A pin fin of uniform, cross-sectional area is fabricated

Chapter , Problem 3.132

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QUESTION:

A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy . The fin diameter is , and the fin is exposed to convective conditions characterized by . It is reported that the fin efficiency is . Determine the fin length  and the fin effectiveness. Account for tip convection.

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QUESTION:

A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy . The fin diameter is , and the fin is exposed to convective conditions characterized by . It is reported that the fin efficiency is . Determine the fin length  and the fin effectiveness. Account for tip convection.

ANSWER:

Step 1 of 4

The given parameters are:

The thermal conductivity of the aluminum alloy is .

The diameter of the fin is .

The convective heat transfer coefficient is fin is .

The efficiency of the fin is .

 

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