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1、第18卷第3期光散射學(xué)報(bào)Vol18No32006年9月THEJOURNALOFLIGHTSCATTERINGSept2006文章編號(hào):10045929(2006)03026106LightScatteringPropertiesofSootAggregates1231LEIChengxin,LIFengling,LIUCande,ZHANGHuafu(1SchoolofPhysics,ShandongUniversityofTechnology;2Departme
2、ntofPhysics,No1MiddleSchoolofZiChuan;3SchoolofTransportationandVehicleEngineering,ShandongUniversityofTechnology)Abstract:Basedonthefundamentalconceptionoffractal,wesimulatethesootaggregatesconsistingofsphericalprimaryparticlesbycomputerCalculationsareperfor
3、medonthesesphericalparticles,whichsize,refractiveindexvalues,andMorphologyischaracteristicofsootaggregatesinthevisiblewavelengthsThediscretedipoleapproximation(DDA)isusedtosolvethesootaggregatesscatteringproblemInthisarticle,thescatteredsensitivitiesoffractal
4、-likesootaggregatesarediscussedKeywords:lightscattering;sootaggregates;fractal;discretedipoleapproximation中圖法分類號(hào):O43414文獻(xiàn)標(biāo)識(shí)碼:A煤煙聚集粒子的光散射特性研究1231類成新,李鳳靈,劉燦德,張化福(1.山東理工大學(xué)物理學(xué)院,山東淄博255049;2.山東淄川一中高中物理組,山東淄博255100;3.山東理工大學(xué)交通與車輛工程學(xué)院,山東淄博255049)摘要:基于分形理論,用計(jì)算機(jī)模
5、擬了由球形基本粒子構(gòu)成的煤煙聚集粒子。利用離散偶極子近似方法(DiscreteDipoleApproximation)研究了煤煙聚集粒子的散射特性,討論了分形煤煙聚集粒子的散射強(qiáng)度隨煤煙聚集粒子的分形結(jié)構(gòu)、大小、相對(duì)折射率及入射波波長(zhǎng)變化情況。關(guān)鍵詞:光散射;煤煙聚集粒子;分形;離散偶極子近似方法flamesOntheotherhand,productionofcarbon1IntroductionblackandceramicsaerosolswithspecificsizeandLightscatteringb
6、yaggregatesmallparticlesshapeaswellasfineparticlecontrolintheelecisrelevanttoawidevarietyofapplicationstronicsindustryrequiresreliablemethodsfordeKnowledgeoftheopticalproperties,size,andterminingthephysicalpropertiesoftheparticumorphologyofsootaggregatesisof
7、criticalimporlatesInordertoanalyzetheexperimentaldata,tanceinpollutioncontrol,remoteatmosphericwehavetocalculateorknowthedetailsofsoot-sensing,analysisofradiativeheattransfer,asaggregateshape,structure,size,sizedistribuwellasunderstandingthemechanismofsootfor
8、tion,numberdensityandopticalpropertiesmation,growth,andoxidationincombustionItiswellknownthatindividualsootparticles收稿日期:20051205,修改稿收到日期:20060118261第3期LEI
