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The wall of a pipe of radius 1 m is at a uniform temperature of 200°C, and is covered by insulation of thickness 0.1 m. The ambient air outside the insulated pipe is at 20°C and has heat transfer coefficient of 10 W m 2K¹. The thermal conductivity of the insulation material is 0.05 W m ¹K¹. If the heat transfer occurs at steady state, the temperature (in °C) of the outer surface of insulation is (rounded off to second decimal place).

The wall of a pipe of radius 1 m is at a uniform temperature of 200°C, and is covered by insulation of thickness 0.1 m. The ambient air outside the insulated pipe is at 20°C and has heat transfer coefficient of 10 W m 2K¹. The thermal conductivity of the insulation material is 0.05 W m ¹K¹. If the heat transfer occurs at steady state, the temperature (in °C) of the outer surface of insulation is (rounded off to second decimal place).

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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The wall of a pipe of radius 1 m is at a uniform temperature of 200°C, and is covered by insulation of thickness 0.1 m. The ambient air outside the insulated pipe is at 20°C and has heat transfer coefficient of 10 W m 2K¹. The thermal conductivity of the insulation material is 0.05 W m ¹K. If the heat transfer occurs at steady state, the temperature (in °C) of the outer -1 surface of insulation is (rounded off to second decimal place).
Transcribed Image Text:The wall of a pipe of radius 1 m is at a uniform temperature of 200°C, and is covered by insulation of thickness 0.1 m. The ambient air outside the insulated pipe is at 20°C and has heat transfer coefficient of 10 W m 2K¹. The thermal conductivity of the insulation material is 0.05 W m ¹K. If the heat transfer occurs at steady state, the temperature (in °C) of the outer -1 surface of insulation is (rounded off to second decimal place).
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