The steady state temperature distribution in a 0.2 m thick wall is known to be T = 250-2750 x², where x is the position in the wall in metre, and 7 is in °C. The thermal conductivity of the material of the wall is 1.163 W/ m °C. The wall loses heat to an ambient at 30°C (Fig. 3.2). (a) Calculate the heat transfer coefficient at the surface of the wall at x = 0.2 m. (b) What can be said about the same at the other surface of the wall? (c) What is the average volumetric rate of heat generation in the wall? 0 X 0.2 30°C
The steady state temperature distribution in a 0.2 m thick wall is known to be T = 250-2750 x², where x is the position in the wall in metre, and 7 is in °C. The thermal conductivity of the material of the wall is 1.163 W/ m °C. The wall loses heat to an ambient at 30°C (Fig. 3.2). (a) Calculate the heat transfer coefficient at the surface of the wall at x = 0.2 m. (b) What can be said about the same at the other surface of the wall? (c) What is the average volumetric rate of heat generation in the wall? 0 X 0.2 30°C
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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Transcribed Image Text:The steady state temperature distribution in a 0.2 m thick wall is known to be
T = 250-2750 x², where x is the position in the wall in metre, and T is in °C. The thermal
conductivity of the material of the wall is 1.163 W/ m °C. The wall loses heat to an ambient
at 30°C (Fig. 3.2).
(a) Calculate the heat transfer coefficient at the surface of the wall at x = 0.2 m.
(b) What can be said about the same at the other surface of the wall?
(c) What is the average volumetric rate of heat generation in the wall?
0
0.2
h
30°C
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