An insulated steam pipe located where the ambient temperature is 32C, has an inside diameter of 40 mm with 5 mm thick wall. The outside diameter of the corrugated asbestos insulation is 115 mm and the surface coefficient of sill air is 11W/meter square –kelvin. Inside the pipe is steam having a temperature of 130 C with film coefficient 7000 13W/meter square –kelvin. Thermal conductivity of pipe and asbestos insulation are 40 and 0.11 W/m-K respectively. Determine the heat loss per unit length of pipe

An insulated steam pipe located where the ambient temperature is 32C, has an inside diameter of 40 mm with 5 mm thick wall. The outside diameter of the corrugated asbestos insulation is 115 mm and the surface coefficient of sill air is 11W/meter square –kelvin. Inside the pipe is steam having a temperature of 130 C with film coefficient 7000 13W/meter square –kelvin. Thermal conductivity of pipe and asbestos insulation are 40 and 0.11 W/m-K respectively. Determine the heat loss per unit length of pipe

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.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.1P: 1.1 On a cold winter day, the outer surface of a 0.2-m-thick concrete wall of a warehouse is exposed...

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