Abstract
The spectral absorptivity of nitric oxide gas has been measured at low resolution using a furnace-absorption cell apparatus. These measurements were made at temperatures ranging from 300°K to 1200°K, while the optical pathlengths were such that the resulting data fell in the transition to strong absorbing regions. The results are correlated in terms of spectral mean (or narrow band) properties as well as wide-band properties. The spectral mean correlation is based on the Elsasser model in terms of the line-strength and line-shape parameters, while the exponential wide-band model is used for band absorptance correlation. A total emissivity chart for NO is constructed using the results of the band absorptance correlation.
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