Accession Number : AD0645700

Title :   INTERFEROMETRIC MEASUREMENT OF THE NONEQUILIBRIUM FLOW FIELD AROUND A CONE,

Corporate Author : BALLISTIC RESEARCH LABS ABERDEEN PROVING GROUND MD

Personal Author(s) : Spurk,Joseph H. ; Bartos,Joan M.

Report Date : AUG 1966

Pagination or Media Count : 36

Abstract : Interferometric measurement of the density field around a cone in a stream of oxygen at approximately 10,000 ft/sec is reported. The test flow was generated in an expansion tube, which utilized an unsteady expansion for the purpose of total enthalpy multiplication. The experiment shows that vibrational equilibrium is achieved close behind the shock, while chemical relaxation occurs throughout the shock layer. The experimental density distribution and shock shape are compared with theoretical predictions, and good agreement is found. (Author)

Descriptors :   (*NONEQUILIBRIUM FLOW, *CONICAL BODIES), FLOW FIELDS, INTERFEROMETERS, MEASUREMENT, ENTHALPY, SHOCK WAVES, CHEMICAL REACTIONS, DENSITY

Subject Categories : Fluid Mechanics
      Thermodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE