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Category > Physics Posted 23 May 2017 My Price 4.00

energy loss

Find the energy loss (in Joules) through a single-pane 1.5 m × 2m glass window of 3 mm thickness during a winter night in Davis (which lasts about 8 hours for an average student), if the outside temperature is 2◦C and the inside temperature is 25◦C. The thermal conductivity of glass is 1 W/(m · K). Assume that conduction is the only energy-loss mechanism in this problem. What is the energy loss through a double-pane window consisting of two such panes of the same thickness with a 1 cm air gap between them? The thermal conductivity of air is 0.026 W/(m · K).

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SuperTutor
(15)
Status NEW Posted 23 May 2017 04:05 AM My Price 4.00

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