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fin efficiency

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fin efficiency [′fin ə‚fish·ən·sē]
(engineering)
In extended-surface heat-exchange equations, the ratio of the mean temperature difference from surface-to-fluid divided by the temperature difference from fin-to-fluid at the base or root of the fin.


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Kondepudi and O'Neal (1990) comprehensively discussed the effects of frost on fin efficiency, overall heat transfer coefficient, pressure drop, and surface roughness of extended surface heat exchangers.
Each of these models uses fin efficiency to simplify calculation of steady-state heat and mass transfer for the air side.
The fin efficiency of a heat sink measures the amount of heat that is conducted from the base to the top of the fins.
 
 
 
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