A steam pipe line of 150/160 mm in diameter is covered with layer of heat insulating material of thickness 100 mm. Thermal conductivity of tube is 50 W/m deg C or kcal/m-hr-deg C and Ains,mat = 0.09 kcal/m- hr-deg C. Temperature of pipeline inside surface is 400 deg C and temperature of the outside surface of insulating surface is 50deg C. Find loss of heat from length of 1m of pipeline and temperature at interface of insulation.

A steam pipe line of 150/160 mm in diameter is covered with layer of heat insulating material of thickness 100 mm. Thermal conductivity of tube is 50 W/m deg C or kcal/m-hr-deg C and Ains,mat = 0.09 kcal/m- hr-deg C. Temperature of pipeline inside surface is 400 deg C and temperature of the outside surface of insulating surface is 50deg C. Find loss of heat from length of 1m of pipeline and temperature at interface of insulation.

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.

Chapter2: Steady Heat Conduction

Section: Chapter Questions

Problem 2.62P

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