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dc.contributor.authorSapík, Marcelcs
dc.contributor.authorMalý, Milancs
dc.contributor.authorJedelský, Jancs
dc.contributor.authorWigley, Grahamcs
dc.contributor.authorCejpek, Ondřejcs
dc.date.accessioned2020-08-03T14:56:42Z
dc.date.available2020-08-03T14:56:42Z
dc.date.issued2019-06-28cs
dc.identifier.citationEPJ Web of Conferences. 2019, vol. 213, issue 1, p. 1-6.en
dc.identifier.issn2100-014Xcs
dc.identifier.other151981cs
dc.identifier.urihttp://hdl.handle.net/11012/193672
dc.description.abstractA scaled transparent modular model of pressure-swirl (PS) atomizer was prepared from cast PMMA (Poly(methyl methacrylate), Perspex™, Plexiglas™) with the aim to achieve a better understanding of internal flow and subsequent spray formation. Because of use of high-speed imaging and Laser Doppler Anemometry (LDA) the working liquid had to be selected with respect of a refractive index matching (RIM) with the atomizer material. The liquid should be colourless and chemically non-aggressive to the model material with suitable viscosity to achieve the Reynolds number of the internal flow of the original atomizer. Froude number should be high enough to neglect the influence of gravity on the flow. An extensive search for transparent liquids and materials of enlarged models was made with a focus on RIM in performed experiments. Several liquids were chosen, and their chemical effect on PMMA was tested. Despite the successful tests that proved the liquid suit the case, the model material was damaged and the tests proved to be insufficient. For this reason, the tests were modified to better involve the stress of the bolted model. It turned out that a force effect (bolt in the thread, pre-stressed bolt connection) on the material has a significant influence on the acceleration of the chemical effect. The internal flow was examined using a high-speed camera with several liquids.en
dc.formattextcs
dc.format.extent1-6cs
dc.format.mimetypeapplication/pdfcs
dc.language.isoencs
dc.publisherEDP Sciencescs
dc.relation.ispartofEPJ Web of Conferencescs
dc.relation.urihttps://www.epj-conferences.org/articles/epjconf/abs/2019/18/epjconf_efm18_02070/epjconf_efm18_02070.htmlcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectAtomizationen
dc.subjectNozzleen
dc.subjectPMMAen
dc.subjectRefractive Indexen
dc.titleSelection of model liquid with refractive index matching for visualization of internal flow in a scaled atomizer modelen
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. EÚ-odbor termomechaniky a techniky prostředícs
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Energetický ústavcs
sync.item.dbidVAV-151981en
sync.item.dbtypeVAVen
sync.item.insts2020.08.03 16:56:42en
sync.item.modts2020.08.03 16:15:26en
dc.coverage.issue1cs
dc.coverage.volume213cs
dc.identifier.doi10.1051/epjconf/201921302070cs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2100-014X/cs
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen


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Except where otherwise noted, this item's license is described as Creative Commons Attribution 4.0 International