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往复式压缩机迷宫密封中空腔深度对泄漏量的影响分析.docx

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往复式压缩机迷宫密封中空腔深度对泄漏量的影响分析 Title:AnalysisoftheImpactofDepthoftheLabyrinthSealHollowontheLeakageAmountinReciprocatingCompressors Abstract: Thelabyrinthsealisacriticalcomponentinreciprocatingcompressors,responsibleforpreventinggasleakageandensuringtheefficiencyandreliabilityofthecompressionprocess.Thispaperaimstoanalyzetheimpactofthedepthofthelabyrinthsealhollowontheleakageamountinreciprocatingcompressors.Thestudyutilizestheoreticalanalysisandnumericalsimulationstoinvestigatethefactorsinfluencingleakageandprovidesinsightsintooptimizingthelabyrinthsealdesigntominimizegasleakage. 1.Introduction: Reciprocatingcompressorsarewidelyusedinvariousindustriesforgascompression.Thelabyrinthsealiscommonlyemployedtopreventgasleakagebetweenthepistonrodandcylinderwall.Thehollowstructureofthelabyrinthsealplaysavitalroleinreducinggasleakage.Thisstudyexaminestheeffectofthedepthofthelabyrinthsealhollowontheleakageamount,aimingtoimprovecompressorefficiencyandreduceenergyconsumption. 2.MechanismoftheLabyrinthSeal: Thelabyrinthsealconsistsofaseriesofaxialgroovesandradialintersections,formingalabyrinth-likestructure.Gasleakageispreventedbyreducingthepressuredifferenceacrossthesealandmaximizingthedistancethegasmusttravelbetweenthegrooves.Thedepthofthelabyrinthsealhollowaffectstheperformanceoftheseal,particularlyintermsofleakagereductionandfrictionallosses. 3.InfluenceofDepthonLeakageAmount: a.TheoreticalAnalysis: Theoreticalmodelsaredevelopedtoassesstheimpactofthelabyrinthsealhollowdepthontheleakageamount.Theanalysisconsidersfactorssuchasgasproperties,pressuredifference,sealgeometry,andoperatingconditions.Theoreticalequationsarederivedtoquantifytheleakageamountfordifferenthollowdepths. b.NumericalSimulation: ComputationalFluidDynamics(CFD)simulationsareconductedtovalidatethetheoreticalanalysisandprovideacomprehensiveunderstandingoftheflowbehaviorwithinthelabyrinthseal.Thesimulationsconsidermultiplehollowdepthsandinvestigatetheimpactongasleakage.Theresultsarecomparedwiththetheoreticalpredictions