On a still clear night, the sky appears to be a blackbody with an equivalent temperature of
Question:
On a still clear night, the sky appears to be a blackbody with an equivalent temperature of 250 K. What is the air temperature when a strawberry field cools to 0°C and freezes if the heat transfer coefficient between the plants and air is 6 W/m2 · K because of a light breeze and the plants have an emissivity of 0.9?
(a) 14°C
(b) 7°C
(c) 3°C
(d) 0°C
(e) 23°C
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Step by Step Answer:
To solve this problem you can use the StefanBoltzmann law which relates the radiation heat transfer ...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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