An average person generates heat at a rate of 84 W while resting. Assuming one-quarter of this
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An average person generates heat at a rate of 84 W while resting. Assuming one-quarter of this heat is lost from the head and disregarding radiation, determine the average surface temperature of the head when it is not covered and is subjected to winds at 10°C and 25 km/h. The head can be approximated as a 30-cm-diameter sphere. Assume a surface temperature of 15°C for evaluation of μs. Is this a good assumption?
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To determine the average surface temperature of the head when it is not covered and subjected to wind at 10C and 25 kmh we can consider the heat transfer from the head to the surrounding air due to co...View the full answer
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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