文档介绍：该【船舶进气畸变模拟板结构设计与参数分析 】是由【琪官】上传分享，文档一共【11】页，该文档可以免费在线阅读，需要了解更多关于【船舶进气畸变模拟板结构设计与参数分析 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。:..JournalofMarineScienceandApplication(2024)23:137-147https:///-024-00399-1RESEARCHARTICLEStructuralDesignandParameterAnalysisofShipInletDistortionSimulationBoardsZhongyiWang1,ChenxinHe1andYongleiQu1Received:26June2023/Accepted:09August2023?HarbinEngineeringUniversityandSpringer-VerlagGmbHGermany,partofSpringerNature2024Abstractpressorthrougha90°,,%–%.Inaddition,-,:symmetricalduallow-pressurezonesandlow-,therebymeetingthedistortionparameterrequirementsfortheanti-;pressorinlet;Simulationboard;Distortionsimulation;Experimentalstudy1Introductiondistortionconditionstoevaluatetheanti-distortionperfor‐,,plex;therefore,atotalpres‐,duringactualoperation,,monlyexperiencesanuneveninletflowfieldresultingfromtheusedtotalpressuredistortiongeneratormainlyinstallstur‐,suchassimulationboards,simula‐s,andinsertionboards,infrontoftheengine,typi‐inletandpotentiallyalterthebladeangleofattack,leadingcallyusingwakemixingtogeneratetotalpressuredistor‐toahigh-pressor’,preciseandadjustabledistortiongener‐performance(Zhongetal.,2020;Zhangetal.,2022).,ArticleHighlightsultimatelyprovidingimportantreferencesforimprovement?Measuretheaerodynamicparametersofthekeysectionoftheen‐?Analysisofflowfieldanddistortionindexunderdifferentsimula‐enginedistortionresistancetestshasbeenatopicofinter‐tionboardparameters.?(Baumbick,1970;Braithwaiteetal.,1970)utilizedairjetstogeneraterapidpressureoscilla‐*ChenxinHetionsfordistortionsimulation.******@,suchasslat,roundrod,variablelipbar,adjust‐1CollegeofPowerandEnergyEngineering,HarbinEngineeringableanglehyperboloid,splitwingstructureandsimulationUniversity,Harbin150001,work(al.,1992;al.,1990;Cousinsetal.,:..138JournalofMarineScienceandApplication2003;al.,2012;Savageetal.,2004;Beale2Modelingandsimulationboardparametersetal.,2002;WalterandJustin,2013),binedthesewithnumericalsimulationmethods(CastroandRobins,;Sakamotoetal.,1982;Mukhopadhyayetal.,1992;MartinuzziandTropea,1993;Rodi,1997)toachieveinletThisstudyselectedtheintakestructureofasmallsur‐.(2006;2007)pressor,asdescribedbyShi(2003),asthere‐,,pressorinletcowlandin‐‐takechannelwereextracted,andasimulationmodelwasterns,Yusoofetal.(binedBeale’sdistortionsimu‐establishedata1∶‐lationdevicewiththewakesuperpositionformulatostudymaininthesimulationincludestheintakechannel,simula‐theinfluenceoftheshapeofflatandrelativepositionstionboard,inletcowl,pressorinletsection,,monlyusetheinsert365mm,andthedistancebetweentheinstallationpositionboardmethodalongsideengineinletflowfielddistortionofthesimulationboardandtheinletandintakehoodwasevaluationtodesigntotalpressuredistortionsimulatorsrepresentedbyDand2D,respectively.