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dc.contributor.authorSmolík, Luboš
dc.contributor.authorDyk, Štěpán
dc.date.accessioned2020-09-28T10:00:10Z-
dc.date.available2020-09-28T10:00:10Z-
dc.date.issued2020
dc.identifier.citationSMOLÍK, L., DYK, Š. Towards efficient and vibration-reducing full-floating ring bearings in turbochargers. International Journal of Mechanical Sciences, 2020, roč. 175, č. June 1. ISSN 0020-7403.en
dc.identifier.issn0020-7403
dc.identifier.uri2-s2.0-85083813108
dc.identifier.urihttp://hdl.handle.net/11025/39780
dc.format14 s.
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherElsevieren
dc.relation.ispartofseriesInternational Journal of Mechanical Sciencesen
dc.rightsPlný text není přístupný. Plný text bude přístupný od 01. 03. 2022.cs
dc.rights© Elsevieren
dc.titleTowards efficient and vibration-reducing full-floating ring bearings in turbochargersen
dc.typepostprintcs
dc.typepostprinten
dc.description.embargo2022-03-01
dc.rights.accessembargoedAccessen
dc.type.versionacceptedVersionen
dc.description.abstract-translatedTurbocharger rotors supported on full-floating ring bearings are highly nonlinear systems which are operated at high speeds. During operation, the rotor usually oscillates at sub-synchronous frequencies which result from fluid-induced instabilities. This work provides some suggestions for reducing the sub-synchronous vibrations and power losses in the bearings. This is done by introducing new designs for lubrication grooves, which are described in detail and thoroughly analyzed. Furthermore, it is shown that the stability of an outer film in the floating ring bearing can be influenced by subtle changes in the geometry of an inner film. The motion of the turbocharger rotor is described employing flexible multi-body dynamics. Forces in the floating ring bearings are evaluated numerically and flow through feed holes which are interconnecting the inner film with the outer film is considered.en
dc.subject.translatedrotor dynamicsen
dc.subject.translatedmulti-body dynamicsen
dc.subject.translatedturbochargeren
dc.subject.translatedhydrodynamic lubricationen
dc.subject.translatedfloating ring bearingen
dc.identifier.doi10.1016/j.ijmecsci.2020.105516
dc.type.statusPeer-revieweden
dc.identifier.document-number536772500012
dc.identifier.obd43927887
dc.project.IDGA17-15915S/Nelineární dynamika rotujících systémů s uvažováním nestabilit v olejovém filmu s důrazem na lokální jevycs
dc.project.IDLO1506/PUNTIS - Podpora udržitelnosti centra NTIS - Nové technologie pro informační společnostcs
Appears in Collections:Postprinty / Postprints (NTIS)
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