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1、MANDieselPrimeServAcademyPMI&CoCoS-EDSApplicationsPrimeServ-AcademyCopenhagenMEEngine-PMI(January2010)?MANDiesel2010/01/01<1>PMIsystem–purposeThepurposeistofollowalterationsin:thecombustionconditions,thegeneralcylindercondition,thegeneralengineconditio
2、ninordertodiscoveranyoperationalPrimeServ-AcademyCopenhagendisturbances.MEEngine-PMI(January2010)?MANDiesel2010/01/01MEPMIObservations:Enginespoorlybalanced,oftenoutsiderecommendeddeviationlimitsEnginesoperatedwithlowPmaxlevelResult:Increasedfueloilcon
3、sumption&CO2emissions1barincreaseinaveragePmax=>0.20-0.30g/kWhdecreaseinfueloilconsumptionAction:PrimeServ-AcademyCopenhagenAdjustenginecontinuouslytobestoperatingconditionsMEEngine-PMI(January2010)?MANDiesel2010/01/01PMIsystem–ensuresToensuresEmission
4、saccordingTechnicalFilewith:specifiedcomponentsPrimeServ-AcademyCopenhagen>specifiedPerformance5、ducerPMIcontrollerPowerEnginesupplycontrolroomLEDindicatorIntermediateOrfrequencyPrimeServ-AcademyCopenhagendividerboxCrankshaftpickupmountedatfreeendofcrankshaftTwo-strokedieselengineMEEngine-PMI(January2010)?MANDiesel2010/01/01<6>PMI–CylinderPressure
6、AnalyserPrimeServ-AcademyCopenhagenMEEngine-PMI(January2010)?MANDiesel2010/01/01PMIPrimeServ-AcademyCopenhagenMEEngine-PMI(January2010)?MANDiesel2010/01/01<9>PTdiagramPrimeServ-AcademyCopenhagenMEEngine-PMI(January2010)?MANDiesel2010/01/01PTdiagram-zoo
7、medPrimeServ-AcademyCopenhagenMEEngine-PMI(January2010)?MANDiesel2010/01/01PVdiagramPrimeServ-AcademyCopenhagenMEEngine-PMI(January2010)?MANDiesel2010/01/01Balancedplot,Pmax-PcompP,comptuningisdonebyenteringaCompressionRatioOffset:C,Ratio=P,Comp/P,Scav
8、.C,RatioOffset=-1,1/3,62=-0,31,1bar(ReadingfromP.scavsensoriscorrectedtoAbsolutevaluebyaddingathmospheric-2,5barpressure,1bar)PrimeServ-AcademyCopenhagenP,Max.TuningisdonebyenteringanoffsetdirectelyinbarMEEngine-PMI(January2010)?MANDies