直线电机驱动往复泵流量压力变化规律试验研究

:2008209210:(19832),,,,,E2mail:[e-mail]:100123482(2009)0420056206,((),257061):,,,,,,,,,,:;;;;:TE926.07:AExperimentalResearchonFlowandPressureVariationofLinearMotorDrivenReciprocatingPumpYANGTie2ning,ZHANGJin2zhong(CollegeofMechanicalandElectricalEngineering,ChinaUniversityofPetroleum,Dongying257061,China)Abstract:Beingasadriveofreciprocatingpump,linearmotorwiththoseadvantagesassimplestructure,steadymovementandhighprecisioncouldeliminatethepulsationofoutputflowrateandoutputpressure.Accordingtothetheorytarget,theexperimentalfacilityoflinearmotordrivenreciprocatingpumpwassetup.Theflowrateandpressuresignalsofeachhydrauliccylin2derandthemasterpipelinewereacquiredunderdifferentworkingconditions.Theactualworkingperformanceofthepumpwasdemonstratedwithdataacquisitiondevice.Theanalysisofdatashowedthattheoutputflowratewasstableandtherewasalittlefluctuationofpressure.Inor2dertoimprovethedesign,transformationandusageoflinearmotordrivenreciprocatingpump,factorsaffectingtheflowrateandpressureperformancewerefound,ascomparedwiththeoreticalanalysis.Keywords:linearmotor;reciprocatingpump;flowrate;pressurefluctuation;experimentalre2search,,,,,,,,,200938456OILFIELDEQUIPMENT2009,38(4):5661©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.)LMCF1502;()1m;ElmoCom2poser;2300Nb),«30mm;344mm;,1030min-1c)A/D,32A/D1.3,2,,,1,12,,2,1,1#1#0t/2,2,(1#),(2#),t/2t,2,21,1#2A,v,1Q=Av,,1#22013m/s2,1s,2,33S=300mm;n=15min-12#1#,1#t/424,75384,:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=2ZSAn60=ZSnD2120,Q,m3/s;Z;S,m;D,m;n,min-15,,,,,,,,[1]5,,,,2,5,,66,,7017MPa,1#2#,31#9,14.2,8520094©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ŠQout/(m3h-1)Q/(m3h-1)/%10.10.7300.0101.420.20.7250.0152.130.40.7100.0202.840.50.7100.0202.850.60.7050.0253.560.80.7000.0304.371.00.6950.0355.081.20.6950.0375.391.40.6900.0405.889a),,,,8,,,,,b),1m,250ms,,21/4,95384,:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(10),2t/4+011s,018(1),211,2.50%,13.40%,10.33%,,,210AMESim0.1s11AMESim2AMESim0.80.60.40.2/%13.4013.4013.4013.40/%10.3310.5110.9211.892,,10%,;,13.40%,2,24.3[223],,,,,4.4[4],2,,,2,33,pout1;p1,p31pout/MPap/MPap/%10.080.0225.020.190.0317.730.290.0517.140.370.0719.450.490.0817.260.570.0916.570.710.1217.580.910.1617.791.080.1917.83,,p,,,,,0620094©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),,,2),,;,3),,,:[1],.[M].:,1990.[2],,,.[J].,2003,32(3):35237.[3].[J].,2007(4):47257.[4],,,.[J].,2003,32(6):1012108.:2008212216:(19692),,,,,E2mail:[e-mail]:100123482(2009)0420061203,,(,730070):,,,,2,:;;;;:TE931.207:AUsingAcousticEmissionTechniquetoMonitorCrackonOilPipeLinesDONGShi2fang,TONGChang2hong,LIUShan2chun(MechanicalDetectionandFaultDiagnosisInstitute,LanzhouCityCollege,Lanzhou730070,China)Abstract:Breakageonpipelinesfrequentlyoccurredandanaccuratediagnosticmethodwaspro2posedtouseacousticemissiontodiagnosethebreakagepositionofpipelinesbasedoncorrelationfunctionanalysis.Fromtheviewofapplication,themethodondisposingoftestingpointsandda2taprocessingwasdiscussed.Keywords:acousticemission;soundsensors;correlationfunction;undergroundpipelines;crackdiagnosis200938461OILFIELDEQUIPMENT2009,38(4):6163©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.