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a) Calculate the rate of heat conduction (in W) through a double-paned window that has a 5.00 m2 area and is made of two panes of 0.600 cm thick glass separated by a 1.00 cm air gap. The inside surface temperature is 20.0°C, while that on the outside is-18.0°C. (Hint: There are identical temperature drops across the two glass panes. First find these and then the temperature drop across the air gap. This problem ignores the increased heat transfer in the air gap due to convection.) (b) Calculate the rate of heat conduction (in W) through a 1.20 cm-thick window of the same area and with the same temperatures. w Compare your answer with that for part (a). (Q/t)glass only - (Q/t) glass and air

a) Calculate the rate of heat conduction (in W) through a double-paned window that has a 5.00 m2 area and is made of two panes of 0.600 cm thick glass separated by a 1.00 cm air gap. The inside surface temperature is 20.0°C, while that on the outside is-18.0°C. (Hint: There are identical temperature drops across the two glass panes. First find these and then the temperature drop across the air gap. This problem ignores the increased heat transfer in the air gap due to convection.) (b) Calculate the rate of heat conduction (in W) through a 1.20 cm-thick window of the same area and with the same temperatures. w Compare your answer with that for part (a). (Q/t)glass only - (Q/t) glass and air

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) Calculate the rate of heat conduction (in W) through a double-paned window that has a 5.00 m area and is made of two panes of 0.600 cm thick glass separated by a 1.00 cm air gap. The inside surface temperature is 20.0°C, while that on the outside is -18.0°C. (Hint: There are identical temperature drops across the two glass panes. First find these and then the temperature drop across the air gap. This problem ignores the increased heat transfer in the air gap due to convection.) (b) Calculate the rate of heat conduction (in W) through a 1.20 cm-thick window of the same area and with the same temperatures. Compare your answer with that for part (a). (Q/t). glass only (Q/t) glass and air Additional Materials ed with CamScanner Oatinr
Transcribed Image Text:(a) Calculate the rate of heat conduction (in W) through a double-paned window that has a 5.00 m area and is made of two panes of 0.600 cm thick glass separated by a 1.00 cm air gap. The inside surface temperature is 20.0°C, while that on the outside is -18.0°C. (Hint: There are identical temperature drops across the two glass panes. First find these and then the temperature drop across the air gap. This problem ignores the increased heat transfer in the air gap due to convection.) (b) Calculate the rate of heat conduction (in W) through a 1.20 cm-thick window of the same area and with the same temperatures. Compare your answer with that for part (a). (Q/t). glass only (Q/t) glass and air Additional Materials ed with CamScanner Oatinr
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