities were also computed using the mean property approach and a time and space series simulation approach. Turbulence/radiation interactions (TRI) in these flames were investigated by comparing the two sets of computations to the experimental data. The effects of TRI are significant for regions away from the flame axis. The new data and findings are of value in the evaluation of radiation models, which are increasingly used in turbulent combustion calculations.

Issue Section:
Combustion and Gas Turbine Heat Transfer
Keywords:
turbulence, heat transfer, fluctuations, combustion, infrared spectroscopy, flames, flow simulation, flow measurement, Combustion, Heat Transfer, Modeling, Radiation, Turbulence
Topics:
Flames, Radiation (Physics), Turbulence, Combustion
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