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RESEARCH DIRECTED TOWARD INVESTIGATIONS IN SHOCK TUBE LABORATORY ASTROPHYSICS.
Final rept. for 6 Jan 64-5 Jan 65,
PARAMETRICS INC WALTHAM MASS
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A brief description is given of the shock tube facility and associated measuring equipment. The theory of radiative transfer in a uniform gas is developed with reference to shock tube spectroscopic measurements. Gas temperatures behind reflected shocks were measured simultaneously by a line reversal technique and by an ultrasonic probe method. The average temperatures agree to within 3-12. Measurements of shock gas density were made with an electron beam gas densitometer. A set of preliminary gf values were determined for ten CrI spectral lines distributed over three multiplets. Author
APPROVED FOR PUBLIC RELEASE