Consider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of the roof and the walls of the shed is to be maintained at least 20°C on a quiescent night when outside temperature is 0°C and sky temperature is -15°C. What is the total heat loss heat loss from the building?Ignore the heat transfer through the ground. Assume the emissivity of the walls and roofs is 0.75.
Consider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of the roof and the walls of the shed is to be maintained at least 20°C on a quiescent night when outside temperature is 0°C and sky temperature is -15°C. What is the total heat loss heat loss from the building?Ignore the heat transfer through the ground. Assume the emissivity of the walls and roofs is 0.75.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.7P
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![Consider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of the
roof and the walls of the shed is to be maintained at least 20°C on a quiescent night when outside
temperature is 0°C and sky temperature is -15°C. What is the total heat loss heat loss from the
building?Ignore the heat transfer through the ground. Assume the emissivity of the walls and roofs
is 0.75.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa98826ed-93d7-49da-875e-52fffa05ebd9%2Feba95245-32af-4aca-9bea-25c895587878%2Fogs5sw_processed.png&w=3840&q=75)
Transcribed Image Text:Consider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of the
roof and the walls of the shed is to be maintained at least 20°C on a quiescent night when outside
temperature is 0°C and sky temperature is -15°C. What is the total heat loss heat loss from the
building?Ignore the heat transfer through the ground. Assume the emissivity of the walls and roofs
is 0.75.
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