| DOI: | 10.1016/j.atmosres.2018.12.013
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| Scopus记录号: | 2-s2.0-85058648935
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| 论文题名: | A theoretical study on the activation of insoluble particles in atmospheric conditions |
| 作者: | Lazaridis M.
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| 刊名: | Atmospheric Research
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| ISSN: | 1698095
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| 出版年: | 2019
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| 卷: | 218 | | 起始页码: | 306
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| 结束页码: | 314
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| 语种: | 英语
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| 英文关键词: | Aerosol activation
; Binary nucleation
; Heterogeneous nucleation
; Surface diffusion
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| Scopus关键词: | Activation analysis
; Aerosols
; Atmospheric chemistry
; Chemical activation
; Particle size
; Surface diffusion
; Atmospheric conditions
; Binary nucleation
; Chemical compositions
; Different substrates
; Heterogeneous nucleation
; Insoluble particles
; Particle activation
; Theoretical study
; Nucleation
; aerosol
; chemical composition
; diffusion
; nucleation
; particle size
; sulfuric acid
; theoretical study
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| 英文摘要: | A theoretical analysis for the description of insoluble particles activation in the atmosphere has been performed using as framework the classical theory of heterogeneous nucleation. In the current work a model for heterogeneous nucleation for one-component and two-component gaseous systems was presented taking into account the process of surface diffusion during nucleating embryo formation. The theory predicts higher nucleation rates compared to the classical theory of heterogeneous nucleation and consequently higher probability of particle activation. The model including the effect of surface diffusion shows a qualitative agreement with experimental results of heterogeneous nucleation of water at different substrates. In addition, the process of heterogeneous nucleation of the sulphuric acid – water system on the surface of insoluble spherical aerosol particles in atmospheric conditions has been examined. Insoluble particle activation is depended on several factors such as the concentration of the participating vapours, the ambient temperature, the chemical composition and particle size. Our results show that activation of insoluble particles is an energetically favourable process under specific conditions in the atmosphere. © 2018 Elsevier B.V. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/122333
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| Appears in Collections: | 气候变化事实与影响
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作者单位: | Technical University of Crete, Department of Environmental Engineering, Polytechneioupolis, Chania, Crete GR-73100, Greece
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| Recommended Citation: | |
Lazaridis M.. A theoretical study on the activation of insoluble particles in atmospheric conditions[J]. Atmospheric Research,2019-01-01,218
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