(Liuetal.,1994).Scholars(Cangetal.,2000;Jiangetal.,2007;Jiangetal.,2008;Jiangetal.,2009;Zhuetal.,2014;Wangetal.,2015;Zhangetal.,2019;Liuetal.,2022b)con‐ductedexperimentalandsimulationstudiesontheinsertboarddistortionsimulator,analyzingtheflowfieldaftertheinsertboardtoobtainanapproximatelinearrelation‐shipbetweenthehighandlow-pressuredistributionbe‐ Distortionequivalentsimulationmodelinsertboardaffectstherangeofthelow-pressurezoneandthecircumferentialdistributionofturbulence;furthermore,-inducedstallmechanismsalsochangeduetotheUsingtheICEMCFDtoolmodule,,variousstructures,suchasdomainwasdividedintounstructuredgridstosimulatethebinationalbaffles,te-shapedflatbaffles,,andtriangleboards,havebeenpro‐(Lietal.,2009;.,2017;Pengetal.,2018;Ningetal.,2023;Zhouputationaldomainrevealsthatetal.,2023).binedwithnewsimulation4themainstreamwithRe>1×,suchasunsteadycalculationsandhybridRANS/Moreover,pressibleintheareabe‐LESmethods,tofurtheranalyzetheeffectsofinletMachhindtheplate,whereMa>‐numberandplateparametersontheflowalongthepipelineware,theReynoldsaveragedNavier-Stokesequations(arinoetal.,2003;iadis,2015;Liuheflowcharacteris‐etal.,2021;Liu,2021;Liuetal.,2022a).Inaddition,-equationk?εturbulencemodelwasemployed(2001)+valuefallswithintherangeof30–u‐‐‐ingflow,,atotaloffivenumericalsimulationandexperimentstocollectandana‐ridindependenceverifi‐lyzeflowfielddataunderdifferentsimulationboardparam‐,,simulationcalculations.‐rounddistortiontestsinordertoaddressthere‐,,:...:StructuralDesignandParameterAnalysisofShipInletDistortionSimulationBoards139Figure4 Simulatedboardheightandtotalpressuredistortion,weredefinedforquantitativeFigure2 Modelgriddivisionanalysis,‐formityofvelocityisdefinedastheratioofthespeedex‐tremevaluedifferenceandtheaveragevelocityinthe5%localareawiththehighestnonuniformityofvelocity,andthecalculationmethodisshowninEq.(1).éêêéêêéêêVi(5%)max?Vi(5%)minùúúùúúùúúδ=maxêê-úú(1)?Vi(5%)?-Intheformula,Vi(5%)istheweightedaveragespeedof5%localflowarea,andVi(5%)maxisthemaximumspeedinFigure3 Gridindependenceverificationthe5%‐bines,aschemeforthecalculationoftotalpressuredistor‐‐simulationboard,holedrillingontheboard,anddoublefinedastheratioofthedifferencebetweentheminimumsimulatedboardsareselectedtoconductresearchandsum‐averagepressureina60°sectorandtheaveragetotalpres‐marizetheinfluencingrulesofeachparameterontheflowsureonthesectiontotheaveragetotalpressureonthesec‐.(2).boardtotheinletwallisdefinedasthesimulationboard--,thedimensionlessparameterhisP?Pi(60)minDP=-(2),.(2021),‐thresholdinthesecond-generationvortexrecognitionparedwithasinglesimulatedboardtosum‐,:simulationboardisproposedbasedonthesummarizedin‐fluenceofvariousparametersontheflowfield.2BFΩ=22(3)AF+BF+εTwodimensionlessparameters,velocitynonuniformityTopreventthedenominatorfrombeingzero,addε::..140JournalofMarineScienceandApplication22ε==(BF?AF)(4)maxNext,‐mentsforvortexidentification:Ω>(5) SimulationboardreplacementdeviceAdistortionequivalentsimulationexperimentisper‐formedusingasimulatedboarddesigntovalidatetheac‐,,ausingthelow-speedwindtunnelofthepurificationandone-dimensionalradialdisplacementmechanism,.‐waspositioned250mmawayfromtheoutletoftheintakeponents,suchasatemperaturesensorPT100,differentialfairing,withanouterdiameterofDout=278mmandaninnerpressuretransmitterMG2000,absolutepressuretransmitterdiameterofDin=’sradial3351,,afterbymeasuringinletstaticpressure,atmosphericpressure,,resultinginapressureboxwithacontractionratioof1∶3,generatingameasurementerroroflessthan1%.Followingtheradialuniformandstableflowfieldthatmeetstheexperimentalre‐measurement,datafrom90measurementpointswerecol‐‐simulationboardreplacementdevice,acompressorinletvice,enablingtheanalysisof