Assessment of the Dynamic Range of Magnetorheological Gradient Pinch-Mode Prototype Valves

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dc.contributor.authorŽáček, Jiřícs
dc.contributor.authorGoldasz, Januszcs
dc.contributor.authorSapinski, Bogdancs
dc.contributor.authorSedlačík, Michalcs
dc.contributor.authorStrecker, Zbyněkcs
dc.contributor.authorKubík, Michalcs
dc.coverage.issue12cs
dc.coverage.volume12cs
dc.date.accessioned2024-02-22T13:46:23Z
dc.date.available2024-02-22T13:46:23Z
dc.date.issued2023-12-04cs
dc.description.abstractMagnetorheological (MR) fluids have been known to react to magnetic fields of sufficient magnitudes. While in the presence of the field, the material develops a yield stress. The tunable property has made it attractive in, e.g., semi-active damper applications in the vibration control domain in particular. Within the context of a given application, MR fluids can be exploited in at least one of the fundamental operating modes (flow, shear, squeeze, or gradient pinch mode) of which the gradient pinch mode has been the least explored. Contrary to the other operating modes, the MR fluid volume in the flow channel is exposed to a non-uniform magnetic field in such a way that a Venturi-like contraction is developed in a flow channel solely by means of a solidified material in the regions near the walls rather than the mechanically driven changes in the channel’s geometry. The pinch-mode rheology of the material has made it a potential candidate for developing a new category of MR valves. By convention, a pinch-mode valve features a single flow channel with poles over which a non-uniform magnetic field is induced. In this study, the authors examine ways of extending the dynamic range of pinch-mode valves by employing a number of such arrangements (stages) in series. To accomplish this, the authors developed a prototype of a multi-stage (three-stage) valve, and then compared its performance against that of a single-stage valve across a wide range of hydraulic and magnetic stimuli. To summarize, improvements of the pinch-mode valve dynamic range are evident; however, at the same time, it is hampered by the presence of serial air gaps in the flow channel.en
dc.formattextcs
dc.format.extent1-14cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationActuators. 2023, vol. 12, issue 12, p. 1-14.en
dc.identifier.doi10.3390/act12120449cs
dc.identifier.issn2076-0825cs
dc.identifier.orcid0000-0002-2883-6702cs
dc.identifier.orcid0000-0002-1598-487Xcs
dc.identifier.orcid0000-0003-0105-2921cs
dc.identifier.other185671cs
dc.identifier.researcheridABG-2621-2021cs
dc.identifier.researcheridV-8641-2019cs
dc.identifier.researcheridK-3568-2014cs
dc.identifier.urihttps://hdl.handle.net/11012/245191
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofActuatorscs
dc.relation.urihttps://www.mdpi.com/2076-0825/12/12/449cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2076-0825/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectmagnetorheological fluiden
dc.subjectgradient pinch modeen
dc.subjectvalveen
dc.subjectdynamic rangeen
dc.titleAssessment of the Dynamic Range of Magnetorheological Gradient Pinch-Mode Prototype Valvesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-185671en
sync.item.dbtypeVAVen
sync.item.insts2024.02.22 14:46:23en
sync.item.modts2024.02.22 14:12:57en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav konstruovánícs
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