基于梯度電場等離子體降低汽油機尾氣排放污染的凈化裝置的實驗研究.pdf

1、重慶大學(xué)碩士學(xué)位論文基于梯度電場等離子體降低汽油機尾氣排放污染的凈化裝置的實驗研究姓名：吳海濤申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：冉振亞20070420重慶大學(xué)碩士學(xué)位論文英文摘要ABSTRACTWiththerapidincreasingofmotorcarquantitytheairpollutioncausedbymotorcarshadbeenpaidmoreattentionsTechnologyoftricatalys

2、iswhichiswidespreadusedpresentlyplaysanimportantroleincontrolexhaustofmotorcars，butthecostlymetalswhichareusedtomaketricatalysisarelimitedanddiscardedtricatalysiswillleadtosecondpollutionofenvironmentThus，researchofsubst

3、itutefortri—catalysisisbecomingfbcalpointintheworldTechnologywhichisutilizingnonthermalplasmaengenderedbygradientelectric—fieldofhigllvoltageandpulsepurlfyingcontaminativeexhaustofengineprovidesanewmethodandthink—wayThem

4、echanismofnon—thermalplasmaengenderedbygradientelectricfieldofllighvoltageandpulseisfirststudiedinthetextthentheprocessofchemicalreactionthatisengenderedbyeffectivecompositionssuchas03，0，OHandSOonandmaincontaminativegase

5、ssuchasNOxCOandHCisstudyFinallythemechanismofnonthermalplasmapurif3，ingcontaminativegasesofengineisclearedwhichestablishesatheoreticalfoundationfornonthermalplasmapurifyingcontaminativegasesofengineSubsequentlyaccordingt

6、oanalysisofstructureofkindsofexistingplasmapl|rifie幅andactualconditionwedesigntwogradegradientelectricfieldpurifierIntheprocessofdesigningpowerWOmainlyconsultvoltage—shapeparameterandschemeofpowerwhicharefxequenflyusedto

7、givebirthtononthermalplasmaofpurifyingcontaminativegasesandunifytheactualconditionandtheplasmapurifierfinallytheplanofintervalswitchhighvoltageandpulsepowersystemisadoptedForobtainingthemostsuitableparametersmatchsimulat

8、iveexperimentsofstandardgasesaredoneinnormaltemperatureandatmosphericpressureThroughanalyzingofexperimentresults，weobtainthemostsuitableparametersmatchofthetwogradegradientelectricfieldplasmapurifierInthefoundationfortes

9、tingpurificationeffectofplasmapurifierdisposingofcontaminativegasesofenginescaffoldingexperimentofengineisdoneinChongqinguniversityenginelaboratoryThatplasmapurifiercouldgetgoodeffectindisposingcontaminativeexhaustisprov