A cylinder 6”in diameter and 18”long is suspended horizontally in a large room. The air and wall surfaces of the room are at a temperature of 60 °F while the surface temperature of the cylinder is 440 °F. Compute (a) the surface coefficient due to free convection, (b) the heat transferred by free convection (neglecting the end areas), (c) the surface coefficient due to radiation if the surface emissivity is 0.75, and (d) the total heat transferred by free convection and radiation (neglecting end areas)
A cylinder 6”in diameter and 18”long is suspended horizontally in a large room. The air and wall surfaces of the room are at a temperature of 60 °F while the surface temperature of the cylinder is 440 °F. Compute (a) the surface coefficient due to free convection, (b) the heat transferred by free convection (neglecting the end areas), (c) the surface coefficient due to radiation if the surface emissivity is 0.75, and (d) the total heat transferred by free convection and radiation (neglecting end areas)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A cylinder 6”in diameter and 18”long is suspended horizontally in a large
room. The air and wall surfaces of the room are at a temperature of 60 °F
while the surface temperature of the cylinder is 440 °F. Compute (a) the
surface coefficient due to free convection, (b) the heat transferred by free
convection (neglecting the end areas), (c) the surface coefficient due to
radiation if the surface emissivity is 0.75, and (d) the total heat
transferred by free convection and radiation (neglecting end areas)
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