roughness3210543210543210Mechanical Systems EngineeringMechanical Systems Mechanical Systems EngineeringMechanical Systems Laminar-turbulenttransition(fromasmoothflowtoachaoticflowcontainingdifferentvortices)hasbeenstudiedasitaffectstheefficiencyoffluid/transportmachinerythroughdramaticchangesoftheflowproperty,e.g.,friction/pressuredragandheattransfer.Whydothesevorticescomeup?Howstrongcouldtheybecome?Canwecontroltheonset,developmentandcollapseofthevorticesforindustrialapplications?Wearetryingtoanswertheseissues,studyingthecharacteristicsofvorticesinthree-dimensionalflowswithProf.MasaharuMatsubara.Kentaro Katotheoryisappliedtomanyareas,Controlforexample,mechanicalsystems,electricsystems,andeconomicsystems.Especially,westudycontrolmethodsformechanicalsystems,suchas,torsionalvibrationsystem,andflexiblestructuresystem.Itisnecessarytoanalyzethosesystemstocontrolthem.Inourlaboratory,analysismethodsbasedoninput-outputdataofsystemsaredeveloped.Recently,techniquesofbigdataanalyticsareattractingourattentionandhavebeendeveloped.Therefore,ourmethodswouldbeusedmoreextensivelyinthebigdataera.Throughourexperimentsandanalysis,wefluidmechanics,butalsostudynotonlyvariouselectronics,optics,andcontrolusingprogramming.Suchexperiencesmakeusevenmoreactiveinfindingandsolvingproblemsoverpreviousbordersamongdifferentdisciplinesaswellasopenmoreopportunitiesforourcareers.disciplines,isusedtheoryControlforexample,mechanicalsystems,electricsystems,theandcontributionuseful.Especially,analysismethodsbasedondataareimportantandwillbecomenewmethodswiththedevelopmentoftechniquesofmachinelearningorAI.economiconsystems.controlInourcontrolindustrialStudentssucceedasengineers.laboratory,studentslearnthebasicsofisusedinmanytheory.Automaticcontroltool.willfieldsandsoisanessentialacquiringtechniquescontrolsuchasareas,inmanyTherefore,theoryisSpiralcross-flowvorticesoverabroadrotatingcone,whosecollapseleadstotransition.Thisflowhasbeeninvestigatedasacanonicalmodeltostudythesimilarvorticesdevelopingonswept/deltawings.Vorticalstructuresatthecrosssections(a-c)(obtainedfromhot-wiremeasurements;Katoetal.Phys.Rev.Fluids,4,053903,2019)Torsional vibration systemFlexible structure system(a)(b)(c)660248024802486666101214161820101214161810121416aaaaabbbbbccccccFundamentalunderstandingofthecharacteristicsofvorticesisessentialtodesign/controltheflowsandrelatedsystemseffectively.Usingsimplifiedmodels,westudyvorticesspeciallyonacurved/rotatingsurfaces,whichexistubiquitouslyonrealapplicationssuchasturbines,propellers,centrifugalseparators,windfarms,etc.After GraduationIn the FutureAfter GraduationIn the FutureAssistantProfessorAftercompletingPhDatKeioandUniveristyinKTHpostdocwork(Stockholm)by2021,thecurrenttitlefrom2022.Themaininterestmechanics,statistics/vorticalopticalmeasurementflowcontrol.2017atisfluidofstructure,andanalysisMasaya TanemuraAssistant ProfessorPhD in Eng. 2018, Shinshu Univ. Specially Appointed Assistant Professor in Nagoya Univ., April 2018 –March 2019, Assistant Professor in Shinshu Univ., April 2019 –now.EngineeringEngineeringWhere do the vortices come from?Why do they collapse?System Analysis for Control and Its Applications
元のページ ../index.html#58