Glass Window Area 0557 M 2 Installed Outside Wall Room Wall Dimensions 244 305 M Outside R Q28562936
A glass window with an area of 0.557 m^2 is installedin the outside wall of a room. The wall dimensions are 2.44 × 3.05m. The outside room temperature is 299K and the outside airtemperature is 266.5K. The wood has a k of 0.1505 W/m.K and is 22.4mm thick. The glass is 3.18 mm thick and has a k of 0.692 W/m. K.The convection coefficient h on the inside wall of the glass andthe wood is estimated as 8.5 W/m^2.K, the outside ho is alsoestimated as 8.0 for both surfaces. Calculate:
a) The heat loss through the glass.
b) The heat loss through the wooden wall.
c) The total heat loss.


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