16-22 The inner and outer surfaces of a 0.5-cm thick 2-m X 2-m window glass in winter are 10°C and 3°C, respectively. If the thermal conductivity of the glass is 0.78 W/m-K, determine the amount of heat loss through the glass over a period of 5 h. What would your answer be if the glass were 1 cm thick? Answers: 78.6 MJ, 39.3 MJ
16-22 The inner and outer surfaces of a 0.5-cm thick 2-m X 2-m window glass in winter are 10°C and 3°C, respectively. If the thermal conductivity of the glass is 0.78 W/m-K, determine the amount of heat loss through the glass over a period of 5 h. What would your answer be if the glass were 1 cm thick? Answers: 78.6 MJ, 39.3 MJ
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.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.40P: One end of a 0.3-m-long steel rod is connected to a wall at 204C. The other end is connected to a...
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