W mᵒC A furnace is wall 300 mm thick is made up of an inner layer of fire brick K=0.80- covered with a layer of insulation (K = 0.16 w/m°C). The furnace operates at 1200°C and the ambient temperature is 25°C. Calculate the thickness (mm) of insulation which gives minimum heat loss? Assume that insulating material has a maximum temperature of 1050 °C

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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mᵒC
A furnace is wall 300 mm thick is made up of an inner layer of fire brick K=0.80-
covered with a layer of insulation (K = 0.16 w/m°C). The furnace operates at 1200°C and
the ambient temperature is 25°C. Calculate the thickness (mm) of insulation which gives
minimum heat loss?
Assume that insulating material has a maximum temperature of 1050 °C
Transcribed Image Text:W mᵒC A furnace is wall 300 mm thick is made up of an inner layer of fire brick K=0.80- covered with a layer of insulation (K = 0.16 w/m°C). The furnace operates at 1200°C and the ambient temperature is 25°C. Calculate the thickness (mm) of insulation which gives minimum heat loss? Assume that insulating material has a maximum temperature of 1050 °C
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