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Closed Access item Analytical approximation to the fullydevelopedconcentrationprofile of diffusive aerosol particles in laminar flow in a circular tube

Authors:Alonso Gámez, Manuel
Alguacil, Francisco José
Huang, C.-H
Keywords:Aerosol diffusion, Laminar flowtube, Fully developed concentrationprofile
Issue Date:2010
Publisher:Elsevier
Citation:Journal of Aerosol Science 41 (4) : 413-417 (2010)
Abstract:An analyticalapproximationispresentedforthedimensionlessconcentrationprofile n(r,x) ofaerosolparticlesofdiffusioncoefficient D flowingwithmeanaxialvelocity u in a cylindricaltubeoflength L and radius R, nðr; xÞ ¼ nmaxðxÞf ðrÞ ¼ C expð lbxÞ 1 1 11 ð18r2 9r4þ2r6Þ wherein C=1.477and l=3.659arefitconstantstothenumericalsolutionofthe convection–diffusionequationfor bx ¼ DLx=uR2Z0:2, i.e.forfullydevelopedconcen- tration profile
Publisher version (URL):http://dx.doi.org/10.1016/j.jaerosci.2010.02.003
URI:http://hdl.handle.net/10261/47724
ISSN:0021-8502
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Appears in Collections:(CENIM) Artículos

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