Evaluation of Nonisothermal Band Models for H2O
AEROSPACE CORP EL SEGUNDO CA CHEMISTRY AND PHYSICS LAB
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Comparisons of predicted and measured radiance spectra for nonuniform hot H2O gas samples are reported. The predicted spectra are generated with band models formulated in a companion paper, and band model parameters constructed to handle optical path temperature variations from 200 to 3000 K. The model identified in the companion paper as the intuitive derivative approximation is shown to be superior to the traditional Curtis-Godson approximation in treating general optical paths along which high degrees of nonuniformity occur.