A 50 mm diameter steel pipe is covered with 42 mm thick layer of material A with (KA = 0.07 W/mK) which is in turn covered with an insulation (kB= 0.048 W/mK) of 24 mm thick. the temperature of the steel air outside is 305 K and the outer surface of the insulation material is 370 K. -Calculate the heat transfer rate across the pipe wall -Calculate the interfacial temperature between material A and the insulation B.

A 50 mm diameter steel pipe is covered with 42 mm thick layer of material A with (KA = 0.07 W/mK) which is in turn covered with an insulation (kB= 0.048 W/mK) of 24 mm thick. the temperature of the steel air outside is 305 K and the outer surface of the insulation material is 370 K. -Calculate the heat transfer rate across the pipe wall -Calculate the interfacial temperature between material A and the insulation B.

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.

Chapter4: Numerical Analysis Of Heat Conduction

Section: Chapter Questions

Problem 4.54P

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