What is the energy loss from a square

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Reference no: EM131281808

The 12 in. thick walls of a furnace are maintained at 2300°F on the inside. What is the energy loss from a square 6 in. by 6 in. duct cut in one of the walls? Assume that the sides of the duct are reradiating surfaces and use the uniform irradiation assumption. Take the room outside the furnace to be a black enclosure at 85°F.

Reference no: EM131281808

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