采用傘噴油嘴和雙層流動(dòng)燃燒室實(shí)現(xiàn)均質(zhì)預(yù)混合燃燒的試驗(yàn)研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文采用傘噴油嘴和雙層流動(dòng)燃燒室實(shí)現(xiàn)均質(zhì)預(yù)混合燃燒的試驗(yàn)研究姓名：鮑鎮(zhèn)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：動(dòng)力機(jī)械及工程指導(dǎo)教師：許鋒20060601采用傘噴油嘴和雙層流動(dòng)燃燒室實(shí)現(xiàn)均質(zhì)預(yù)混和燃燒的試驗(yàn)研究TheExperimentResearchbytheApplicationofConicalnozzleandDoubleSquishFlowannularchamberonDieselPremixedChargeCompre

2、ssionIgnitionCombustionAbstractInthispaperweutilizestheDoubleSquishFlowannularchamberandtheUmbrallenozzleonthebasisoftheoriginalinjectionsetsofthe1135dieselenginetoreducetheemissionandthebcTheexperimentindicatesthat，、vit

3、hthehelpoftheDoubleSquishFlowannularchamber，improvetheequalityofthemixed—gas，reinforcethecombustionofthelatterperiodreducetherateoffuelconsumptionofthedieselandtheemission，especiallyreducetheemissionrateofNOxBasedonthere

4、searchofconventionaldieselcombustionandtheanalysisofdieselHCCJcombustion，withtheDoubleSquishFlowannularchamberandtheUmbrallenozzle，maketheexperimentresearchinasinglecylinderdieselsystembenchon1135typesinglecylindertesten

5、gineTomeettherequirementofenergycrisisandstringentexhaustemissionlegislations，moreemphasisarelaidonhowtoreducebothruelconsumptionandemissionsHowevercharacteristicsofconventionalDIdieselenginecombustiondeterminethecomprom

6、isebetweenfuelconversionefficiencyimprovementmadharmfulemissioncontr01adwellasthetradeoffbetweenNOxandPMemissionscontr01Therefore，DIdieselenginedevelopmentiSextremelydifficultduetothisreasonTosolvethisproblemtheconventio

7、nalDIdieselenginecombustionmustberenovatedAsanewkindofcombustion，HomogeneousChargeCompressionIgnition(HCCI)combustionCandecreaseN0xandPMemissionsimultaneouslyandmaintainhighfuelconversionefficiencyclosetodirectinjectiond