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Spectral analysis of pressure, noise and vibration velocity measurement in cavitation

dc.contributor.authorJablonská, Jana
dc.contributor.authorMahdal, Miroslav
dc.contributor.authorKozubková, Milada
dc.date.accessioned2017-12-07T08:33:53Z
dc.date.available2017-12-07T08:33:53Z
dc.date.issued2017
dc.identifier.citationMeasurement Science Review. 2017, vol. 17, issue 6, p. 250-256.cs
dc.identifier.issn1335-8871
dc.identifier.urihttp://hdl.handle.net/10084/122339
dc.description.abstractThe article deals with experimental investigation of water cavitation in the convergent-divergent nozzle of rectangular cross-section. In practice, a quick and simple determination of cavitation is essential, especially if it is basic cavitation or cavitation generated additionally by the air being sucked. Air influences the formation, development and size of the cavity area in hydraulic elements. Removal or reduction of the cavity area is possible by structural changes of the element. In case of the cavitation with the suction air, it is necessary to find the source of the air and seal it. The pressure gradient, the flow, the oxygen content in the tank, and hence the air dissolved in the water, the air flow rate, the noise intensity and the vibration velocity on the nozzle wall were measured on laboratory equipment. From the selected measurements the frequency spectrum of the variation of the water flow of the cavity with cavitation without air saturation and with air saturation was compared and evaluated.cs
dc.format.extent1062929 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoencs
dc.publisherDe Gruytercs
dc.relation.ispartofseriesMeasurement Science Reviewcs
dc.relation.urihttps://doi.org/10.1515/msr-2017-0030cs
dc.rights© by Jana Jablonská. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectcavitationcs
dc.subjectnoisecs
dc.subjectvibrationcs
dc.subjectspectral analysiscs
dc.subjectCFDcs
dc.titleSpectral analysis of pressure, noise and vibration velocity measurement in cavitationcs
dc.typearticlecs
dc.identifier.doi10.1515/msr-2017-0030
dc.rights.accessopenAccesscs
dc.type.versionpublishedVersioncs
dc.type.statusPeer-reviewedcs
dc.description.sourceWeb of Sciencecs
dc.description.volume17cs
dc.description.issue6cs
dc.description.lastpage256cs
dc.description.firstpage250cs
dc.identifier.wos000416033300001


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© by Jana Jablonská. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Kromě případů, kde je uvedeno jinak, licence tohoto záznamu je © by Jana Jablonská. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.