磨合階段機械密封端面空穴率測量統計及摩擦特性研究.pdf

1、東南大學碩士學位論文磨合階段機械密封端面空穴率測量統計及摩擦特性研究姓名：陳海霞申請學位級別：碩士專業(yè)：固體力學指導教師：何小元孫見君20090524AbsttactMeasurementandStatisticsofProportionofEndFaces’CavitiesandResearchonFrictionCharacteristicsofMechanicalSealsSoutheastuniversityByCHENHai—

2、xiaduringRunning—inPeriodSupervisedbyHEXiao—yuan&SUNJianjunAbstractMechanicalsealsareequipmentssettlingsealbetweenswivelsandmachinesMechanicalsealsarewidelyusedinindustryTheperformancesofmechanicalsealsincludesealedperfo

3、rmancesandfrictioncharacteristicsProportionofendfaces’cavitiesofmechanicalsealsvariesunderfrictionandwearMakingresearchesontherelationsbetweenproportionofendfaces’cavitiesandfrictioncharacteristicsduringrunninginperiodca

4、nofferacademicbasestodesignofmechanicalsealsThemaincontentsofthisdissertationareoutlinedasfollows：ISummarizeresearchhistoryandactualityofsealedperformancesandfrictioncharacteristicsStatethesignificancesoftheresearchesCom

5、pareinvestigativemethodsofsealedperformancesofcontactingmechanicalsealsProposemethodofmeasuring3一DtopographyofsealendfacebasedonDICM2IntroducethebasicprincipleofdigitalimagecorrelationmethodSummarizemeasuringandcharacter

6、izingmethodsof3DtopographyComparethreemeasuringmethodsof3一DtopographyPutforwardcalculatingformulaof3DreconstructionbasedonbinocularstereovisionValidatetheformulabasedondigitalimagecorrelationmethodanditsprogramusingCCDan

7、dcalculatordisposingsystem，andthatDICMisaneffectiveapproachtOtestandCanbeusedtomeasurethe3Dtopography3Desearchonmeasurementandstatisticofproportionofendfaces’cavitiesandfrictioncharacteristicsofmechanicalsealsMeasurethet

8、opography，cavities，frictioncoefficient，wearlossandfrictiontorqueofmechanicalsealsRelationsbetweenproportionofcavitiesandtime，frictioncoefficient，wearlossfrictiontorqueareobtainedTheserelationsshowchangingruleoftheperform