Accession Number : AD0654433

Title :   AN EXPERIMENTAL EVALUATION OF THE INSULATED-MASS TECHNIQUE OF MEASURING HEAT TRANSFER AT HIGH VELOCITIES,

Corporate Author : TEXAS UNIV AUSTIN DEFENSE RESEARCH LAB

Personal Author(s) : Westkaemper,J. C.

Report Date : MAR 1959

Pagination or Media Count : 57

Abstract : An experimental evaluation was made of the insulated-mass method of measuring heat transfer rates in air flows at supersonic speeds. This method consists of measuring the rate of change of temperature with time of an insulated mass of known heat capacity. Wind tunnel tests of a flat plate model at Mach Number 5.01 were made to determine the effect of several qualities of insulation. The tests indicated a strong influence of insulation on the results, but a suitable insulation was obtained and satisfactory heat transfer coefficients were obtained. A survey of heat transfer along the flat plate was made and the results are compared with turbulent flow theories. (Author)

Descriptors :   (*HEAT TRANSFER, MEASUREMENT), (*AERODYNAMIC HEATING, MEASUREMENT), HYPERSONIC FLIGHT, ATMOSPHERE ENTRY, THERMODYNAMICS, SUPERSONIC FLOW, THERMAL INSULATION, FLAT PLATE MODELS, HEAT TRANSFER COEFFICIENTS

Subject Categories : Aerodynamics
      Fluid Mechanics
      Thermodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE