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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/47724
Title: 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
DOI: 10.1016/j.jaerosci.2010.02.003
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