On the behavior of inhaled fibers in a replica of the first airway bifurcation under steady flow conditions

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dc.contributor.authorLízal, Františekcs
dc.contributor.authorCabalka, Matoušcs
dc.contributor.authorMalý, Milancs
dc.contributor.authorElcner, Jakubcs
dc.contributor.authorBělka, Miloslavcs
dc.contributor.authorLízalová Šujanská, Elenacs
dc.contributor.authorFarkas, Árpádcs
dc.contributor.authorŠtarha, Pavelcs
dc.contributor.authorPech, Ondřejcs
dc.contributor.authorMišík, Ondrejcs
dc.contributor.authorJedelský, Jancs
dc.contributor.authorJícha, Miroslavcs
dc.coverage.issue4cs
dc.coverage.volume56cs
dc.date.issued2022-01-28cs
dc.description.abstractInhaled fibers can potentially cause inflammation of the lung tissue and interstitium, which after long-term exposure may lead to lung cancer, malignant mesothelioma, or pulmonary and pleural fibrosis. To reduce the risk and set the appropriate occupational hygiene regulations, it is important to be able to precisely calculate the fate of inhaled fibers depending on their physical characteristics and inhalation conditions. In the absence of experimental data on the real behavior - trajectories, orientation and flipping - of inhaled fibers, a new test rig was assembled for visualization and recording of flowing fibers in a replica of the human trachea and the first bronchial bifurcation. Fibers prepared from commercially produced glass fibers have been processed, dispersed, and introduced into the airway replica. Visualization was performed using a powerful LED light and a high-speed camera. The flow of fibers was evaluated upstream and downstream of the realistic asymmetrical bifurcation and dependence on flow conditions was sought. The fractions of parallelly and perpendicularly flowing fibers were statistically evaluated in three locations. The frequency of flipping was also analyzed. The results show that the parallel orientation of the fibers is less dominant than expected. The fiber orientation tables for various conditions can be used to adjust and improve computational simulations of inhaled fibers in the human airways.en
dc.formattextcs
dc.format.extent367-381cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationAEROSOL SCIENCE AND TECHNOLOGY. 2022, vol. 56, issue 4, p. 367-381.en
dc.identifier.doi10.1080/02786826.2022.2027334cs
dc.identifier.issn0278-6826cs
dc.identifier.orcid0000-0002-0389-608Xcs
dc.identifier.orcid0000-0002-5394-3817cs
dc.identifier.orcid0000-0002-1193-519Xcs
dc.identifier.orcid0000-0001-9287-4458cs
dc.identifier.orcid0000-0001-8905-9751cs
dc.identifier.orcid0000-0001-8150-913Xcs
dc.identifier.orcid0000-0002-9299-7762cs
dc.identifier.orcid0000-0003-4683-5145cs
dc.identifier.orcid0000-0002-1268-8434cs
dc.identifier.orcid0000-0002-1409-5165cs
dc.identifier.other176919cs
dc.identifier.researcheridD-4363-2018cs
dc.identifier.researcheridAFF-1248-2022cs
dc.identifier.researcheridAAY-7288-2021cs
dc.identifier.researcheridI-3748-2018cs
dc.identifier.researcheridAAE-8423-2019cs
dc.identifier.researcheridM-3458-2018cs
dc.identifier.researcheridA-9224-2013cs
dc.identifier.researcheridCVT-7747-2022cs
dc.identifier.scopus54966786300cs
dc.identifier.scopus57442532900cs
dc.identifier.scopus57189715785cs
dc.identifier.scopus55090074500cs
dc.identifier.scopus56579326200cs
dc.identifier.scopus55823799100cs
dc.identifier.scopus23090535800cs
dc.identifier.scopus6602494673cs
dc.identifier.urihttp://hdl.handle.net/11012/204599
dc.language.isoencs
dc.publisherTaylor & Franciscs
dc.relation.ispartofAEROSOL SCIENCE AND TECHNOLOGYcs
dc.relation.urihttps://www.tandfonline.com/doi/full/10.1080/02786826.2022.2027334cs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0278-6826/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectNONSPHERICAL PARTICLESen
dc.subjectDEPOSITIONen
dc.subjectASBESTOSen
dc.subjectMOTIONen
dc.titleOn the behavior of inhaled fibers in a replica of the first airway bifurcation under steady flow conditionsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-176919en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:47:15en
sync.item.modts2025.01.17 17:33:07en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. EÚ-odbor termomechaniky a techniky prostředícs
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