Solutions to In-class Exercise One
the plate in kW. (Problem 1.67 from text.) Here we apply the basic equation for convection Q&=hAΔT. We are asked to find the heat transfer from the air to the plate so the take the temperature difference as the air temperature minus the plate temperature = 80oC – 30oC = 50oC. The area is (2 m)(4 m) = 8 m2 and the heat
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