往復(fù)軸磁性液體密封的理論及實(shí)驗(yàn)研究.pdf

1、北方交通大學(xué)碩士學(xué)位論文往復(fù)軸磁性液體密封的理論及實(shí)驗(yàn)研究姓名：王長(zhǎng)有申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：車輛工程指導(dǎo)教師：袁祖貽19990101三蘭蔓至望墨堂塑主!竺蘭!堡墨塑竺墾鯊堡蘭塾墮璺!!苧莖竺竺窒!AbstractAtthebeginningofthe1980s，thescientistsputforwardanewconceDtofdynamicsealtechnology——themagneticfluidsealofarecipr

2、ocatingshaft。ThemagneticfluidisanewkindofafunctionalmaterialithastheflowabilityasthefluidaswellasthemagnetismofthetraditionalmagneticmaterialForthespecialfunctionofthemagneticfluid，itpossessesthefunctionsthattheothermate

3、rialscall。tbeachievedinsomeapplyingfieldsThemagneticfluidsealofarotatingshafthasbeenappliedsuccessfullyThetheoreticalandexperimentalworkstoapplythemagneticfluidsealwiththereciprocatingshaftarestillattheexploringstage，The

4、authorhasworkedoutthecomputerfiniteelementmethodprogramtocalculatethemagneticfielddistributioninthemagneticfMdreciprocatingsealparts，Thefiniteelementmeshesandthenodenumbercanbegeneratedautomaticallythedistributionofmater

5、ialsAndthedistributionofmagneticlinesforthesolvingdomaincanbedrawanddisplayedThecalculationofthemagneticfluidintensityinseveralkindsofsealpansshowsthattheprogramhasthegeneralityofcalculatingallkindsofthesealpartsTheautho

6、rhascompletedthedesignandestablishmentofthemicrocosmicexperimentalrigofmagneticfluidsealofareciprocatingshaftTosomeextentthemicrocosmicexperimentalrigsatisfiestherequestofobservingthemagneticfluidmovementthroughamicrosco

7、peInthemicrocosmicexperiments，theauthorhasobservedthevariationofthemagneticfluidinsealgapwithdifferentreciprocatingshaftdisplacementandvelocityandcomparedthecalculatingdistributionofmagneticlinesinthemicrocosmicexperimen

8、talresultsTheinfluencesofthemovementparametersofthereciprocatingshagonthevariationofthemagneticfluidandthesealperformanceissummedupthroughtheresearchandtheanalysisTheresearchhascompletedthefirststageoftheprojectandhasdon