Q1: A steel pipe (K = 45.0 W/m.K) having a 1.96 in O.D is covered with a 1.65 in thick layer of magnesia (K = 0.07W/m.K) which in turn covered with a 0.024 m layer of fiberglass insulation (K = 0.048 W/m.K). The pipe wall outside temperature is 205 °F and the outer surface temperature of the fiberglass is 95 °F. What is the interfacial temperature between the magnesia and fiberglass? Also calculate the steady state heat transfer. %3D

Q1: A steel pipe (K = 45.0 W/m.K) having a 1.96 in O.D is covered with a 1.65 in thick layer of magnesia (K = 0.07W/m.K) which in turn covered with a 0.024 m layer of fiberglass insulation (K = 0.048 W/m.K). The pipe wall outside temperature is 205 °F and the outer surface temperature of the fiberglass is 95 °F. What is the interfacial temperature between the magnesia and fiberglass? Also calculate the steady state heat transfer. %3D

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 6.4P: An electrical transmission line of 1.2-cm diameter carries a current of 200 amps and has a...

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