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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Question
![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55a90422-d816-4869-9eeb-9df872659a14%2F1eaff325-3c52-4369-8219-9bb9109f8104%2Fojue3z5_processed.png&w=3840&q=75)
Transcribed Image Text: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.
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