Time-resolved spectroscopic observations with the shock tube are described. Emission spectra are recorded for the high-temperature gas behind the shock reflected from the closed end of the tube. Simultaneous observations are made of the hydrodynamic variables. The state of the emitting gas is predicted by hydrodynamic theory and correlated with the observed spectrum. Deviations from ideal theory caused by viscosity and heat conduction are recognized, and their influence upon pressure and temperature is appraised by direct measurement.
© 1960 Optical Society of AmericaFull Article | PDF Article
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