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细长体出水空泡特性实验研究(英文) Title:ExperimentalStudyontheCharacteristicsofLongandThinBodyEmergingWaterBubble Abstract: Thispaperpresentsanexperimentalinvestigationofthecharacteristicsofalongandthinbodyemergingfromwaterasabubble.Thestudyfocusesonexaminingthefactorsthataffecttheformationandbehaviorofthebubble,includingthegeometryofthebody,thewatersurfacetension,andthevelocityofthebody'semergence.Theexperimentswereconductedusingacustom-designedapparatus,andtheresultsobtainedprovidevaluableinsightsintothedynamicsofbubbleformationandtheunderlyingphysicsinvolved. 1.Introduction: Theemergenceofalongandthinbodyasabubblefromwaterisaphenomenonobservedinvariousnaturalandengineeringsystems,suchasbubblesemergingfromtheblowholesofmarineanimalsoremergingbubblesinindustrialprocesses.Understandingtheformationandbehaviorofthesebubblesiscrucialfordesigningefficientprocessesandoptimizingperformance.Therefore,thisstudyaimstoexperimentallyinvestigatethecharacteristicsofsuchbubblesandanalyzetheunderlyingfactorsaffectingtheirformation. 2.ExperimentalSetup: Aspecializedapparatuswasdesignedandconstructedtoconducttheexperiments.Theapparatusconsistsofawatertankwithaheightadjustableplatformtocontroltheemergenceofthebody,ahigh-speedcameraforcapturingthebubbleformation,andvariousmeasuringdevices,suchaspressuresensorsandflowmeters,toquantitativelyanalyzethebubbleproperties. 3.ExperimentalProcedure: Theexperimentswereconductedbyvaryingthegeometryofthebody,includingitslengthanddiameter,aswellastheangleandspeedofemergencefromthewatersurface.Thewatersurfacetensionwasalsoadjustedbyaddingsurfactantstothewater.Theemergingbubbleswerecapturedusingthehigh-speedcamera,andtheobtainedvideosequenceswereanalyzedframebyframetodeterminevariousbubbleproperties,suchasbubbleheight,volume,andshape. 4.ResultsandDiscussion: Theexperimentalresultsrevealedseveralkeyfindings.Firstly,itwasobservedthatthegeometryofthebodysignificantlyaffectsbubbleformation.Alongerandthinnerbodytendstoformlargerandmoreelongatedbubbles.Secondly,thewaters