Dynamics of pressure pulsations in thin annular gap

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dc.contributor.authorKůrečka, Jancs
dc.contributor.authorHimr, Danielcs
dc.contributor.authorHabán, Vladimírcs
dc.coverage.issue1cs
dc.coverage.volume774cs
dc.date.issued2021-06-15cs
dc.description.abstractFluid pulsations can significantly influence behavior of bearings or sealing parts of hydraulic machines and therefore their operation. In this contribution, an analytical approach to solve pressure pulsations dynamics is compared with a computational solution using acoustic simulation in ANSYS Mechanical FEM package. Studied problem is simplified to an annular gap and the pressure pulsations are excited either from one annulus end or excitation is made by a movement of an inner cylindrical surface perpendicularly to its axis. Excitation on an annulus surface can have angle dependent phase. This geometry allows a linearization of governing equations and so the equations are solvable analytically. Compressibility was incorporated to analytical and computational approach so the eigen frequencies for both methods were evaluated and compared. Also the added fluid effects were studied and evaluated.en
dc.formattextcs
dc.format.extent012145-012145cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationIOP Conference Series: Earth and Environmental Science. 2021, vol. 774, issue 1, p. 012145-012145.en
dc.identifier.doi10.1088/1755-1315/774/1/012145cs
dc.identifier.issn1755-1315cs
dc.identifier.orcid0000-0003-2193-2387cs
dc.identifier.orcid0000-0003-4500-8631cs
dc.identifier.orcid0000-0002-5445-3537cs
dc.identifier.other172066cs
dc.identifier.scopus55823004900cs
dc.identifier.scopus15729076600cs
dc.identifier.urihttp://hdl.handle.net/11012/200964
dc.language.isoencs
dc.publisherIOP Publishingcs
dc.relation.ispartofIOP Conference Series: Earth and Environmental Sciencecs
dc.relation.urihttps://iopscience.iop.org/article/10.1088/1755-1315/774/1/012145cs
dc.rightsCreative Commons Attribution 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1755-1315/cs
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/cs
dc.subjectdynamicsen
dc.subjectpressure pulsationsen
dc.subjectseal gapen
dc.titleDynamics of pressure pulsations in thin annular gapen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-172066en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:47:07en
sync.item.modts2025.01.17 16:47:30en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. EÚ-odbor fluidního inženýrství Viktora Kaplanacs
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EÚ-odbor fluidního inženýrství Viktora Kaplana