Study of dynamic vortex structures of an incompressible liquid

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dc.contributor.authorPochylý, Františekcs
dc.contributor.authorŠtefan, Davidcs
dc.contributor.authorFialová, Simonacs
dc.coverage.issue1cs
dc.coverage.volume299cs
dc.date.accessioned2025-02-03T14:47:09Z
dc.date.available2025-02-03T14:47:09Z
dc.date.issued2024-07-04cs
dc.description.abstractThe study of non-stationary vortex structures arising at the inlet of centrifugal pumps and at the outlet of turbines of the Kaplan and Francis type is the subject of the presented paper. Specific attention will be paid to spatial vortices, characterized by curvature and twist. Spiral vortices will also be monitored as sources of spatial vortex motion. Their core will be expressed by a mathematical model in curvilinear coordinates. Helicity, which indicates the degree of vorticity, will also be determined by computational simulation of turbulent motion. The swirling motion will be induced by a specially designed diffuser-shaped vortex generator, simulating the inlet to the turbine draft tube. A significant result of the study of vortex structures will be the dependence of the twist of the streamline in relation to the Hessian matrix, expressed as a function of the pressure function. This dependence will be significant for the optimization of the hydraulic machines.en
dc.formattextcs
dc.format.extent1-6cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationEPJ Web of Conferences. 2024, vol. 299, issue 1, p. 1-6.en
dc.identifier.doi10.1051/epjconf/202429901031cs
dc.identifier.issn2100-014Xcs
dc.identifier.orcid0000-0001-6408-1960cs
dc.identifier.orcid0000-0003-4230-5219cs
dc.identifier.orcid0000-0002-8776-4219cs
dc.identifier.other189102cs
dc.identifier.researcheridD-9404-2018cs
dc.identifier.researcheridV-9551-2017cs
dc.identifier.researcheridR-4959-2017cs
dc.identifier.scopus8582621100cs
dc.identifier.scopus55600674200cs
dc.identifier.scopus54943181000cs
dc.identifier.urihttps://hdl.handle.net/11012/249956
dc.language.isoencs
dc.publisherEPJ Web of Conferencescs
dc.relation.ispartofEPJ Web of Conferencescs
dc.relation.urihttps://www.epj-conferences.org/articles/epjconf/abs/2024/09/epjconf_efm2024_01031/epjconf_efm2024_01031.htmlcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2100-014X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectvortex structuresen
dc.subjectcurvatureen
dc.subjecttwisten
dc.subjecthelicityen
dc.subjectvorticityen
dc.titleStudy of dynamic vortex structures of an incompressible liquiden
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-189102en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:47:09en
sync.item.modts2025.02.03 10:32:10en
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