A rectangular wall of length "L" m and height "H" m is made from a thick bricklayer. The rectangular wall has a surface area as 11 m2 & Thermal conductivity as 0.53 W/mK. The wall is subjected to heat transfer due to the outside temperature 43 °C and inside temperature 24 °C. If the energy loss is 11219 kJ in 484 minutes. (HINT: 1 minute = 60 %3D seconds) Determine the following -- i) Heat transfer rate, ii) Thickness of the wall.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.47P
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A rectangular wall of length "L" m and height
"H" m is made from a thick bricklayer. The
rectangular wall has a surface area as 11 m2
& Thermal conductivity as 0.53 W/mK. The
wall is subjected to heat transfer due to the
outside temperature 43 °C and inside
temperature 24 °C. If the energy loss is 11219
kJ in 484 minutes. (HINT: 1 minute = 60
%3D
seconds)
Determine the following --
i) Heat transfer rate,
ii) Thickness of the wall.
Transcribed Image Text:A rectangular wall of length "L" m and height "H" m is made from a thick bricklayer. The rectangular wall has a surface area as 11 m2 & Thermal conductivity as 0.53 W/mK. The wall is subjected to heat transfer due to the outside temperature 43 °C and inside temperature 24 °C. If the energy loss is 11219 kJ in 484 minutes. (HINT: 1 minute = 60 %3D seconds) Determine the following -- i) Heat transfer rate, ii) Thickness of the wall.
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