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Abstract
The infrared absorption of hydrocarbons is important in the determination of the effect of thermal blockage on the ignition and combustion of condensed fuels. Low-resolution spectral absorptivity data for propylene in the region from 2 to 15 μ are presented for temperatures between 290 and 830 K and pressures between 0.05 and 2 atm. The data have been used in conjunction with the general statistical narrow-band model and Edwards' exponential wideband model to define the spectral absorption characteristics of the gas. The wide-band model is used to calculate the Planck mean absorption coefficient and total emissivity, which are presented in graphical form.