Accession Number : AD0283508

Title :   A MEASUREMENT OF THE RECOMBINATION RATE OF OXYGEN

Corporate Author : CORNELL UNIV ITHACA N Y

Personal Author(s) : WILSON,J.

Report Date : DEC 1962

Pagination or Media Count : 1

Abstract : The recombination rate of oxygen has been measured in a shock tube. The gas in the tube is first dissociated and set in motion by the shock wave, then flows through the expansion waves created by the airfoils and is cooled, and finally flows into the constant-area channel, where it recombines. Shock waves between M = 7.5 and M = 9.5 in mixtures of oxygen and argon at 2 cm. Hg. pressure are used, giving degrees of dissociation between 0.1 and 0.4. The temperature drop across the expansion is about 700 K. Measurement of the degree of dissociation downstream of the expansion leads to the recombination rate. The means of measurement is absorption of ultra-violet light at a wavelength of 2283 angstroms. (Author)

Descriptors :   *DISSOCIATION, *MEASUREMENT, *OXYGEN, *RECOMBINATION REACTIONS, ARGON, PHYSICAL CHEMISTRY, SHOCK TUBES, ULTRAVIOLET SPECTROSCOPY

Distribution Statement : APPROVED FOR PUBLIC RELEASE