Comparison of two inlet boundary approaches in numerical simulation of car ventilation outlet flow

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dc.contributor.authorTalanda, Tomášcs
dc.contributor.authorNiedoba, Pavelcs
dc.contributor.authorLízal, Františekcs
dc.contributor.authorJícha, Miroslavcs
dc.coverage.volume114cs
dc.date.issued2015-11-17cs
dc.description.abstractThe paper is concerned with the comparison of two inlet boundary approaches of numerical simulations. The first approach is based on the simulation of a sufficiently long duct upstream the area of interest with known volumetric flow rate. The second approach rests on the experimental measurement of the section closer to the area of interest. The experimental measurement provides velocity profile and in addition turbulent intensity compared to the first approach where only a velocity profile can be computed according to known volumetric flow rate. A simplified model of car ventilation outlet was chosen as a test case. The model consists of circular and rectangular duct, area of interest (closing flap, vertical slats and horizontal slats) and outlet box. We have compared the two mentioned inlet boundary approaches for two distinct values of volumetric flow rate for which the experimental data of the section upstream of the area of interest are available. The velocity and the turbulent kinetic energy profiles downstream of the area of interest were chosen as comparative characteristics.en
dc.description.abstractThe paper is concerned with the comparison of two inlet boundary approaches of numerical simulations. The first approach is based on the simulation of a sufficiently long duct upstream the area of interest with known volumetric flow rate. The second approach rests on the experimental measurement of the section closer to the area of interest. The experimental measurement provides velocity profile and in addition turbulent intensity compared to the first approach where only a velocity profile can be computed according to known volumetric flow rate. A simplified model of car ventilation outlet was chosen as a test case. The model consists of circular and rectangular duct, area of interest (closing flap, vertical slats and horizontal slats) and outlet box. We have compared the two mentioned inlet boundary approaches for two distinct values of volumetric flow rate for which the experimental data of the section upstream of the area of interest are available. The velocity and the turbulent kinetic energy profiles downstream of the area of interest were chosen as comparative characteristics.en
dc.formattextcs
dc.format.extent788-791cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationEPJ Web of Conferences. 2015, vol. 114, p. 788-791.en
dc.identifier.doi10.1051/epjconf/201611402120cs
dc.identifier.issn2100-014Xcs
dc.identifier.orcid0000-0002-0389-608Xcs
dc.identifier.orcid0000-0002-1409-5165cs
dc.identifier.other120570cs
dc.identifier.researcheridD-4363-2018cs
dc.identifier.researcheridCVT-7747-2022cs
dc.identifier.scopus54966786300cs
dc.identifier.scopus6602494673cs
dc.identifier.urihttp://hdl.handle.net/11012/70016
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_02120/epjconf_efm2016_02120.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.subjectinlet boundary conditionen
dc.subjectcar ventilation outleten
dc.subjectnumerical simulationen
dc.subjectinlet boundary condition
dc.subjectcar ventilation outlet
dc.subjectnumerical simulation
dc.titleComparison of two inlet boundary approaches in numerical simulation of car ventilation outlet flowen
dc.title.alternativeComparison of two inlet boundary approaches in numerical simulation of car ventilation outlet flowen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-120570en
sync.item.dbtypeVAVen
sync.item.insts2025.10.14 14:52:29en
sync.item.modts2025.10.14 10:39:26en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Energetický ústavcs
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