23120051()JournalofBeijingTechnologyandBusinessUniversity(NaturalScienceEdition)Vol.23No.1Jan.2005:1671-1513(2005)01-0011-04李 静, 沈晓红(北京工商大学机械自动化学院,北京 100037):分析当前油烟净化技术中存在的不足,着重从油烟本身的性质考虑,应用流体力学理论和数值模拟方法进行分析,提出新型高效油烟过滤网的设计思路.:油烟;净化机理;多相流体;数值模拟;实验分析:O357.1 :A:20041019:(1981-),,,,.(1957-),,,,CAD/CAM,.,.[1].2008,,.2001,(GWPB5-2000),[2].,,[1].,,,.1[37],,,.,.,.1.1:,,.(50200Pa).(50%70%),,[3]..1.2.:,,,,,..,,,[4].1.3.,,.,80.3%92.9%,.,,,,,,11[5].1.4,..,,,,,.,,.,[4].1.5,.,.,.,,CO2,[5].,:,.,.,,,,.,,.,,.,.,,.2[6,7],.,,,.2.12.1.1 油烟是一种混合气体,,,()()(),.,.2.1.2 油烟是一种气体状流体,,1.301.34kg/m3(1.293kg/m3):1):,,,,,.2):,,.3):,,.,.(),(),..4)():,(),,.2.1.3 油烟所具有的特殊的物理性质,,:1):,,,.12()200512):,,,(),,,.2.22.2.1 开始阶段,,,,,,.2.2.2 滤网过滤阶段,,,,()(),,.,,,,.3,,,.3.1,[8,9],,[10]::1r55r(Qrvr)+5vz5z=0;(1),(N-S):r:Qvr5vr5r+vz5vr5z=Qfr-5p5r+L55r1r55r(rvr)+52vr5z2;(2)z:Qvr5vz5r+vz5vz5z=Qfz-5p5z+L1r55rr5vz5r+52vz5z2;(3):r,z;vr,vz;Q;fr,fz;L.3.2:--[10].,,,.,,[11].,,.3.3..,HJ/T62-2001,1[12].,,,,[12],,[12]:P=CQ-CQCQ100%;13231:1[12]:P,%;C,mg/m3;C,mg/m3;Q,m3/h;Q,m3/h.,,.4,.,.,,,2.2,,,().,,,,.:[1].[J].,1999,11(1):1315.[2]GB184832001,[S].[3],.[J].,2000,1(3):7780.[4].[J].,2000,(5):4345.[5].[J].,2001,18(5):4041.[6].[J].,2002,(6):6468.[7],,.[J].,2002,(3):812.[8]JohnD.AndersonJr.ComputationalFluidDynamics[M].:.[9],.[J].,2003,24(3):433436.[10].[M].:,2001.[11].[M].:,2002.[12].HJ/T62-2001()[M].:,2001.ANALYSISANDDISCUSSOFOILSMOKEDECONTAMINATIONMETHODSLIJing,SHENXiao-hong(CollegeofMechanicalAutomation,BeijingTechnologyandBusinessUniversity,Beijing100037,China)Abstract:Analyzedseveralexistenttechnologyaboutoilsmokedecontamination,advancedanewideaaboutthisproblembasedonpropertiesofoilsmokeitselfandmethodsofComputationalFluidDynamics.Keywords:oilsmoke;decontaminationmechanism;multiphase-fluid;numericalsimulate;experimentalanalysis(:)14()20051