Abstract

The object of this investigation was to study the influence of vibrational nonequilibrium upon infrared radiative energy transfer in nongray, nonisothermal gases. An expression for the radiative flux within a diatomic gas is developed, and the spectroscopic realities of the structure of the fundamental vibration-rotation band are incorporated by expressing the kernel function in terms of the band absorptance. This procedure may readily be extended to include multiple band spectra. Illustrative results showing the effect of vibrational nonequilibrium are given for the case of a gas bounded by two black plates, and within which there is a uniform heat source.

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