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Rotor-frame contact in a centrifuge installed on board a ship
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2010 (English)In: Proceedings of the Institution of mechanical engineers. Part C, journal of mechanical engineering science, ISSN 0954-4062, E-ISSN 2041-2983, Vol. 224, no C3, 635-646 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2010. Vol. 224, no C3, 635-646 p.
Keyword [en]
marine separator, rolling, unbalance
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-28305DOI: 10.1243/09544062JMES1603ISI: 000276472500012Scopus ID: 2-s2.0-77949771771OAI: oai:DiVA.org:kth-28305DiVA: diva2:386734
Note
QC 20110113Available from: 2011-01-13 Created: 2011-01-12 Last updated: 2017-12-11Bibliographically approved

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Ohlson, Nils-Gunnar
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