Thursday, 23 April 2009

Outside Brick Oven

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outside brick oven
What would be the solution to this physics problem?

An oven has a brick wall 5 inches thick through which heat is transferred at the rate of 5 BTU/ft^2 per minute. If the outside oven is at 200 degrees Fahrenheit, find the temperature of the inside oven. The thermal conductivity coefficient of the brick is 4.4 BTU/ft^2-h-oF/in.


H = kA(Th-TL)/L So H/A = 5BTU/ft^2min = 5*60 = 300BTU/ft^2-h = 4.4BTU/ft^2-h-F/in*(Th-200)/5in Now the units are consistent So Th = 200 + 300*5/4.4 = 541degF


Albivi Brick Oven Italian Restaurant, Millstone NJ 08535









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