A copper pipe that carries refrigerant at - 20 ° Chas an outer diameter of 10 mm and is exposed toair at 25 ° C whose coefficient of heat transfer byair convection is h = 50 W/(m ^ 2 • K) . It isproposed to apply insulation with a conductivity ofk = 0.5 W/ (m • K). Determine the thickness beyondwhich heat transfer to the pipe will be reduced.Calculate the heat transfer for insulationthicknesses of 2.5, 5 and 7.5 mm, for this considera section of pipe 1 m long.%3D

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A copper pipe that carries refrigerant at - 20 ° C has an outer diameter of 10 mm and is exposed to air at 25 ° C whose coefficient of heat transfer by air convection is h = 50 W/ (m ^2 • K) . It is proposed to apply insulation with a conductivity of < = 0.5 W/(m • K). Determine the thickness beyond which heat transfer to the pipe will be reduced. Calculate the heat transfer for insulation chicknesses of 2.5, 5 and 7.5 mm, for this consider a section of pipe 1 m long.

A copper pipe that carries refrigerant at - 20 ° C has an outer diameter of 10 mm and is exposed to air at 25 ° C whose coefficient of heat transfer by air convection is h = 50 W/ (m ^2 • K) . It is proposed to apply insulation with a conductivity of < = 0.5 W/(m • K). Determine the thickness beyond which heat transfer to the pipe will be reduced. Calculate the heat transfer for insulation chicknesses of 2.5, 5 and 7.5 mm, for this consider a section of pipe 1 m long.

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 2.18P: Estimate the rate of heat loss per unit length from a 5-cm ID, 6-cm OD steel pipe covered with...

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