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If you know that the coefficient of thermal conductivity from the air to the inner surface of the wall is W / mC 4.0 and the coefficient of thermal conductivity from the air to the outer surface is W / mC 14.0 and the thickness of each of the layers of white from the inside and ficus with cement from the outside is 2 cm and 3 cm, respectively. What is the wall thickness required to obtain a wall heat transfer coefficient of 1.5 W/ mC? Note that the coefficient of thermal conductivity for bricks is 2.1, for cement, 7.2, and for plaster of whiteness, W / m.C2.6

If you know that the coefficient of thermal conductivity from the air to the inner surface of the wall is W / mC 4.0 and the coefficient of thermal conductivity from the air to the outer surface is W / mC 14.0 and the thickness of each of the layers of white from the inside and ficus with cement from the outside is 2 cm and 3 cm, respectively. What is the wall thickness required to obtain a wall heat transfer coefficient of 1.5 W/ mC? Note that the coefficient of thermal conductivity for bricks is 2.1, for cement, 7.2, and for plaster of whiteness, W / m.C2.6

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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lf ey LUE1S th@ fficient R surface i the walJl is W/ mC 4.0 and the coefficie of thermal conductivity [ air to the outer surfaceis W / mC 14.0 and the thickness of each of the layers of white from ‘the inside and ficus with cement from the outside is 2 cm and 3 cm, respectively. What is the wall thickness required to obtain a wall heat transfer coefficient of 1.5 W/ mC? Note that the coefficient of thermal conductivity for bricks is 2.1, for cement, 7.2, and for plaster o whiteness, W/ m.C2.6
If you know that the coefficient of thermal conductivity from the air to the inner surface of the wall is W / mC 4.0 and the coefficient of thermal conductivity from the air to the outer surface is W / mC 14.0 and the thickness of each of the layers of white from the inside and ficus with cement from the outside is 2 cm and 3 cm, respectively. What is the wall thickness required to obtain a wall heat transfer coefficient of 1.5 W/ mC? Note that the coefficient of thermal conductivity for bricks is 2.1, for cement, 7.2, and for plaster of whiteness, W / m.C2.6
Transcribed Image Text:If you know that the coefficient of thermal conductivity from the air to the inner surface of the wall is W / mC 4.0 and the coefficient of thermal conductivity from the air to the outer surface is W / mC 14.0 and the thickness of each of the layers of white from the inside and ficus with cement from the outside is 2 cm and 3 cm, respectively. What is the wall thickness required to obtain a wall heat transfer coefficient of 1.5 W/ mC? Note that the coefficient of thermal conductivity for bricks is 2.1, for cement, 7.2, and for plaster of whiteness, W / m.C2.6
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