The wood absorbs 90 of the late afternoon solar radiation

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A 1 foot square, 1/4 inch thick piece of oak floats in a large pool of water. The convective heat transfer coefficients between the top surface of the wood and the air, and between the bottom surface of the wood and water are 2 Btu/hr-fit F and 80 Btu/hr-ft F. The temperature of teh air is 80 F and that of water is 55 F. The wood absorbs 90% of the late afternoon solar radiation of 100 Btu/hr-ft^2. Ignoring radiation from the wood, determine the rate of heat transfer from the wood to the air.

Reference no: EM13607654

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