The rear window of an automobile is defogged by passing warm air over its inner surface. If the warm air is at T = 40°C and the corresponding convection coefficient is h; = 30 W/m².K, what are the inner and outer surface temperatures, in °C, of 4-mm-thick window glass, if the outside ambient air temperature is T = -27.5°C and the associated convection coefficient is h = 65 W/m².K? *0,0 Evaluate the properties of the glass at 300 K. Tsi = Tse = i i °℃ °C

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter19: Temperature, Thermal Expansion And Gas Laws
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The rear window of an automobile is defogged by passing warm air over its inner surface. If the warm air is at T = 40°C and the
corresponding convection coefficient is h₁ = 30 W/m².K, what are the inner and outer surface temperatures, in °C, of 4-mm-thick
window glass, if the outside ambient air temperature is T = -27.5°C and the associated convection coefficient is h, = 65 W/m².K?
*0,0
Evaluate the properties of the glass at 300 K.
Ts,i =
Tse
=
i
i
°℃
°C
Transcribed Image Text:The rear window of an automobile is defogged by passing warm air over its inner surface. If the warm air is at T = 40°C and the corresponding convection coefficient is h₁ = 30 W/m².K, what are the inner and outer surface temperatures, in °C, of 4-mm-thick window glass, if the outside ambient air temperature is T = -27.5°C and the associated convection coefficient is h, = 65 W/m².K? *0,0 Evaluate the properties of the glass at 300 K. Ts,i = Tse = i i °℃ °C
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