Most of the energy we consume as food is converted to thermal energy in the process of
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Most of the energy we consume as food is converted to thermal energy in the process of performing all our bodily functions and is ultimately lost as heat from our bodies. Consider a person who consumes 2100 kcal per day (note that what are commonly referred to as food calories are actually kilocalories), of which 2000 kcal is converted to thermal energy. (The remaining 100 kcal is used to do work on the environment.) The person has a surface area of 1.8 m 2 and is dressed in a bathing suit.
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KNOWN Daily thermal energy generation surface area temperature of the environment and heat transfer coefficient FIND a Skin temperature when the temperature of the environment is 20C and b Rate of per...View the full answer
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Related Book For
Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
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