Q: Flow of hot air through uninsulated square ducts of a heating system in the attic. Determine the exit temperature and the rate of heat loss. Taking k = 0.02953 W/m.C, u= 2.097x10 m'is, Pr 0.7154 , 0.9994 kg/m C,=1008 Jkg."C Ans : 75.7 "C, 941.1 W A
Q: Flow of hot air through uninsulated square ducts of a heating system in the attic. Determine the exit temperature and the rate of heat loss. Taking k = 0.02953 W/m.C, u= 2.097x10 m'is, Pr 0.7154 , 0.9994 kg/m C,=1008 Jkg."C Ans : 75.7 "C, 941.1 W A
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.
Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.8P
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![Q:: Flow of hot air through uninsulated square ducts of a heating system
in the attic . Determine the exit temperature and the rate of heat loss.
Taking k = 0.02953 W/m. C, v= 2.097x10* mis, Pr = 0.7154,
kg/m
C,=1008
Ans : 75.7 "C , 941.1 W
Jkg."C
rP = 0.9994
Tom
0mmin](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5e03779-e464-4c32-b67d-b750e45d3ce4%2Fee718113-9573-4735-8008-f82a1470683b%2F4k2zc9s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q:: Flow of hot air through uninsulated square ducts of a heating system
in the attic . Determine the exit temperature and the rate of heat loss.
Taking k = 0.02953 W/m. C, v= 2.097x10* mis, Pr = 0.7154,
kg/m
C,=1008
Ans : 75.7 "C , 941.1 W
Jkg."C
rP = 0.9994
Tom
0mmin
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