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oblem: A furnace wall is constructed of fire brick, insulating brick and common brick, h of 10 cm thick. The temperatures of the inner and outer surfaces are 900°C and 40°C spectively. If the area of the furnace wall is 50 m². What is the heat loss rate from the mace? What is the temperature at the junction at the fire brick and insulating brick? 60 ata given, hermal conductivity of fire brick = 1 kcal/hr. mºC - Thermal conductivity of insulating brick = 0.078 kcal/hr. mºC Thermal conductivity of common brick = 0.6 kcal/hr. mºC

oblem: A furnace wall is constructed of fire brick, insulating brick and common brick, h of 10 cm thick. The temperatures of the inner and outer surfaces are 900°C and 40°C spectively. If the area of the furnace wall is 50 m². What is the heat loss rate from the mace? What is the temperature at the junction at the fire brick and insulating brick? 60 ata given, hermal conductivity of fire brick = 1 kcal/hr. mºC - Thermal conductivity of insulating brick = 0.078 kcal/hr. mºC Thermal conductivity of common brick = 0.6 kcal/hr. mºC

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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oblem: A furnace wall is constructed of fire brick, insulating brick and common brick, h of 10 cm thick. The temperatures of the inner and outer surfaces are 900°C and 40°C spectively. If the area of the furnace wall is 50 m². What is the heat loss rate from the mace? What is the temperature at the junction at the fire brick and insulating brick? ch ata given, Thermal conductivity of fire brick = 1 kcal/hr. mºC Thermal conductivity of insulating brick = 0.078 kcal/hr. mºC Thermal conductivity of common brick = 0.6 kcal/hr. mºC Problem: The insulating materials chrombrick, magnesite and refractory brick are arranged in series to constitute a furnace wall. The magnesite and refractory brick can't withstan- emperature above 750°C and 300°C respectively. Find thickness of the wall, so that the hea Oss cannot exceed 400 kcal/hr.m², when inside and outside temperature of furnace walls a 1250°C and 100°C respectively. hermal conductivity of chrombrick = 0.99 kcal/hr. mºC ermal conductivity of magnesite brick = 3.27 kcal/hr. mºC kcal/hr. mºC
Transcribed Image Text:oblem: A furnace wall is constructed of fire brick, insulating brick and common brick, h of 10 cm thick. The temperatures of the inner and outer surfaces are 900°C and 40°C spectively. If the area of the furnace wall is 50 m². What is the heat loss rate from the mace? What is the temperature at the junction at the fire brick and insulating brick? ch ata given, Thermal conductivity of fire brick = 1 kcal/hr. mºC Thermal conductivity of insulating brick = 0.078 kcal/hr. mºC Thermal conductivity of common brick = 0.6 kcal/hr. mºC Problem: The insulating materials chrombrick, magnesite and refractory brick are arranged in series to constitute a furnace wall. The magnesite and refractory brick can't withstan- emperature above 750°C and 300°C respectively. Find thickness of the wall, so that the hea Oss cannot exceed 400 kcal/hr.m², when inside and outside temperature of furnace walls a 1250°C and 100°C respectively. hermal conductivity of chrombrick = 0.99 kcal/hr. mºC ermal conductivity of magnesite brick = 3.27 kcal/hr. mºC kcal/hr. mºC
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