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  • Title: Immersion cooling: effect of clothing and skinfold thickness.
    Author: Nunneley SA, Wissler EH, Allan JR.
    Journal: Aviat Space Environ Med; 1985 Dec; 56(12):1177-82. PubMed ID: 4084171.
    Abstract:
    Accidental immersion often involves the threat of death due to hypothermia. Clothing to control heat loss in water is generally selected to minimize bulk while providing the necessary protection. While water temperature (Tw) and possible immersion time are often considered, another relevant variable is the insulation provided by subcutaneous fat. This paper describes the use of a sophisticated computer model to explore the interactions among skinfold thickness (6-20 mm mean weighted value), clothing insulation (0.06-0.23 clo, immersed), and Tw (0-20 degrees C), in producing critical hypothermia (arterial temperature less than or equal to 34 degrees C). Results indicate that subcutaneous fat strongly affects heat loss even with heavy clothing. Discussion includes examples of the possible use of skinfold data to improve specification of protective clothing for groups and allow special clothing prescription for individuals.
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