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BOOK USED FOR THIS 5. (65 points) An aluminum fin 1cm thick and protruding 10cm

ID: 1819580 • Letter: B

Question

BOOK USED FOR THIS 


5. (65 points) An aluminum fin 1cm thick and protruding 10cm from the base is exposed to still water at 25 degree C. The base and initial condition is 200degreeC. Neglecting edge effects, you have decided to set up a numerical scheme of four nodes. A. (20 points) Determine the heat transfer coefficients for the fin? B. (20 points) Determine a forward difference expression for node 1 and 4 (You can assume That an avg. heat transfer coefficient exists for the tin). BOOK USED FOR THIS Introduction to Heat Transfer 5th Edition

Explanation / Answer

KAdT/dx = -hA(T-T0)