The influence of spill-line geometry on a spray generated by a pressure-swirl atomizer

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dc.contributor.authorMalý, Milancs
dc.contributor.authorJanáčková, Ladacs
dc.contributor.authorJedelský, Jancs
dc.contributor.authorJícha, Miroslavcs
dc.coverage.issue2016cs
dc.coverage.volume114cs
dc.date.accessioned2019-04-03T10:52:20Z
dc.date.available2019-04-03T10:52:20Z
dc.date.issued2016-03-28cs
dc.description.abstractAn experimental investigation of characteristics of spray generated by a pressure-swirl atomizer (spill-return type) was performed using shadowgraphy and Phase-Doppler Anemometry (PDA). Several different geometries of the spill-return orifice were tested in terms of a spray stability and quality on a cold test bench. PDA measurement yields a drop-size distribution and velocity data while the shadowgraphy unveils a break-up process in detail. Performed measurements reveal significant differences in spray characteristics as well as differences in spray stability. The results suggest that the air core, formed inside the swirl chamber, passes through the spill orifice, which causes instability of the inner flow. These instabilities lead to a chaotic state of sheet breakup resulting in shortening of breakup distance. Obtained findings are used to propose possible changes in the atomizer design for improvement of its performance.en
dc.formattextcs
dc.format.extent1-6cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationEPJ Web of Conferences. 2016, vol. 114, issue 2016, p. 1-6.en
dc.identifier.doi10.1051/epjconf/201611402070cs
dc.identifier.issn2100-014Xcs
dc.identifier.other127916cs
dc.identifier.urihttp://hdl.handle.net/11012/70147
dc.language.isoencs
dc.publisherEDP Sciencescs
dc.relation.ispartofEPJ Web of Conferencescs
dc.relation.urihttps://www.epj-conferences.org/articles/epjconf/abs/2016/09/epjconf_efm2016_02070/epjconf_efm2016_02070.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.subjectSpill-lineen
dc.subjectPressure-swirlen
dc.subjectPhase Doppler Anemometryen
dc.titleThe influence of spill-line geometry on a spray generated by a pressure-swirl atomizeren
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-127916en
sync.item.dbtypeVAVen
sync.item.insts2020.04.01 06:07:44en
sync.item.modts2020.04.01 05:47:26en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Energetický ústavcs
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. EÚ-odbor termomechaniky a techniky prostředícs
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