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A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k= 160 w/m·k). the fin diameter is d= 4.2 mm, and the fin is exposed to convective conditions characterized by h= 231 w/m2·k. it is reported that the fin efficiency is ηf= 0.65. determine (a) the fin length l and the fin effectiveness ɛf. account for tip convection.

User Rovsen
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1 Answer

5 votes

Answer:

length of fin = 34.417

effectiveness = 33.77

Step-by-step explanation:

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A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k= 160 w-example-1
A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k= 160 w-example-2
A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k= 160 w-example-3
A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k= 160 w-example-4
User Msgre
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