KIN 2503 Lecture : Last AT Lecture
15 Mar 2019
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Evaporation & heat loss: sweats glands-water to skin, sweating does not cause heat loss, evaporation-allows us to cool, evaporation must occur to dissipate heat, 65%- impaired, 75%-stops. If air is filled with water, body loses ability to cool. Monitoring heat index: digital heat index monitor. Measure of external heat: wet bulb globe temperature index (wbgt) Wgbt-different thermometer readings: dry bulb (standard mercury air temperature, wet bulb (measures humidity or evaporation ability, black bulb (black casing that measures radiant heat) Wbgt index: must have wgbt device, utilize chart based on wgbt index, produces an index number, not temperature rating.
