A1 m-wide by 2 m-high window is composed of two 5 mm-thick glass panes, separated by an air space of 10 mm. The temperatures at the inner and outer surfaces of the window are 15°C and -20°C respectively. If the thermal conductivities of the glass pane and the air space are 1.4 respectively, find the total rate of heat loss from the window in W? and 0.024 m-K m-K

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A1 m-wide by 2 m-high window is composed of two 5 mm-thick glass panes, separated by an air space
of 10 mm. The temperatures at the inner and outer surfaces of the window are 15°C and -20°c
respectively. If the thermal conductivities of the glass pane and the air space are 1.4
respectively, find the total rate of heat loss from the window in W?
and 0.024
m-K
m-K
Transcribed Image Text:A1 m-wide by 2 m-high window is composed of two 5 mm-thick glass panes, separated by an air space of 10 mm. The temperatures at the inner and outer surfaces of the window are 15°C and -20°c respectively. If the thermal conductivities of the glass pane and the air space are 1.4 respectively, find the total rate of heat loss from the window in W? and 0.024 m-K m-K
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