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THE ABSORPTION-LINE BLACKBODY DISTRIBUTION FUNCTION AT ELEVATED PRESSURE

DOI: 10.1615/ICHMT.1995.RadTransfProc.180

Martin K. Denison
Advanced Combustion Engineering Research Center, Brigham Young University, Utah, USA

Brent W. Webb
Brigham Young University, Dept. of Mechanical Engineering, CTB435, Provo, UT 84602, USA

要約

The previously published mathematical correlations of the absorption-line blackbody distribution function, central to the spectral-line based weighted-sum-of-gray-gases model (SLW), have been extended to elevated pressures by introducing a dependence on an effective broadening pressure. Comparisons between experimentally determined total emissivities and those calculated with the model show good agreement. Good agreement at elevated pressure between line-by-line benchmarks, and model predictions is also demonstrated.

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