Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11779/1580
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dc.contributor.authorGarip Genç-
dc.contributor.authorŞanlıtürk, Kenan Y.-
dc.contributor.authorYusuf Saygılı-
dc.contributor.authorHasan Körük-
dc.date.accessioned2021-10-26T10:58:44Z-
dc.date.available2021-10-26T10:58:44Z-
dc.date.issued2021-
dc.identifier.citationKoruk, H., Saygili, Y., Genc, G., & Sanliturk, K. Y. (1 September 2021). Identification of uncertainty levels of acoustic properties of biocomposites under different mounting conditions in impedance tube tests. Noise Control Engineering Journal, 69(5), 392–400. https://doi.org/10.3397/1/376936 ‌en_US
dc.identifier.issn0736-2501-
dc.identifier.urihttps://hdl.handle.net/20.500.11779/1580-
dc.identifier.urihttps://doi.org/10.3397/1/376936-
dc.description.abstractImpedance tube method is widely used to measure acoustic properties of materials. Although this method yields reliable acoustic properties for soft textured materials, uncertainty levels of measured acoustic properties for hard materials, including biocomposites, can be quite large, mainly due to uncertain mounting conditions. Here, the effects of mounting conditions on the acoustic properties of biocomposites in an impedance tube are investigated. First, nominally identical biocomposite samples with a diameter equal to the inner diameter of impedance tube are manufactured and their acoustic properties are determined. As hard materials practically cause fitting problems in the impedance tube, the diameters of samples are reduced, as in practice, by small amounts and acoustic properties of modified samples are determined. Furthermore, in order to match the diameters of samples to the inner diameter of impedance tube, different materials such as tape, petroleum jelly and cotton are applied around samples to close the air gap between the samples and the tube's inner wall. All the results are compared, and the uncertainty levels caused by different mounting conditions on the acoustic properties of biocomposites are identified. The results show that the transmission loss (TL) measurements are dramatically affected by the mounting conditions while the sound absorption conditions are less sensitive to the mounting conditions. The deviations in the measured TL levels are highest for the samples with tape and wax (10–15 dB). On the other hand, the deviations in the measured sound absorption coefficients are highest for the samples with cotton and tape (1–2%).en_US
dc.language.isoenen_US
dc.publisherInstitute of Noise Control Engineeringen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAcoustic propertiesen_US
dc.subjectAir gapen_US
dc.subjectInner diameteren_US
dc.subjectAbsorption coefficientsen_US
dc.subjectPetroleum jellyen_US
dc.subjectOther handen_US
dc.subjectProperties of materialsen_US
dc.subjectSound absorptionen_US
dc.subjectHard materialsen_US
dc.subjectImpedance tubeen_US
dc.titleIdentification of Uncertainty Levels of Acoustic Properties of Biocomposites Under Different Mounting Conditions in Impedance Tube Testsen_US
dc.typeArticleen_US
dc.identifier.doi10.3397/1/376936-
dc.identifier.scopus2-s2.0-85119483800en_US
dc.authoridHasan Körük / 0000-0003-4189-6678-
dc.description.woscitationindexScience Citation Index Expanded-
dc.identifier.wosqualityQ4-
dc.description.WoSDocumentTypeArticle-
dc.description.WoSInternationalCollaborationUluslararası işbirliği ile yapılmayan - HAYIRen_US
dc.description.WoSPublishedMonthEylülen_US
dc.description.WoSIndexDate2020en_US
dc.description.WoSYOKperiodYÖK - 2020-21en_US
dc.identifier.scopusqualityQ4-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.startpage392-400en_US
dc.identifier.issue1en_US
dc.identifier.volume69en_US
dc.departmentMühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.relation.journalNoise Control Engineering Journalen_US
dc.identifier.wosWOS:000708228600001en_US
dc.institutionauthorKörük, Hasan-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Makine Mühendisliği Bölümü Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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