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  • 标题:The Effect of Kelvin Effect on the Equilibrium Effective Radii and Hygroscopic Growth of Atmospheric Aerosols
  • 本地全文:下载
  • 作者:B.I. Tijjani ; G.S.M. Galadanci ; A.I. Abubakar
  • 期刊名称:Journal of Natural Sciences Research
  • 印刷版ISSN:2225-0921
  • 电子版ISSN:2225-0921
  • 出版年度:2015
  • 卷号:5
  • 期号:22
  • 页码:96-111
  • 语种:English
  • 出版社:The International Institute for Science, Technology and Education (IISTE)
  • 摘要:In this paper we extracted microphysical properties of six types of atmospheric aerosols from Optical Properties of Aerosols and Clouds (OPAC) and numerically analyzed the analytical expressions for the changes in the equilibrium relative humidity (RH), effective radius, effective hygroscopic growth, the magnitudes and fractional changes in the effective radii and the effective hygroscopic growth on the effects of surface tension (the Kelvin effect) on ambient atmospheric aerosols. The expressions were applied to two - one parameter models. We discovered from the analysis of the data extracted that, to the lowest order error, the change in the equilibrium RH, effective radii and effective hygroscopic growth depend on the compositions of the aerosols. From the two models used, we also discovered that the fractional changes in the ambient RH, effective radii and effective hygrosocopic growth, also depend on the aerosols compositions. Finally, we discovered that the magnitude of the Kelvin effect and its consequences on the atmospheric aerosols depend on the hygroscopicity of the aerosols.
  • 关键词:Kelvin effect; effective radius; effective hygroscopic growth; atmospheric aerosols; ambient Relative Humidity.
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