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Evaluation of vapor permeation through garments during exercise

Evaluation of vapor permeation through garments during exercise School of Medicine, GONZALEZ,RICHARD R., AND K. CENA. Evaluation of vapor through garments during . J. Appl. Physiol. 58(3): 928-935,19&X-Five males [age 28 t 8 yr; maximum O2 uptake (90 2 ,,,) 50 t 6 ml O2 kg-l. min-‘; body wt 70 t 3 kg; DuBois surface area 1.85 t 0.02 m’] d on a cycle ergometer, placed on a Potter scale, at 31% vo2max for up to 2 h at an ambient temperature (T,) of 25°C and a dew-point temperature of 15°C. Air movement was varied from still air to 0.4 and 2 m/s. Each subject, in separate runs, wore a track suit (TS ensemble) of 60% polyester-40% cotton (effective clo = 0.5); a Gortex parka (GOR ensemble), covering a sweat shirt and bottom of TS (effective clo = 1.4); or the TS ensemble covered by polyethylene overgarment (POG ensemble). Esophageal, skin temperature (TJ at eight sites, and heart rate were continuously recorded. Dew-point sensors recorded temperatures under the garments at ambient and chest (windward site) and midscapular sites. Local skin wettedness (lot w) and ratio of evaporative heat loss ( Esk) to maximum evaporative capacity were determined. An observed average effective (P,, WornB2 . Torr-‘) was http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Physiology The American Physiological Society

Evaluation of vapor permeation through garments during exercise

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Publisher
The American Physiological Society
Copyright
Copyright © 1985 the American Physiological Society
ISSN
8750-7587
eISSN
1522-1601
Publisher site
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Abstract

School of Medicine, GONZALEZ,RICHARD R., AND K. CENA. Evaluation of vapor through garments during . J. Appl. Physiol. 58(3): 928-935,19&X-Five males [age 28 t 8 yr; maximum O2 uptake (90 2 ,,,) 50 t 6 ml O2 kg-l. min-‘; body wt 70 t 3 kg; DuBois surface area 1.85 t 0.02 m’] d on a cycle ergometer, placed on a Potter scale, at 31% vo2max for up to 2 h at an ambient temperature (T,) of 25°C and a dew-point temperature of 15°C. Air movement was varied from still air to 0.4 and 2 m/s. Each subject, in separate runs, wore a track suit (TS ensemble) of 60% polyester-40% cotton (effective clo = 0.5); a Gortex parka (GOR ensemble), covering a sweat shirt and bottom of TS (effective clo = 1.4); or the TS ensemble covered by polyethylene overgarment (POG ensemble). Esophageal, skin temperature (TJ at eight sites, and heart rate were continuously recorded. Dew-point sensors recorded temperatures under the garments at ambient and chest (windward site) and midscapular sites. Local skin wettedness (lot w) and ratio of evaporative heat loss ( Esk) to maximum evaporative capacity were determined. An observed average effective (P,, WornB2 . Torr-‘) was

Journal

Journal of Applied Physiology – The American Physiological Society

Published: Mar 1, 1985

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