Light scattering for particle characterization英文文献资料

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1、PERGAMONProgressinEnergyandCombustionScience25(1999)1±53LightscatteringforparticlecharacterizationA.R.JonesDepartmentChemicalEngineering,ImperialCollege,LondonSW72BY,U.K.AbstractLightscatteringhasprovedtobeoneofthemostpowerfultechniquesforprobingthepropertiesofparticulatesystems

2、.Thepurposeofthispaperistoreviewthestatusofelasticlightscattering.Theemphasisisonrecentdevelopments,ratherthanbeingover-repetitiveofearlierreviews,butconsiderablebackgroundisincludedwiththeaimofmakingthepaperself-contained.Thereisanextensivesummaryoftheoreticaltreatments,includi

3、ngbothhistoricalworkandnew.Ontheexperimentalside,whilethereissomediscussionofwell-triedmethods,theemphasisisonrecenttechniquesformeasuringotherpropertiesaswellassize.Thisincludes,amongothers,thefractaltreatmentofagglomerates,determinationofparticleshapeandmeasure-mentofrefractiv

4、eindex.Thediscussionisbroadratherthandeeptoprovideawide-rangingreviewofanextremelyactive®eld.q1998ElsevierScienceLtd.Allrightsreserved.ContentsNomenclature21.Introduction32.Basicde®nitionsofscatteringvariables32.1.Individualparticles32.2.Particleclouds63.Generalscatteringtheory7

5、3.1.Boundaryconditionmethod73.2.Integralequationmethods134.Approximations154.1.Rayleighscattering(xp1;xum21up1)154.2.TheRayleigh±Gans±Debye(RGD)orBornapproximation(um21up1;xum21up1)164.3.TheWentzel±Kramers±Brillouin(WKB)approximation174.4.Fraunhoferdiffraction(xq1;um21uq1)184.5.

6、Anomalousdiffraction(xq1;um21up1)194.6.Geometricaloptics(xq1;xum21uq1)195.Multiplescattering205.1.Independentscattering205.2.Dependentscattering226.Generalcommentsonexperimentalmethods227.Integralmethods237.1.Rayleighparticles237.2.Fractalagglomerates247.3.Polarizationmeasuremen

7、t277.4.Disymmetryandpolardiagrams287.5.Photoncorrelationspectroscopy297.6.Spectralextinction307.7.Fraunhoferdiffraction310360-1285/99/$-seefrontmatterq1998ElsevierScienceLtd.AllrightsreservedPII:S0360-1285(98)00017-32A.R.Jones/ProgressinEnergyandCombustionScience25(1999)1±537.8.

8、Mixturesofsmallandlargeparticles317.9.Densepart