Page 143 - 《水资源与水工程学报》2024年第6期
P. 143

! 35 " ! 6 #                      & ' ( ) & * + , -                               Vol.35No.6
               2024 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2024

            DOI:10.11705/j.issn.1672-643X.2024.06.14


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                     Dynamiccharacteristicsoffluid-structurecouplingofemergency

                               gate -gateslotinpumpedstoragepowerstations

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                         GAOZhiwei,FENGHuihui,XIELisheng,DIAONan,DINGPengcheng
                        (1.CollegeofMechanicalandElectricalEngineering,HohaiUniversity,Changzhou213022,China;
                          2.ShanghaiInvestigation,DesignandResearchInstituteCo.,Ltd.,Shanghai200434,China)
                 Abstract:Inpracticalengineering,tailwateremergencysluicegateiscloselylinkedtosluicegateslots
                 inapumpedstoragepowerstation.Undertheactionofwaterpulsation ,theyinteractwitheachotherand
                 formanewsystem.Inordertostudytheinfluencingmechanismofsluicegateslotsontailwateremergen
                 cysluicegate ,thefluid-structurecouplingnumericalsimulationofasluicegateinalargepumpedstor
                 agepowerstationwascarriedoutbyANSYSWorkbench.Twokindsofwaterflowfieldmodelswerecon
                 structedwiththeconsiderationofthepresenceorabsenceofgateslots.Subsequently ,thechangesof
                 physicalcharacteristicssuchasflowfieldpressure ,velocity,stressanddisplacementofgatecomponents
                 inthefluid-structurecouplingmodelwithandwithoutgateslotswerestudiedundereightdifferentgate
                 openingdegrees (10% -80%).Theresultsshowthattheequivalentstressanddisplacementofthegate
                 decreasegraduallywiththeincreaseofsluicegateopening.Inaddition ,evenaslightchangeinopening
                 cancastasignificantimpactonthestressanddeformationparametersofthegate.Theexistenceofthe
                 gateslotsignificantlyaffectsthepressureandvelocitydistributionintheflowfield ,resultinginthedistri
                 butionchangeofthelowpressurearea ,theincreaseofflowvelocityandtheaggravationoffluidstratifica
                 tion.Whenconsideringthesluicegateslotmodel ,themaximumdisplacementandstressofeachcompo

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