A 5 cm thick steel pipe, 1.0 m long, with an internal diameter of 8 cm is covered with 4 cm thick insulation. The inside wall temperature of the steel pipe is 100°C. The ambient temperature around the insulated pipe is 24°C. The convective heat-transfer coeffi cient on the outer insulated surface is 50 W/(m² K). Calculate the temperature at the steel insulation interface. The thermal conductivity of steel is 54 W/(m K), and the thermal conductivity of insulation is 0.04 W/(m K).
A 5 cm thick steel pipe, 1.0 m long, with an internal diameter of 8 cm is covered with 4 cm thick insulation. The inside wall temperature of the steel pipe is 100°C. The ambient temperature around the insulated pipe is 24°C. The convective heat-transfer coeffi cient on the outer insulated surface is 50 W/(m² K). Calculate the temperature at the steel insulation interface. The thermal conductivity of steel is 54 W/(m K), and the thermal conductivity of insulation is 0.04 W/(m K).
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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Question
A 5 cm thick steel pipe, 1.0 m long, with an internal diameter
of 8 cm is covered with 4 cm thick insulation. The inside
wall temperature of the steel pipe is 100°C. The ambient
temperature around the insulated pipe is 24°C. The convective
heat-transfer coeffi cient on the outer insulated surface is
50 W/(m² K). Calculate the temperature at the steel insulation
interface. The thermal conductivity of steel is 54 W/(m K), and
the thermal conductivity of insulation is 0.04 W/(m K).
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