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A thermopane ( thermally insulated glass ) window that is 0 . 6 m long by 0 . 3 m wide comprises two 8 mm
A thermopane thermally insulated glass window that is m long by m wide comprises two mm thick pieces of glass sandwiching an mm thick stagnant air space. The thermal conductivity of glass is Wm K and that of air is Wm K The window separates room airat deg C from outside ambient air at deg C The convection coefficientsassociated with the inner room side and the outer ambient surfacesare WmK and WmK respectively. a Determine the heat lossthrough the window, and the two surface temperatures. b What wouldbe the heat loss if the window had a single glass of mm thicknessinstead of a thermopane?
A thermopane thermally insulated glass window that is m long by m wide comprises two mm thick pieces of glass sandwiching an mm thick stagnant air space. The thermal conductivity of glass is Wm K and that of air is Wm K The window separates room airat deg C from outside ambient air at deg C The convection coefficientsassociated with the inner room side and the outer ambient surfacesare WmK and WmK respectively. a Determine the heat lossthrough the window, and the two surface temperatures. b What wouldbe the heat loss if the window had a single glass of mm thicknessinstead of a thermopane?
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