Accession Number : AD0647828

Title :   SENSIBLE HEAT TRANSFER IN THE GEMINI AND APOLLO PRESSURE SUITS.

Descriptive Note : Final rept. Nov 65-Aug 66,

Corporate Author : KENTUCKY UNIV LEXINGTON

Personal Author(s) : Funk,J. E. ; Moegling,J. B. ; Drake,R. M. , Jr. ; Hall,J. F. , Jr. ; Klemm,F. K.

Report Date : DEC 1966

Pagination or Media Count : 94

Abstract : The results of an experimental program to determine sensible heat transfer effects in the Gemini and Apollo pressure suits are reported. A copper manikin maintained at a constant surface temperature was used and the overall average body surface heat flux and the regional heat flux distribution were measured. The environmental variables studied were ventilating air flowrate, velocity of the air moving over and around the outside surface of the suit, and prevailing pressure. In addition, the following determinations were made: the heat transfer coefficient between the manikin surface and the ventilating air, the overall thermal conductance between the ventilating air and the air moving over the outside surface of the suit, the thermal emissivity of the Gemini suit, and the convection coefficient between the outside surface of the Gemini suit and the air moving over the outside of the suit. These data may be used for heat balances, determination of temperatures, and evaluation of the insulation value of the suit and outside air. The insulation value for the air ambient to the Gemini suit was found to follow a relationship different from the empirical equation for a nude manikin. (Author)

Descriptors :   (*PRESSURE SUITS, HEAT TRANSFER), SURFACE TEMPERATURE, HUMAN BODY, HEAT FLUX, ENVIRONMENTAL TESTS, HEAT TRANSFER COEFFICIENTS, CONVECTION(HEAT TRANSFER), TEMPERATURE, SPACE ENVIRONMENTS

Subject Categories : Protective Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE