A large window glass 0.5 cm thick (k= 0.78 W/m K) is exposed to warm air at 25oC, over its inner surface with convection coefficient of 15 W/m2K. The outside air is at 258 K with convection coefficient of 50 W/m2K. Determine the heat transfer rate and temperature at the inner and outer surface of the

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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Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.32P
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A large window glass 0.5 cm thick (k= 0.78 W/m K) is exposed to warm air at
25oC, over its inner surface with convection coefficient of 15 W/m2K. The outside
air is at 258 K with convection coefficient of 50 W/m2K. Determine the heat transfer
rate and temperature at the inner and outer surface of the glass.

a)A large window glass 0.5 cm thick (k= 0.78 W/m K) is exposed to warm air at
25°C, over its inner surface with convection coefficient of 15 W/m?K. The outside
air is at 258 K with convection coefficient of 50 W/m?K. Determine the heat transfer
rate and temperature at the inner and outer surface of the glass.
Transcribed Image Text:a)A large window glass 0.5 cm thick (k= 0.78 W/m K) is exposed to warm air at 25°C, over its inner surface with convection coefficient of 15 W/m?K. The outside air is at 258 K with convection coefficient of 50 W/m?K. Determine the heat transfer rate and temperature at the inner and outer surface of the glass.
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