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《擴(kuò)壓器對(duì)離心式壓縮機(jī)性能與輻射噪聲影響-研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、AbstractWimtheindustrialdevelopmenttoday，compressorsarewidelyusedinsteel，shipbuilding，petroleum，automotive，aerospace，andmanyotherareas．Visiblycompressorhasbeenoccupiedailimportantposition．Intheusingprocessofcompressor，itsperformancerequirementsofpeoplearemoreandmorehigh，andthenoiseproblemsof
2、vibrationandradiationreceivemuchmoreattention．DiffuseriSallimportantpartinthecompressor，thedifferenttypeofdiffuserwilllcadtothedifferenceofperformanceandvibrationnoiseofthecompressor．Inthispaper，basedonsimulationandexperiment，themechanismofimpactofdiffuseronperformanceandradiatednoiseofcompr
3、essorarestudiedtofindthesourceofvibrationandnoiseofcompress．功矗fhasveryimportantsignificancetoimprovecompressorperformance，reducenoiseandimprovepeople’Senvironmentqualityofworkandlife．‘Inthispaper，theMCLseriescentrifugalcompressorsofShenyangBlowerGrouparefor‘theresearch．Basedonthestudyofsimul
4、ationcalculationandanalysisofimpeller，theflowfieldofdifferenttypesofdiffuserofcentrifugalcompressorisstudied．nletotalpressuredistributionofflowfieldisobtainedbycalculation．Throughperformancetest，noisetestandradiatednoisefastpredictiontestofcompressorandaseriesoftests，theinfluenceofdifferentt
5、ypesofdiffuseronperformanceandradiatednoiseofcompressorarestudied．nlespecifictasksofstudyareasfollows：(1)Simulationanalysisofimpeller．Internalflowfieldofdiffuserindifferentshapesofmodelstagecentrifugalcompressorisanalyzed．Thetotalpressuredistributionoftheinternalflowfieldoffourdifferenttypes
6、ofdiffuserisobtainedbyCFDcalculation．ChangeflowconditiOIlSandcontrasttheperformancecurvesoffourdifferenttypesofdiffuser．(21Thetestswereimplementedtoresearchthecompressorperformancewiththeimpactsofdifferentdiffusers．Accordingtotheperformingeffectsbomofthecompressorwiththedifferentdiffusersand
7、modelstageimpactedbythedifferentdiffusersespecially，performancetestsofthestagewereimplemented,andtheperformingeffectseffectedthepressurepulsationwereanalyzed．Thepressurepulsationvaluesofimpellerinlet，diffuserinletandthediffuseroutletofcompressorand
