Q3/ The north wall of an electrically heated home is 20 fi long, 10 ft high, and I ft thick, and is made of brick whose thermal conductivity is k = 0.42 Btu/h ft °F. On a certain winter night, the temperatures of the inner and the outer surfaces of the wall are measured to be at about 62°F and 25°F, respectively, for a period of 8 hours. Determine the rate of heat loss through the wall that night.
Q3/ The north wall of an electrically heated home is 20 fi long, 10 ft high, and I ft thick, and is made of brick whose thermal conductivity is k = 0.42 Btu/h ft °F. On a certain winter night, the temperatures of the inner and the outer surfaces of the wall are measured to be at about 62°F and 25°F, respectively, for a period of 8 hours. Determine the rate of heat loss through the wall that night.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter3: Transient Heat Conduction
Section: Chapter Questions
Problem 3.13P
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