2. A pipe with:ID: 130mmOD: 165mmk=15 W/m?-KL= 2mis insulated with several materials, and convection on the inside and outside of the pipe is asfollows. Oil inside is at 118°C and air outside is at 25°CKA or h10.256 W/m2-KMaterialThicknessA25mmВ2.369 W/m2-K30mmC0.257 W/m2-K40mmh=120.3T2/3 (T in K)h=0.272/3 (T in K)Oil insideAir outsideDetermine the heat losses of the pipe, and what must be the temperature of the oil to decreasethe heat losses by 20%?

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165mm W/m?-K ulated with several materials, and convection on the inside and outside of the pipe is a 's. Oil inside is at 118°C and air outside is at 25°C erial KA or h 10.256 W/m2-K 2.369 W/m2-K 0.257 W/m2-K h=120.3T2/3 (T in K) h=0.272/3 (T in K) Thickness 25mm 30mm 40mm nside putside mine the heat losses of the pipe, and what must be the temperature of the oil to decreas eat losses by 20%?

165mm W/m?-K ulated with several materials, and convection on the inside and outside of the pipe is a 's. Oil inside is at 118°C and air outside is at 25°C erial KA or h 10.256 W/m2-K 2.369 W/m2-K 0.257 W/m2-K h=120.3T2/3 (T in K) h=0.272/3 (T in K) Thickness 25mm 30mm 40mm nside putside mine the heat losses of the pipe, and what must be the temperature of the oil to decreas eat losses by 20%?

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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