Steel pipe 3 cm thick, 1.0 m long and 8 cm deep, covered with 4 cm thick insulation. The wall temperature in the steel pipe is 100 ° C. The ambient temperature around the insulated pipe is 24 ° C. The convection heat transfer coefficient outside the insulation surface is 50 W / (m² K). The thermal conductivity of steel is 54 W / (m K), and the thermal conductivity of the insulation is 0.04 W / (m K). Count; a. Heat loss per meter of pipe = Answer watts. b. Temperature between steel pipe and insulation. = Answer ° C.
Steel pipe 3 cm thick, 1.0 m long and 8 cm deep, covered with 4 cm thick insulation. The wall temperature in the steel pipe is 100 ° C. The ambient temperature around the insulated pipe is 24 ° C. The convection heat transfer coefficient outside the insulation surface is 50 W / (m² K). The thermal conductivity of steel is 54 W / (m K), and the thermal conductivity of the insulation is 0.04 W / (m K). Count; a. Heat loss per meter of pipe = Answer watts. b. Temperature between steel pipe and insulation. = Answer ° C.
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 1.50P: A steam pipe 200 mm in diameter passes through a large basement room. The temperature of the pipe...
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Steel pipe 3 cm thick, 1.0 m long and 8 cm deep, covered with 4 cm thick insulation. The wall temperature in the steel pipe is 100 ° C. The ambient temperature around the insulated pipe is 24 ° C. The convection heat transfer coefficient outside the insulation surface is 50 W / (m² K). The thermal conductivity of steel is 54 W / (m K), and the thermal conductivity of the insulation is 0.04 W / (m K). Count;
a. Heat loss per meter of pipe = Answer watts.
b. Temperature between steel pipe and insulation. = Answer ° C.
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