Heat is generated in a 3-cm-diameter spherical radioactive material uniformly at a rate of 15 W/cm 3
Question:
Heat is generated in a 3-cm-diameter spherical radioactive material uniformly at a rate of 15 W/cm3. Heat is dissipated to the surrounding medium at 25°C with a heat transfer coefficient of 120 W/m2·K. The surface temperature of the material in steady operation is
(a) 56°C
(b) 84°C
(c) 494°C
(d) 650°C
(e) 108°C
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The correct answer is b 84C We can use the following equation to calcul...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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