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1、GlossaryAmbientAirTheairavailableduringthetestconditionsisreferredtoasambientair.AnalyzerDevicewhichmeasurestheconcentrationofaspecificgasorofagroupofgasesBaganalysisForeachsectionofabagtestthesystemwillfillonepairofbags(onebagwithdilutedexhaustgas,asecondbagwithambientair).Thesystemanalyzesthec
2、ontentsofthebagsattheendofatestphaseoruponcompletionofatestrunassoonasthecorrespondinganalyzersareavailable.Thesystemanalyzesandcalculatestheaverageconcentrationsandmassesoftheingredientsaswellasthefuelconsumptionforeachsection(foreachsinglebag).Thebaganalysisconsistsofmultiplesteps:1.Thesystemt
3、akesatestportionfromthebagwiththedilutedexhaustgasinordertodeterminethemostfavorablemeasurementrangeoftheanalyzers.2.Ifthecalibrationfunctionisselected,thecalibrationoftheselectedmeasurementrangeofeachanalyzerwillbeconductednow.3.Afterthecalibrationthesystemfirstanalyzesthebagcontainingthesample
4、andthenthebagcontainingtheambientair.Ifthetestconsistofamodalanalysis,thecomputercorrectsthemasssumsofthesampleanalysisbytheportionwhichwaswithdrawnforthemodalanalysisduringthetestrun.4.Ifthecertificationcalibrationisselected,anothercalibrationwillbe11performed.5.Uponcompletionoftheanalysisatest
5、reportwillbeprintedandthedatawillbesavedontheharddisk.CatalystEfficiencyTodeterminethecatalystefficiency,sampleswillbetakeninfrontofandbehindthecatalyticconverter.Thecomputerassumesthatthevolumeflowonbothsidesofthecatalyticconverteristhesame,unlessthe"secondaryair"optionhasbeenselected.Inthetest
6、report,inadditiontotheefficiencyforHCs,CO,andNOxforanymeasuringpointtheconcentrationsandweightproportionsofthemeasurementcompoentswillbeissued.CVSThedataexchangebetweencomputerandtheCVSgascollectorisperformedviaaLAN(LAN=localareanetwork=computernetwork).Forthispurpose,theCVSisequippedwithamicroc
7、omputercontrolunit.Theseintelligentcontrolunitsperformseveraltasksself-containedandindependentoftheVETSONEsystem.AllthesefunctionscanbestartedbytheuserviatheVETSONEsystemconsole,andtheresultsoftheactionsanbeissuedasreportvia
