Mechanical Efficiency

on . Posted in Fluid Dynamics

Mechanical efficiency, abbreviated as \( \eta_m \) (Greek symbol eta), a dimensionless number, is the ratio of work output to work input.

 

Mechanical Efficiency formula

\(\large{ \eta =  \frac{W_o}{W_i}\; 100 }\) 
Symbol English Metric
\(\large{ \eta }\)  (Greek symbol eta) = efficiency \(\large{dimensionless}\)
\(\large{ W_i }\) = input work \(\large{ft-lbf}\) \(\large{J}\)
\(\large{ W_o }\) = output work \(\large{ft-lbf}\) \(\large{J}\)

 

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Tags: Efficiency Equations