Solar radiation is incident on an opaque surface at a rate of 400 W/m 2 . The
Question:
Solar radiation is incident on an opaque surface at a rate of 400 W/m2. The emissivity of the surface is 0.65 and the absorptivity to solar radiation is 0.85. The convection coefficient between the surface and the environment at 25°C is 6 W/m2 · K. If the surface is exposed to atmosphere with an effective sky temperature of 250 K, the equilibrium temperature of the surface is
(a) 281 K
(b) 298 K
(c) 303 K
(d) 317 K
(e) 339 K
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To find the equilibrium temperature of the surface you can use the equation ...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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