A furnace of 50x50x60-cm outside dimensions is constructed of materials having different thermal conductivities. The thermal conductivity of the top and the bottom walls is [k=6 W/m K] whereas the thermal conductivity of the other sides is [k=12 W/m K]. The wall thickness is 10 cm. The inner surface temperatures is 300°C and the outer temperature is 50°C. Calculate the heat loss through the furnace walls. A area of wall L= wall thickness D= length of edge Swall == A L Sedge=0.54D Scomer = 0.15L

A furnace of 50x50x60-cm outside dimensions is constructed of materials having different thermal conductivities. The thermal conductivity of the top and the bottom walls is [k=6 W/m K] whereas the thermal conductivity of the other sides is [k=12 W/m K]. The wall thickness is 10 cm. The inner surface temperatures is 300°C and the outer temperature is 50°C. Calculate the heat loss through the furnace walls. A area of wall L= wall thickness D= length of edge Swall == A L Sedge=0.54D Scomer = 0.15L

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 1.10P: 1.10 A heat flux meter at the outer (cold) wall of a concrete building indicates that the heat loss...

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