Benefit of heat acclimation is limited by the evaporative potential when wearing chemical protective clothing

Article Abstract:

Chemical protective suits protect the wearers from a range of external threats, but they also create an inhospitable environment, adding to thermal insulation and impeding the evaporative heat dissipating ability of the body. The effects of heat acclimation in a hot environment on evaporative heat loss and skin surface heat flux in volunteers clothed in US military chemical protective garments were assessed. Increases during heat acclimation-induced sweating can reduce heat strain for chemical protective garment wearers if the garment allows sufficient evaporative heat dissipation.

Perspiration

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Multi-loop control of liquid cooling garment systems

Article Abstract:

A study investigates the possibility of automatic multi-loop control of a triple-loop liquid cooling garment (LCG) typically used in aviation, aerospace and other industrial environments. It was learned that the use of triple-loop LCG improves thermal comfort and reduces cardiovascular strain as it evenly distributes heat within the covered parts of the subject. The configuration also effectively blocks external heat while suppressing internally-generated heat. The LCG also allows for effective skin cooling control.

Physiological aspects, Body temperature regulation, Temperature control

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Efficacy of a water-cooled garment for auxiliary body cooling in heat

Article Abstract:

A study was conducted to determine the effectiveness of an auxiliary water-cooled jacket for human body cooling in a simulated hot environment. The jacket was equipped with three layers of water-recirculating vest made of cotton and a coating of rubberized solution. The results indicate that under temperatures of 35 and 40 degrees celsius, the water-cooled jacket was able to lower microclimate and skin temperature while maintaining core temperature within 36.7 to 37.5 degrees celsius.

Analysis, Innovations, Temperature, Coats, Evaporation, Cooling

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