Several air-cooled systems and one water-cooled system worn under flight clothing were evaluated. The subjects were exposed to an environment of 43 C/45 mm Hg water vapor pressure at sea level. Sweat loss, body temperature, and heart rate measurements were taken. All systems were found to ameliorate discomfort with the water-cooled system showing slight enhancement over air systems. Provisions for cooling the face decreased discomfort. Optimal ventilating systems are proposed for permeable and impermeable clothing. (Author)


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    Title :

    Efficacy of Ventilating Systems


    Contributors:

    Publication date :

    1970


    Size :

    9 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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