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1、ScrollCompressorSimulationModelC.ScheinR.RadermacherAcomputermodelhasbeendevelopedinVisualBasicwhichpredictsthepower,capacity,e-mail:rader@eng.umd.eduandef®cienciesofascrollcompressorforgivenoperatingconditionsandscrolldesigns.Theoperatingconditionsanddat
2、arelatedtothecompressor'sgeometryareinputsfortheDepartmentofMechanicalEngineering,model.Themodelincludestheeffectsofinternalleakageandoverandundercompres-UniversityofMaryland,sion.Thecompressionprocessisbrokenupintoaseriesofsixdegreecompressionsteps.Colle
3、gePark,Md20742-3035Theworkandthermodynamicstateofeachpocketofrefrigerantarecalculatedasittravelsfromthesuctiontothedischargereservoir.Oncethecompressioncycleiscom-pleted,thecompressor'svolumetricandisentropicef®cienciesarecalculated.Lastly,theworkandcapac
4、ityofthecompressorarecalculatedthroughenergybalancesusingtheappropriateinletandoutletrefrigerantconditions.@DOI:10.1115/1.1335483#1Introductionport.Itisimportanttonotethattherearealwaysseveralpocketsofgasbeingcompressedatonetime,and,therefore,thecompres-A
5、VisualBasiccomputermodelwasdevelopedtosimulatethesionprocesslackspronouncedforcemaxima.performanceandoperationofascrollcompressor.Themodelisintendedtocalculatethefollowingparameters:2LiteratureReview·effectsofleakageoncompressoref®ciencies·primaryleakagep
6、athAnextensiveliteraturesearchwasperformedonthescrollcom-·effectsofoverandundercompressiononcompressoref®-pressorwhichresultedinover65technicalpapersand334pat-cienciesents.MostofthetechnicalpaperswerefoundintheInternational·powerCompressorEngineeringConfe
7、renceatPurdue.Mostofthepa-·capacityperswererelatedtocompressorperformance,internalleakage,·volumetric¯owratemultistageddesigns,andscrollwrapdesigns.Becauseoftheimportanceofinternalleakage,abriefsummaryofthecurrentThecompressormodelwastobeusedasananalytict
8、ooltoworkrelatedtoleakagepreventionispresentedbelow.predicttheperformanceofdifferentpositivedisplacementcom-pressors.Initially,themodelwasdevelopedforascrollcompres-sor;however,inthefutureitwillbeusedtopredicttheper
