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Consider a 5-m-high, 8-m-long, and 0.22-m-thick wall whose representative cross section is as given in the figure. The thermal conductivities of various materials used, in W/m °C, 300°C are k₁= kp = 2, kg = 8, kc = 20, kp 26 and ke = 35. The left and right surfaces of the wall are maintained at uniform temperatures of 300°C and 100°C, respectively. Assuming heat transfer through the wall to be one-dimensional, determine (a) the rate of heat transfer through the wall; (b) the tem- perature at the point where the sections B, D, and E meet; and (c) the temperature drop across the section F. Disregard any contact resistances at the interfaces. . 1 cm A 4 cm B 4 cm C 4 cm 5 cm 6 cm 6 cm D E 10 cm F 6 cm 100°C 8 m

Consider a 5-m-high, 8-m-long, and 0.22-m-thick wall whose representative cross section is as given in the figure. The thermal conductivities of various materials used, in W/m °C, 300°C are k₁= kp = 2, kg = 8, kc = 20, kp 26 and ke = 35. The left and right surfaces of the wall are maintained at uniform temperatures of 300°C and 100°C, respectively. Assuming heat transfer through the wall to be one-dimensional, determine (a) the rate of heat transfer through the wall; (b) the tem- perature at the point where the sections B, D, and E meet; and (c) the temperature drop across the section F. Disregard any contact resistances at the interfaces. . 1 cm A 4 cm B 4 cm C 4 cm 5 cm 6 cm 6 cm D E 10 cm F 6 cm 100°C 8 m

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Consider a 5-m-high, 8-m-long, and 0.22-m-thick wall whose representative cross section is as given in the figure. The thermal conductivities of various materials used, in W/m °C, 300°C are k₁ = kp = 2, kg = 8, kc = 20, kp 26and kg = 35. The left and right surfaces of the wall are maintained at uniform temperatures of 300°C and 100°C, respectively. Assuming heat transfer through the wall to be one-dimensional, determine (a) the rate of heat transfer through the wall; (b) the tem- perature at the point where the sections B, D, and E meet; and (c) the temperature drop across the section F. Disregard any contact resistances at the interfaces. 1 cm A 4 cm B 4 cm с 4 cm 5 cm 6 cm 6 cm D E 10 cm F 6 cm 100°C 8 m
Transcribed Image Text:Consider a 5-m-high, 8-m-long, and 0.22-m-thick wall whose representative cross section is as given in the figure. The thermal conductivities of various materials used, in W/m °C, 300°C are k₁ = kp = 2, kg = 8, kc = 20, kp 26and kg = 35. The left and right surfaces of the wall are maintained at uniform temperatures of 300°C and 100°C, respectively. Assuming heat transfer through the wall to be one-dimensional, determine (a) the rate of heat transfer through the wall; (b) the tem- perature at the point where the sections B, D, and E meet; and (c) the temperature drop across the section F. Disregard any contact resistances at the interfaces. 1 cm A 4 cm B 4 cm с 4 cm 5 cm 6 cm 6 cm D E 10 cm F 6 cm 100°C 8 m
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