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dc.contributor.authorVarbanets, Romancs
dc.contributor.authorFomin, Oleksijcs
dc.contributor.authorPíštěk, Václavcs
dc.contributor.authorKlymenko, Valentyncs
dc.contributor.authorMinchev, Dmytrocs
dc.contributor.authorKhrulev, Alexandercs
dc.contributor.authorZalozh, Vitaliics
dc.contributor.authorKučera, Pavelcs
dc.date.accessioned2021-05-17T10:53:07Z
dc.date.available2021-05-17T10:53:07Z
dc.date.issued2021-03-14cs
dc.identifier.citationJournal of Marine Science and Engineering . 2021, vol. 9, issue 3, p. 1-13.en
dc.identifier.issn2077-1312cs
dc.identifier.other170747cs
dc.identifier.urihttp://hdl.handle.net/11012/196752
dc.description.abstractThe article presents the acoustic method of marine low-speed engine turbocharger parameter estimation under operating conditions when a prompt assessment of instantaneous turbocharger speed and rotor vibration level is required. The method lies in the analysis of the acoustic signal that is generated by the compressor of the turbocharger with the diesel engine running under load. The spectral analysis reveals that the compressor blades generate acoustic oscillations that are always present in the overall acoustic spectrum of the turbocharger regardless of its technical condition. The harmonic components corresponding to the blades can be detected in the spectrum using the limit method. The calculated instantaneous turbocharger speed makes it possible to analyze the main harmonic amplitude in the spectrum. The method presented in this paper helps eliminate discrete Fourier transform (DFT) spectral leakage so that the amplitude of the main harmonic can be estimated. Further analysis of the amplitude of the main harmonic allows for efficient estimation of the turbocharger rotor vibration level when in operation. The method can be practically applied by means of a smartphone or a computer that has the dedicated software installed. The proposed method lays the foundations for a permanent monitoring system of turbocharger speed and vibration in industrial and marine diesel engines.en
dc.formattextcs
dc.format.extent1-13cs
dc.format.mimetypeapplication/pdfcs
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofJournal of Marine Science and Engineeringcs
dc.relation.urihttps://www.mdpi.com/2077-1312/9/3/321/htmcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectturbocharger diagnosticsen
dc.subjectlarge diesel engineen
dc.subjectacoustic spectral analysisen
dc.subjectDFT leakageen
dc.titleAcoustic Method for Estimation of Marine Low-Speed Engine Turbocharger Parametersen
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav automobilního a dopravního inženýrstvícs
sync.item.dbidVAV-170747en
sync.item.dbtypeVAVen
sync.item.insts2021.05.17 12:53:07en
sync.item.modts2021.05.17 12:14:18en
dc.coverage.issue3cs
dc.coverage.volume9cs
dc.identifier.doi10.3390/jmse9030321cs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2077-1312/cs
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen


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