BEP - the Best Efficiency Point of a Pump
BEP is where the pump is most efficient.
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A practical pump will never be able to convert all its kinetic energy to pressure energy. Parts of the energy will always be internal or external lost.
Internal Losses
- hydraulic loss - due to disk friction in the impeller, rapid change in flow directions and velocity changes throughout the pump
- volumetric loss - due to internal re-circulation caused by wear in rings and bushes
External Losses
- mechanical loss - due to friction in seals and bearings
BEP - Best Efficiency Point
The maximum efficiency for a pump is normally in its "design point" - also called
- BEP - or the "Best Efficiency Point"
For pumps operating in all other positions - the efficiency will be less than in BEP.
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Related Topics
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Pumps
Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more.
Related Documents
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Centrifugal Pumps
An introduction to Centrifugal Pumps. -
Centrifugal Pumps - Capacity Modulation
Modulating pumps to adapt capacities to variable process demands. -
Centrifugal Pumps - Viscosity Influence
Hydrodynamic losses through pumps depends on fluid viscosities. -
Comparing Hydraulic Pumps
Comparing different types of hydraulic pumps and their maximum pressures and flow. -
Pump - Temperature Rise vs. Volume Flow
Calculate temperature rise vs. volume flow in pumps. -
Pumps - Specific Speed
Characterizing of impeller types in pumps in a unique and coherent manner. -
Pumps - Suction Specific Speed
Suction Specific Speed can be used to determine stable and reliable operations for pumps with max efficiency without cavitation. -
System Curve and Pump Performance Curve
Utilize the system curve and the pump performance curve to select the proper pump for a particular application.
