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A laboratory furnace wall is constructed of 0.2 m thick fire clay bricks (k = 1.0 W/(m-K)). The wall is covered on the outer surface with a thick layer of insulating material (k = 0.07 W/(m-K)). The furnace inner brick surface is at 1250 K and the outer surface of the insulating material is at 310 K. If the maximum allowable heat transfer rate through the wall of the furnace is 900 W/m2, how thick must the insulating layer be

A laboratory furnace wall is constructed of 0.2 m thick fire clay bricks (k = 1.0 W/(m-K)). The wall is covered on the outer surface with a thick layer of insulating material (k = 0.07 W/(m-K)). The furnace inner brick surface is at 1250 K and the outer surface of the insulating material is at 310 K. If the maximum allowable heat transfer rate through the wall of the furnace is 900 W/m2, how thick must the insulating layer be

Introduction to Chemical Engineering Thermodynamics
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
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A laboratory furnace wall is constructed of 0.2 m thick fire clay bricks (k = 1.0 W/(m-K)). The wall is covered on the outer surface with a thick layer of insulating material (k = 0.07 W/(m-K)). The furnace inner brick surface is at 1250 K and the outer surface of the insulating material is at 310 K. If the maximum allowable heat transfer rate through the wall of the furnace is 900 W/m2, how thick must the insulating layer be?

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