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It is necessary to insulate a flat surface so that the rate of heat loss per unit area of this surface does not exceed 450 W/m?. The temperature difference across the insulating layers is 400 K (127°C). Evaluate the thickness of insulation if (a) the insulation is made of asbestos cement having thermal conductivity of 0.11 W/(m-K)

It is necessary to insulate a flat surface so that the rate of heat loss per unit area of this surface does not exceed 450 W/m?. The temperature difference across the insulating layers is 400 K (127°C). Evaluate the thickness of insulation if (a) the insulation is made of asbestos cement having thermal conductivity of 0.11 W/(m-K)

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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It is necessary to insulate a flat surface so that the rate of heat loss per unit area of this surface does not exceed 450 W/m?. The temperature difference across the insulating layers is 400 K (127°C). Evaluate the thickness of insulation if (a) the insulation is made of asbestos cement having thermal conductivity of 0.11 W/(m-K)
Transcribed Image Text:It is necessary to insulate a flat surface so that the rate of heat loss per unit area of this surface does not exceed 450 W/m?. The temperature difference across the insulating layers is 400 K (127°C). Evaluate the thickness of insulation if (a) the insulation is made of asbestos cement having thermal conductivity of 0.11 W/(m-K)
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