磨合階段機(jī)械密封端面空穴率測(cè)量統(tǒng)計(jì)及摩擦特性研究.pdf

1、東南大學(xué)碩士學(xué)位論文磨合階段機(jī)械密封端面空穴率測(cè)量統(tǒng)計(jì)及摩擦特性研究姓名：陳海霞申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：固體力學(xué)指導(dǎo)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