Hol air flows withuninsnlated sheet metal duct of diameter 0.15m.The hotair enters at a temp. of 103c anda after a distance of 5m,cools to 77E. The heat transfer Coefficient between theduet outer suface and the ambient air at Too =°c isIenown to be 6 w/mk.D Calaulate the heat loss from the duct d over the lang th2) Determine the heat flux and the duct surfaces temp.at x=La mass rate of o.os ka/s through0-05 kg/s throughantube

Determine the bulk mean temperature and find the properties of air at the given condition as…

a mass rate of o.05 kg/s through an Hol air flows with uninsnlated sheet metal duct of diameter 0.15m. The hot air enters at a temp. of 103c anda after a distance of 5m, cools to 77E. The heat transfer Coefficient between the duet outer surface and the ambient air at To=°c is Ienown to be 6 w/nik. D Calculate the heat loss from the duct dover the' lang th O) Ddermine the heat flux and the duct surfaces temp. tube

a mass rate of o.05 kg/s through an Hol air flows with uninsnlated sheet metal duct of diameter 0.15m. The hot air enters at a temp. of 103c anda after a distance of 5m, cools to 77E. The heat transfer Coefficient between the duet outer surface and the ambient air at To=°c is Ienown to be 6 w/nik. D Calculate the heat loss from the duct dover the' lang th O) Ddermine the heat flux and the duct surfaces temp. tube

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.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.28P

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Question

Hol air flows with
uninsnlated sheet metal duct of diameter 0.15m.The hot
air enters at a temp. of 103c anda after a distance of 5m,
cools to 77E. The heat transfer Coefficient between the
duet outer suface and the ambient air at Too =°c is
Ienown to be 6 w/mk.
D Calaulate the heat loss from the duct d over the lang th
2) Determine the heat flux and the duct surfaces temp.
at x=L
a mass rate of o.os ka/s through
0-05 kg/s through
an
tube

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