完整版小型制冷压缩机研究外文翻译2毕业设计论文.docx
《完整版小型制冷压缩机研究外文翻译2毕业设计论文.docx》由会员分享,可在线阅读,更多相关《完整版小型制冷压缩机研究外文翻译2毕业设计论文.docx(12页珍藏版)》请在冰豆网上搜索。
完整版小型制冷压缩机研究外文翻译2毕业设计论文
优秀论文审核通过
未经允许切勿外传
SmallCOMPRESSOR
Compressorrefrigerationsystemisthecoreandtotherefrigerationsystemcapabilitiesandfeatures.Thispapernotonlyenergyefficient,noiseandvibrationandrefrigerationagentanalyzedsmallrefrigerationcompressortechnicalperformance,Analysisalsorecentyears,thenew,specialsmallcompressormainfeatureforussmallrefrigerationcompressorfuturedevelopmenttrendoflayingatechnologicalfoundation.
Asweallknow,thecompressorrefrigerationsystemisthecoreandasense,thecoolingsystemdesignandmatchingofthecompressoristheabilitydemonstrated.Therefore,countriesintheworldareallintherefrigerationindustryrefrigerationcompressorresearchinvestedatremendousamountofenergy,newresearchdirection,andresearchresultscontinuetoemerge.Compressortechnologyandperformancelevelwitheachpassingday.
1.AcompressorEfficiencyStudy
Compressorrefrigerationsystemisthecoreenergycomponents,improvetheefficiencyofrefrigerationsystemsofthemostdirectandeffectivemeansistoincreasetheefficiencyofthecompressor,Itwillbringtheenergyconsumptiondecreasedsignificantly.Moreover,canonlyavoidthesystemtakemeasures(suchassimplyincreasingofmaterialsincreased.Inrecentyears,asworldenergyshortagesituationworsensdaybyday,moreandmoreattentiontovariousenergy-savingworktheenergyefficiencyofproductsmadebytheever-increasingdemands.Duetolossessuchasfriction,leakage,ofexistence,Compressorworkfarbelowtheactualefficiencyoftheoreticalefficiency.Therefore,fromatheoreticalpointofview,anyreductioninalossofarbitrarymeasurestoimprovetheefficiencyofthecompressor.Theobjectivefacts,width,researchtopicsandresultsvaried.
Onthecurrentinternationalenergy-efficientcompressorsresearchconcentratedmainlyinafewareas:
researchlubricationpropertiesCompressorpartsofthefrictionbearingstoreducefrictioncharacteristicsofpower,improvetheefficiencyofthecompressor;reduceleakagelossestoimprovetheefficiencyofthecompressor;usingfrequencymodulationtechnologyorrefrigerationsystemthroughtheeffortwiththeuserloadtomatchthebestenergysavingInthisregardtheparticularfrequencytechnologyrelativelymaturewellknownandnotrepeatthemoldtopicbutitisalsoaneternaltopic,ImprovementofthevalvedesignedtoimprovetheefficiencyofthecompressoralsoNagamochiendlessthisareamanytimes,fromthevalvematerial,sportslaw,optimizingthestructureoftheapplicabletheory,exhaustivetestingmethods.Inshort,energy-savingcompressorsontheresearchinrecentyearsindustryfirstrecentyears,domesticrefrigerationcompressorindustrytostudyenergy-savingproductsarealsogivinggreatconcern.Progresslargerproductsmainlyrefrigeratorcompressorindustry.InChinaefficientrefrigeratorsGEFprojectstopromoteandsupport,boththeenterprisesforenergy-efficientproductsistheunderstandingoftheperformanceofrefrigeratorcompressorslosses,andachievedgreatresults.Themainproblemisthelackofdomesticenterprisescurrentlyfreetechnology,thetechnologytechnologyinfrastructurealsounconscious,northeinterest,andthisrestrictsthedevelopmentoftechnologicalcapacity.
Relativetotherefrigeratorcompressorindustry,domesticenergy-efficientair-conditioningcompressorstudyitwasnotperturbed,Overtheyearstheefficiencyofthecompressorisnosubstantivechange,greatermarketdemandmakesmostoftheair-conditioningcompressorenterpriseswillconcentrateonexpandingproductionon.WiththenationontheairconditionerenergyefficiencystandardssetforthefurtherimprovementofChina'sairconditionerexportsvariousperilsofshowing,domesticair-conditioningcompressorofthisshort-sightedenterpriseswillbeunabletoadapttotheenergy-savingdevelopmentofthesituation.Enterprisealsoonthefollow-upisweak.
2.Compressornoiseandvibrationstudy
Currently,thenoiseregardedasoneoftheseriouspollution.Householdrefrigerationequipmentasthesourceofpowerandcompressornoise,tobeameasureofitsperformanceasanimportantindicator.Infact,toacompressorspeaking,Mostofthenoiseisduetoshellbysomenoisefromthesourceexcitation(suchassprings,refrigerantpressurepulsation,exhaustpipe,lubricantsetc.excited).Butcompressornoisesourcesandpathwayscomplexanddiverse,whichgivesthecompressornoisesilencerbroughtgreatdifficulties.
Onthecompressornoise,vibrationandforeignscholarsthisregardtothemainresearchresultsaresummarizedbelow:
ThemainrefrigerationcompressornoiseExaggerativeinlet,exhaustradiationaerodynamicnoise,mechanicalmovingpartsofmachinerynoiseandnoise-drivenmotorthreecomponents:
2.1Aero