Question $3(15$ points$)$

A cylindrical pin fin of diameter $6$ mm and length $40$ mm has an effectiveness of $26.$ If the fin base temperature is $250C,$ the ambient temperature is $20C$ and the fin is subjected to convection heat transfer coefficient of $15W*m^{-2}*K^{-1},$ determine the rate of heat loss from the fin. Give your answer in watts $($W$)$ to two decimal places, where appropriate.

Your Answer:

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Answer

units