Mechanical Efficiency of Pump or Fan Examples, Formula and Calculator
| Power Transferred From the Motor to the Shaft (P) | |
| Power Lost in the Transmission (Pl) | |
| Mechanical Efficieny (ηm) | |
Formula of Mechanical Efficiency of Pump or Fan
ηm = (P – Pl) / P
Where,
ηm = Mechanical Efficiency of Pump or Fan
P = Power Transferred from the Motor to the Shaft
Pl = Power Lost in the Transmission
Example of Mechanical Efficiency of Pump or Fan Examples, Formula and Calculator – Example 1
Power Transferred From the Motor to the Shaft (P) = 24
Power Lost in the Transmission (Pl) = 20
find Mechanical Efficieny (ηm) = ?
Solution :
Mechanical Efficieny (ηm) = (24-20)/24
Mechanical Efficieny (ηm) = 0.1666
Example of Mechanical Efficiency of Pump or Fan Examples, Formula and Calculator – Example 2
Power Transferred From the Motor to the Shaft (P) = 44
Power Lost in the Transmission (Pl) = 40
find Mechanical Efficieny (ηm) = ?
Solution :
Mechanical Efficieny (ηm) = (44-40)/44
Mechanical Efficieny (ηm) = 0.09090