BEP - the Best Efficiency Point of a Pump BEP is where the pump is most efficient. 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 ...
The performance range and capacities for these pumps are: 1 to 200 horsepower (hp), shaft power at the best efficiency point (BEP), at full impeller diameter for the number of stages required for testing to the standard 25 gallons per minute (gpm) and greater (at BEP at full impeller di...
The pump's best efficiency point (BEP) at the nominal flow rate should be at least 90% of the published value. • The head–flow rate performance curve in the recommended operating range should have a tolerance of ± 5%. • The tolerance of pump power–flow rate curve in the recommen...
The results shows that the standard SST turbulence model is more suitable for the numerical calculation of gas-liquid two-phase flow; and at pump best efficiency point (BEP), the head of the multiphase pump decreases by 4.5%~26% and the efficiency of CMP decreases by 4.6%~20% when the ...
in a turbine mode, its mechanical operation is smooth and quiet; its peak efficiency is same as in pump mode; head and flow at the best efficiency point (BEP) are higher than that in pump mode and the power output is higher than that the pump input power at its best efficiency. ...
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High efficiency ultrafast water-window harmonic generation for single-shot soft X-ray spectroscopy Article Open access 22 May 2020 Controlling bubble generation by femtosecond laser-induced filamentation Article Open access 21 September 2022 Introduction...
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Most high-temperature heat pump cycles operate at pressures below the refrigerant's critical point. However, high-temperature transcritical heat pump (HTTHP) technology has - due to the temperature glide – a significant efficiency potential, especially for processes with large temperature changes on ...
The maximum pump efficiency increased by 4.7%, and the best efficiency point shifts to large flow. At the same time, the optimization scheme alleviates the problem of the rapid drop of the head and efficiency curves under large flow conditions and broadens the high efficient operation range. ...