A vertical cylinder 6 ft tall and 1 ft in diameter might be used to approximate a

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A vertical cylinder 6 ft tall and 1 ft in diameter might be used to approximate a man for heat-transfer purposes. Suppose the surface temperature of the cylinder is 78ºF, h = 2 Btu/h · ft2 · ºF, the surface emissivity is 0.9, and the cylinder is placed in a large room where the air temperature is 68ºF and the wall temperature is 45ºF. Calculate the heat lost from the cylinder. Repeat for a wall temperature of 80ºF. What do you conclude from these calculations?
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Heat Transfer

ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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