閉式循環(huán)柴油機(jī)可變配氣控制.pdf

1、類號DC：工學(xué)碩士學(xué)位論文密級編號Y936683閉式循環(huán)柴油機(jī)可變配氣控制碩士研究生：曹健指導(dǎo)教師：張文平教授學(xué)位級別：工學(xué)碩士學(xué)科、專業(yè)：動力機(jī)械及工程所在單位：動力與能源工程學(xué)院論文提交日期：2006年2月20曰論文答辯日期：2006年3月9日學(xué)位授予單位：哈爾濱工程大學(xué)哈爾濱T程大學(xué)碩十學(xué)位論文ABSTRACTThecomponentofintakeairandthesystempressurewillchangewhilethe

2、ClosedCycleDiesel(CCD)systemworksonopenstateandclosedstateTheoriginalvalvedrivingsystemmaykeeptheperformanceonlyundertheoperationofdieselopenstateThecamshapehasbeenfixedbeforeproductionandcannotbeadjustedtomeettheclosedc

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4、iving，electronicallycontrolledvariablevalvesystemisdevelopedbasedontherequirementsfortheclosedcycledieselandenginedevelopmentsanditsperformanceisstudiedThemechanical，electronicalandhydraulicsimulationmodelisbuiltfortheel

5、ectronicallycontrolledhydraulicvariablevalvesystemThestudiesonthemainstructureparametersofthesystem，suchaspistondiameterspringrigidityofthevalveandflowareaofelectro—magneticvalve，obtainedthecharacteristicsofthevariablein

6、takevalvesystem，thereforemaybeusedtoguidetheexperimentbenchdesignBasedonthesimulation，atestisconductedonthecylinderheadsofDongan465enginewiththevariablevalvesystem，whichcanprovideexperimentaldocumentsforthevariablevalves

7、ystemdevelopmentofclosedcycledieselTestbenchincludesthevariablevalveactuatorhydraulicdrivingsource，andPLCelectroniccontrolunitFinallythesimulationmodelofthe4102BGClosedCycleDieselhasbeenm甜ewithGTPOWERSothattheeffectofvar