Projects / Rotordynamics / Lateral vibrations


1) Multi-stage ring section centrifugal pump
2) Single-stage centrifugal pump - type OH2
3) Single-stage centrifugal pump - double suction



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

Application:
Pump in process industry.

Project extent:
Determination of causes for increased lateral vibrations.
Definition of rotor modifications in order to reduce pump lateral vibrations.

Main goal:
Reduction of lateral vibrations on the modified pump rotor.

Gallery

Rotating pump elements in meridional cross section Inlufence of the coupling type and weight on damped natural frequency at nominal pump speed Inlufence of the coupling type and weight on damping ratio at nominal pump speed Review of calculated damping before reconstruction Review of calculated damping after reconstruction