The concrete slab of a basement is 11 m long, 8 m wide,
Chapter , Problem 1.4(choose chapter or problem)
The concrete slab of a basement is 11 m long, 8 m wide, and 0.20 m thick. During the winter, temperatures are nominally 17 C and 10 C at the top and bottom surfaces, respectively. If the concrete has a thermal conductivity of 1.4 W/m K, what is the rate of heat loss through the slab? If the basement is heated by a gas furnace operating at an efficiency of f 0.90 and natural gas is priced at Cg $0.02/MJ, what is the daily cost of the heat loss?
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