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

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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Question

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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