Assuming that the lower and upper surfaces of a multi-layer wall shown in the figure are insulated and the heat loss is one- dimensional, draw the thermal resistance circuit of the system, a) Find the inner conduction coefficient of material B? b) Find the total heat transfer coefficient by drawing the thermal resistance circuit of the wall? c) Since the height of the wall is 3 m and its length is 10 m, find the heat transfer rate from the wall? d) Find the temperature between material A and material B?
Assuming that the lower and upper surfaces of a multi-layer wall shown in the figure are insulated and the heat loss is one- dimensional, draw the thermal resistance circuit of the system, a) Find the inner conduction coefficient of material B? b) Find the total heat transfer coefficient by drawing the thermal resistance circuit of the wall? c) Since the height of the wall is 3 m and its length is 10 m, find the heat transfer rate from the wall? d) Find the temperature between material A and material B?
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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Transcribed Image Text:Assuming that the lower and upper surfaces of a multi-layer wall shown in the figure are insulated and the heat loss is one-
dimensional, draw the thermal resistance circuit of the system, a) Find the inner conduction coefficient of material B? b) Find
the total heat transfer coefficient by drawing the thermal resistance circuit of the wall? c) Since the height of the wall is 3 m
and its length is 10 m, find the heat transfer rate from the wall? d) Find the temperature between material A and material B?
T-20 C
B.
h-15 Wm2K
kg-?
0.7 WmK
kp-12 WmK
T-2°C
-5 cm
美 C
4 L-8 cm
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