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Plasma Actuators Based on Alumina Ceramics for Active Flow Control Applications

2024Journal article Open access
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dc.contributor.authorRodrigues, Frederico
dc.contributor.authorShvydyuk, Kateryna
dc.contributor.authorNunes-Pereira, João
dc.contributor.authorPascoa, Jose
dc.contributor.authorSilva, Abilio
dc.date.accessioned2024-02-28T14:22:43Z
dc.date.available2024-02-28T14:22:43Z
dc.date.issued2024
dc.description.abstractPlasma actuators have demonstrated great potential for active flow control applications, including boundary layer control, flow separation delay, turbulence control, and aircraft noise reduction. In particular, the material used as a dielectric barrier is crucial for the proper operation of the device. Currently, the variety of dielectrics reported in the literature is still quite restricted to polymers including Kapton, Teflon, poly(methyl methacrylate) (PMMA), Cirlex, polyisobutylene (PIB) rubber, or polystyrene. Nevertheless, several studies have highlighted the fragilities of polymeric dielectric layers when actuators operate at significantly high-voltage and -frequency levels or for long periods. In the current study, we propose the use of alumina-based ceramic composites as alternative materials for plasma actuator dielectric layers. The alumina composite samples were fabricated and characterized in terms of microstructure, electrical parameters, and plasma-induced flow velocity and compared with a conventional Kapton-based actuator. It was concluded that alumina-based dielectrics are suitable materials for plasma actuator applications, being able to generate plasma-induced flow velocities of approximately 4.5 m/s. In addition, it was verified that alumina-based ceramic actuators can provide similar fluid mechanical efficiencies to Kapton actuators. Furthermore, the ceramic dielectrics present additional characteristics, such as high-temperature resistance, which are not encompassed by conventional Kapton actuators, which makes them suitable for high-temperature applications such as turbine blade film cooling enhancement and plasma-assisted combustion. The high porosity of the ceramic results in lower plasma-induced flow velocity and lower fluid mechanical efficiency, but by minimizing the porosity, the fluid mechanical efficiency is increased.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRodrigues, F.F.; Shvydyuk, K.O.; Nunes-Pereira, J.; Páscoa, J.C.; Silva, A.P. Plasma Actuators Based on Alumina Ceramics for Active Flow Control Applications. Ceramics 2024, 7, 192–207. https://doi.org/10.3390/ ceramics7010012pt_PT
dc.identifier.doi10.3390/ceramics7010012pt_PT
dc.identifier.eissn2571-6131
dc.identifier.urihttp://hdl.handle.net/10400.6/14272
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationCentre for Mechanical and Aerospace Science and Technologies
dc.relationCentre for Mechanical and Aerospace Science and Technologies
dc.relationEcoSensHeal: Self-sensing and self-healing composites for high responsibility applications based on recycled materials
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAluminapt_PT
dc.subjectCeramic compositespt_PT
dc.subjectDielectric barrier dischargept_PT
dc.subjectFlow controlpt_PT
dc.subjectKaptonpt_PT
dc.subjectPlasma actuatorspt_PT
dc.subjectPlasm-induced flow velocitypt_PT
dc.subjectPorositypt_PT
dc.titlePlasma Actuators Based on Alumina Ceramics for Active Flow Control Applicationspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Mechanical and Aerospace Science and Technologies
oaire.awardTitleCentre for Mechanical and Aerospace Science and Technologies
oaire.awardTitleEcoSensHeal: Self-sensing and self-healing composites for high responsibility applications based on recycled materials
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00151%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00151%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND5ed/2022.05613.CEECIND%2FCP1746%2FCT0001/PT
oaire.citation.endPage207pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage192pt_PT
oaire.citation.titleCeramicspt_PT
oaire.citation.volume7pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND5ed
person.familyNameRodrigues
person.familyNameOleksandrivna Shvydyuk
person.familyNameNunes-Pereira
person.familyNamePascoa
person.familyNameSilva
person.givenNameFrederico
person.givenNameKateryna
person.givenNameJoão
person.givenNameJose
person.givenNameAbilio
person.identifier814114
person.identifier.ciencia-id451F-14AE-2B4F
person.identifier.ciencia-idA81F-3B69-3E2B
person.identifier.ciencia-id6D16-6F7E-64F0
person.identifier.ciencia-id1710-5975-0E2E
person.identifier.ciencia-idD314-9C94-0B0F
person.identifier.orcid0000-0001-8904-607X
person.identifier.orcid0000-0002-7973-6517
person.identifier.orcid0000-0002-6024-8716
person.identifier.orcid0000-0001-7019-3766
person.identifier.orcid0000-0002-2100-7223
person.identifier.ridAAD-6349-2020
person.identifier.ridO-1474-2013
person.identifier.scopus-author-id56489820000
person.identifier.scopus-author-id57200519831
person.identifier.scopus-author-id8540933900
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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