20. Heat and Temperature
Heat Transfer
3:58 minutes
Problem 19.82
Textbook Question
Textbook QuestionEstimate the rate at which heat can be conducted from the interior of the body to the surface. As a model, assume that the thickness of tissue is 4.0 cm, that the skin is at 34°C and the interior at 37°C, and that the surface area is 1.5m² . Compare this to the measured value of about 230 W that must be dissipated by a person working lightly. This clearly shows the necessity of convective cooling by the blood.
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