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23Vol.2310No.10()JournalofChongqingInstituteofTechnology(NaturalScience)200910Oct.20093:2009-07-23:(1949),,,,,.3,,,,(,400030):,,O2N2.,CO,HCNOx.,NOx50%,COHC.,,NOx,..:;;;:U473:A:1671-0924(2009)10-0001-04ApplicationofGradientMagneticNitrogenandOxygenSeparationTechnologyinAutomobileEmissionControlRANZhen2ya,WANGYong,SIXiang2yun,WANGRen2zhi,WANGJiang2ping(MechanicalEngineeringCollege,ChongqingUniversity,Chongqing400030,China)Abstract:Accordingtothelawofparticlemovementinelectromagnetictheory,thediamagneticnitrogenandparamagneticoxygeninthehigh2magneticfieldwillresultinacounter2magnetizingforcethatactsonthesegases,causingtheincreaseofoxygenconcentrationandthedecreaseofnitrogenconcentration.ThroughtestingtheconcentrationofCOHCandNOxintheemissionofEngineEmissionTesting,inwhichthemagnetismloopgroupbeinstalledintheairintake.Theresultsshowthatthetestinginstallingthemagnetismloopgroup,theconcentrationofNOxcutsdownnearly50%,andtheCOandHCalsodecreasetoacertaindegree.Inaddition,whiletheenginespeedaccelerates,withthemagnetismloopgrouptheconcentrationofNOxinemissionrises,whichshowsthattheadmissionvelocityhasasignificanteffectonthisdevice.Therefore,thisdevicehasbetterfeasibilitywhenappliedtothesmallandmediumengineswhichusuallyworkinlowspeedandheavyload.Keywords:gradientmagneticfield;separationofoxygenandnitrogen;engineexhaust;experimentalstudy,,.[1-2],..,,,,.[3],;[4],.:.O2,O2,N2.,O2,,,,.,,,,,COHC,COHC,,N2,(NOx),.,.,,,;[5],,,.O2N2,.1,,F=10XBýB(1):F;0;X;B;ýB.(1)nf=Fn=1n0XBýB(2)ýB,B.XPT,X=X0PT20P0T2(3)X0.X01.,a=fm=1mn0XBýB=10XBýB=10XmBýB(4):Xm;m;[6].(4),,(Xm0),aýB,,;(Xm0),aýB,,.(4):,,.O2,N2,20XO2=+107.7810-6,XN2=-0.4310-6,251,X=C/T(C,T),XT,XT[7].2,,O2,,N2,O2N2.(4),,,O2N2[8].,,O2,N2,,CO,HCNOx[9].1H2-2.2310-9O21.9110-6N2-6.810-922.1,.,,.1.12.,,.2.,,()[10].2=.[10],60000A,;6478,;,,.2.2.,..Duratec2HEDOHV16V,:1999m;10.8;105kW/(6000r/min).2.2FASM-5000L403.,,.,,,.:3,:,,10min;,,;,.33CO,HCNOx.3.,NOxNONO2,,.,.NOx=C1-C2C1100%(5):C1NOx;C2NOx.,2,CO,HCNOx4.4,CO,HC,NOx6%,7%50%,3.NOx,COHC,.4,,,,,35.53,,,,NOx;,,CO,HC.41),NOx.2),,.3).4)[12-13],.(29)431000t.9,.10,,,,.:6100kN,.9104,,,.DEFORM,,.:[1],.[J].,2009(4):485-487.[2],.[J].,2009,34(2):152-156.[3],,.[J].,2008,33(1):66-68,98.[4].[M].:,2008.()(4):[1],,,.[J].,2000,31(2):24.[2],,.[J].,2002,3(6):57.[3],.[J].,2003,34(3):21.[4].[J].,1997,18(1):22-25.[5],,,.[J].,2008(1):52-54.[6]JunCai,LiWang.Studyonoxyenenrichmentfromairbyapplicationofthegradientmagneticfield[J].JournalofMagnetismandMagneticMaterials,2008,320:171-181.[7],.[J].,2004,6(3):72-75.[8]UenoS,LwasakaM,EguchiH,etal.Dynamicsbehaviorofgasflowingradientmagneticfields[J].IEEETransMagn,1993,29(6):3264.[9].[M].:,2004.[10].[J].,1995,30(3):57-60.[11],,.[J].:,2008,22(4):4-7.[12],.[J].,2008,29(6):105-108.[13],.[J].,2008,29(5):97-98.()92,: