Projects / Pumps / Single-stage pumps


1) Single-stage centrifugal pump (hd)
2) Single-stage centrifugal pump - double suction (hd)
3) Single-stage centrifugal pump - double suction (hd, rf, cav)
4) Single-stage centrifugal pump - type OH2 (rf, af)




3)
Machine type:
Single-stage centrifugal pump – double suction.

Application:
Water transport pump, pump in process industry.

Project extent:
Hydraulic design of the whole pump.
Calculation of hydraulic radial forces using numerical flow analysis.

Main goals:
Achieve the desired energy and cavitation characteristics of the pump.
Adapt the hydraulic geometry to mechanical design and casting requirements.
Minimise hydraulic radial forces using a double volute.

Gallery

Pump hydraulic geometry - single volute Pump hydraulic geometry - double volute Velocity vectors in the impeller and spiral casing Streamlines in the impeller and spiral casing Calculated radial forces - single and double volute Water vapour clouds, Q/Qopt = 1, NPSHA = 2.9m Water vapour clouds, Q/Qopt = 1, NPSHA = 2.0m Water vapour clouds, Q/Qopt = 1, NPSHA = 1.8m Comparison of measured and calculated NPSH curves