A flat wall is exposed to an environmental temperature of 38oC. The wall is coveredwith a layer of insulation 2.5 cm thick whose thermal conductivity is 1.4 W/moC,and the temperature of the wall on the inside of the insulation is 315oC. The wallloses heat to the environment by convection. Compute the value of the convectionheat-transfer coefficient that must be maintained on the outer surface of the insulationto ensure that the outer-surface temperature does not exceed 41oC
A flat wall is exposed to an environmental temperature of 38oC. The wall is coveredwith a layer of insulation 2.5 cm thick whose thermal conductivity is 1.4 W/moC,and the temperature of the wall on the inside of the insulation is 315oC. The wallloses heat to the environment by convection. Compute the value of the convectionheat-transfer coefficient that must be maintained on the outer surface of the insulationto ensure that the outer-surface temperature does not exceed 41oC
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 2.41P: Both ends of a 0.6-cm copper U-shaped rod are rigidly affixed to a vertical wall as shown in the...
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Question 3:A flat wall is exposed to an environmental temperature of 38oC. The wall is coveredwith a layer of insulation 2.5 cm thick whose thermal conductivity is 1.4 W/moC,and the temperature of the wall on the inside of the insulation is 315oC. The wallloses heat to the environment by convection. Compute the value of the convectionheat-transfer coefficient that must be maintained on the outer surface of the insulationto ensure that the outer-surface temperature does not exceed 41oC.
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