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The maximum evaporative potential of constant wear immersion suits influences the risk of excessive heat strain for helicopter aircrew.

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  • المؤلفون: Hunt AP;Hunt AP;Hunt AP;Hunt AP
  • المصدر:
    PloS one [PLoS One] 2018 May 03; Vol. 13 (5), pp. e0196606. Date of Electronic Publication: 2018 May 03 (Print Publication: 2018).
  • نوع النشر :
    Comparative Study; Journal Article
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: San Francisco, CA : Public Library of Science
    • الموضوع:
      Aerospace Medicine* ; Aircraft* ; Protective Clothing*/adverse effects; Fever/*etiology ; Hot Temperature/*adverse effects ; Occupational Diseases/*etiology; Accidents, Occupational ; Body Temperature Regulation ; Cold Temperature ; Equipment Design ; Humans ; Hypothermia/prevention & control ; Immersion/adverse effects ; Manikins ; Occupational Diseases/prevention & control ; Permeability ; Risk ; Seasons ; Sweating ; Thermal Conductivity ; Volatilization ; Water
    • نبذة مختصرة :
      The heat exchange properties of aircrew clothing including a Constant Wear Immersion Suit (CWIS), and the environmental conditions in which heat strain would impair operational performance, were investigated. The maximum evaporative potential (im/clo) of six clothing ensembles (three with a flight suit (FLY) and three with a CWIS) of varying undergarment layers were measured with a heated sweating manikin. Biophysical modelling estimated the environmental conditions in which body core temperature would elevate above 38.0°C during routine flight. The im/clo was reduced with additional undergarment layers, and was more restricted in CWIS compared to FLY ensembles. A significant linear relationship (r2 = 0.98, P<0.001) was observed between im/clo and the highest wet-bulb globe temperature in which the flight scenario could be completed without body core temperature exceeding 38.0°C. These findings provide a valuable tool for clothing manufacturers and mission planners for the development and selection of CWIS's for aircrew.
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    • الرقم المعرف:
      059QF0KO0R (Water)
    • الموضوع:
      Date Created: 20180504 Date Completed: 20180808 Latest Revision: 20241107
    • الموضوع:
      20250114
    • الرقم المعرف:
      PMC5933755
    • الرقم المعرف:
      10.1371/journal.pone.0196606
    • الرقم المعرف:
      29723267