6533b82bfe1ef96bd128d5a1

RESEARCH PRODUCT

Rotor—frame contact in a centrifuge installed on board a ship

Niels Gunar OhlsonO. GrāpisJānis Andersons

subject

On boardCentrifugeEngineeringCriticalityStatorlawbusiness.industryMechanical EngineeringSeparator (oil production)businesslaw.inventionMarine engineering

description

The criticality of rotor and stator contact in a large-size marine separator is studied by numerical modelling. Two plausible mechanisms leading to such contact, namely rolling of a ship in steady-state motion and a suddenly occurring unbalance in the rotor, are considered. It is found that contact due to sea motion may be tolerable, while sudden development of unbalance at operating speed can lead to unacceptably high contact forces. This agrees with experience of centrifugal separators operating on board of ships.

yearjournalcountryeditionlanguage
2009-10-12Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
https://doi.org/10.1243/09544062jmes1603