Q: Consider the section of wall as shown in the figure, assuming one dimensional heat flow, determine the following: I- Rate of heat transfer per unit area (1m) through the composite wall. II- Determine also the temperature (TD) as shown in the figure.

Q: Consider the section of wall as shown in the figure, assuming one dimensional heat flow, determine the following: I- Rate of heat transfer per unit area (1m) through the composite wall. II- Determine also the temperature (TD) as shown in the figure.

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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Question

Q: Consider the section of wall as shown in the figure, assuming one dimensional
heat flow, determine the following:
I- Rate of heat transfer per unit area (1m) through the composite wall.
II- Determine also the temperature (TD) as shown in the figure.
T01 = 30 °C
T02 = 2 °C
hi = 20 w/m?.C
||
cm
h2 = 12 w/m?.C
20 cm
A
F
kA = 0.6 W/m .°C
D TD
%3D
30 cm
kB = 0.8 W/m .°C
To01
T2
kC = 0.9 W/m .°C
hi
в | Е
h2
10 cm
kD = 0.7 W/m .°C
kE = 0.5 W/m .°C
%3D
kF = 0.04 W/m .°C
8 cm
6cm
12cm

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