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Spectroradiometric pyrometry of shock-heated gases by infrared emission and absorption measurements.

作者信息

Penzias G J, Dolin S A, Kruegle H A

机构信息

The Warner & Swasey Company, Control Instrument Division, Flushing, New York, USA.

出版信息

Appl Opt. 1966 Feb 1;5(2):225-30. doi: 10.1364/AO.5.000225.

DOI:10.1364/AO.5.000225
PMID:20048824
Abstract

A spectroradiometric pyrometer was developed to measure temperatures of shock-heated gases with time resolution of about 10 microsec. Gas temperatures in shock-heated CO(2)-N(2) mixtures and in self-sustaining detonations were determined by simultaneously measuring infrared spectral radiance and absorptance at selected wavelengths in CO(2) and H(2)O band spectra. By Kirchhoff's law, the ratio (radiance/absorptance) equals the Planck blackbody radiance, from which the temperature is easily found. The measured temperatures agreed with values calculated from the measured shock velocities.

摘要

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