A MEASUREMENT OF THE RECOMBINATION RATE OF OXYGEN

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)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1962
Accession Number
AD0283508

Entities

People

  • John A. Wilson

Organizations

  • Cornell University

Tags

DTIC Thesaurus Topics

  • Absorption
  • Dissociation
  • Measurement
  • Pressure Measurement
  • Shock
  • Shock Tubes
  • Shock Waves
  • Tubes
  • Waves

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Electrochemical Engineering/ Fuel Cell Technologies
  • Spectroscopy.