Increasing heatloss from the body surface exposed to hyperbaric heliox environment induces a significant diuresis and less performance unless they do not control the ambient temperature and humidity thermoneutrally. On the contrary, it may easily occur the heatstroke due to the decrease of evaporative heat transfer. Thus, it is very important to determine quantitatively the body convective heat transfer coefficient (hc) as a parameter of designing a safer life-support system. This paper reports on the hc of resting and working subjects at normal and high ventilated conditions when Japan Marine Science and Technology Center (JAMSTEC) has carried out the saturation dive experiments at 26-31 ATA in 1978 and 1979. At thermal comfort zone it was measured skin and rectal temperatures, metabolic rates, and decreasing rates of body weight of subjects, then various factors of the body heat balance were calculated by the equations.
Convective heat transfer coefficient of the human body in hyperbaric helium-oxygen mixed gas environment
Waermeleitungskoeffizient des menschlichen Koerpers in einer Hoechstdruck-Helium-Sauerstoffatmosphaere
IEA '82. The 8th Congress of the Int. Ergonomics Ass. ; Aug ; 302-303
1982
2 Seiten, 3 Bilder, 2 Quellen
Aufsatz (Konferenz)
Englisch
ERGONOMIE , WAERMELEITUNG , MENSCH , KOERPER (ANATOMIE) , HOCHDRUCK (MECHANIK) , HELIUM , SAUERSTOFF , GASATMOSPHAERE , WAERMELEITZAHL , TEMPERATUR , FEUCHTE , PRAKTISCHE UNTERSUCHUNG , TEMPERATURMESSUNG , GEWICHT , BERECHNUNG , TAUCHEN , TIEFSEE , WAERMEKONVEKTION , UMGEBUNGSTEMPERATUR , PHYSIOLOGISCHE UNTERSUCHUNG , STOFFWECHSEL
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