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ID:42269517
大小:2.31 MB
页数:35页
时间:2019-09-10
《奇石乐KiBox 燃烧分析仪应用 _ Lya》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、KiBox燃烧分析仪应用刘延波KistlerInstruments1燃烧分析及监控系统与曲轴转角相关的数据测量:缸压喷油正时进/排气压力喷油脉宽温度点火正时喷射压力点火脉宽针阀升程压力指示目的:换气分析发动机匹配爆震发动机效率发动机摩擦残余气体机械负荷点火检测能量平衡燃烧稳定性燃烧噪声喷射特性振动/振荡排放发动机功率Lya2014KiBoxApplication2热动力学分析Lya2014KiBoxApplication31.柴油机喷射参数优化Lya2014KiBoxApplication42.汽油机爆震分析(Knoc
2、kAnalysis)Lya2014KiBoxApplication52.汽油机爆震分析(SiemensVDO)Lya2014KiBoxApplication62.汽油机爆震分析(评价)评价方法:1.KFRQ+KRAT:KnockFrequency+KnockRatio2.KPEAK:KnockPeak3.KINT:KnockIntegral4.KPEAK_STAT:KnockPeakStatisticLya2014KiBoxApplication72.汽油机爆震分析(监控)Evaluationmethods:5.Lim
3、itmonitoring:TriggerstorageDigitaloutputLya2014KiBoxApplication83.动力与排放平衡Heatreleaseposition:AI50≈8°CAAI50>8°CA,Post-combustion,PowerAI50<8°CA,Post-combustion,PowerLya2014KiBoxApplication94.NVH噪声CAV+A:Actualvolume,Canbemeasuredontheacoustictestbenchusingamicro
4、phone.Lya2014KiBoxApplication10StructureResponseFunction-80-100-1204-Cyl.2.2lDiesel-1406-Cyl.3.2lDiesel4-Cyl.1.7lDiesel-160StandardStruct.Resp.FunctionMeanStruct.ResponseFunctionStructureResponseFunction[dB(A)]-180Frequency[Hz]Lya2014KiBoxApplication4.NVH噪声Fully
5、AnechoicTestBenchFullyFullyAnechoicAnechoicEngineEngineTestStandTestStandLya2014KiBoxApplication4.NVH噪声TotalEngineNoise(AirBorneNoiseLevel)CombustionNoiseMechanicalNoise(allnoisecomponents(allnoisecomponentswhichcorrelatewiththewhichdonotcorrelatecylinderpressur
6、e)withthecylinderpressure)DirectCNIndirectCN(directlygeneratedby(attenuatedbythecylinderpressurethecylinderpressureattenuation)butgeneratedbymechanics)Lya2014KiBoxApplication13标定Lya2014KiBoxApplication141.发动机标定系统Lya2014KiBoxApplication151.发动机标定系统Lya2014KiBoxAppl
7、ication162.与台架通讯---AVLPUMA/HoribaV1.4V2.0IndicationresultsaretransferredviaINCAtotestbedcontrolleradditionallyAVLIndiComSerialTestbedProtocolviaIndicationresultsareRS232orEthernettransferredviaCANtotestbedcontroller2013-2014YearLya2014KiBoxApplication173.与标定软件ET
8、ASINCA集成Duringinstallation:AutomaticallydetecttheINCAversioninstalledinPCSelecttheversionofINCAinwhichtheKiBoxistobeusedDuringmeasurement:theINCAiconappearsLya2014
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