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[Thermal physiological analysis of man in an Intravehicular Activity space suit]
Abstract
Objective:
To analyze the thermal physiological changes of man in a Intravehicular Activity (IVA) space suit.
Method:
Combined second design was used to arrange 24 tests in 6 young male subjects wearing an IVA space suit at sea level.
Result:
The relationship between common thermal physiological measurements and air ventilating parameters (air temperature, flow rate and its relative humidity) together with metabolic state (rest or work) of man were established in mathematical models. Possible applications of these models were illustrated. Metabolic heat production which influences the relations was also discussed.
Conclusion:
Thermal physiological changes of man in the space suit were properly expressed by the mathematical models in this paper.