Dry deposition velocities of submicron aerosols on water surfaces: Laboratory experimental data and modelling approach

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• 作者：N. Calec^a ; ^b ; ^{ncalec@gmail.com} ; P. Boyer^a ; ^{patrick.boyer@irsn.fr} ; F. Anselmet^b ; ^{anselmet@irphe.univ-mrs.fr} ; M. Amielh^b ; ^{amielh@irphe.univ-mrs.fr} ; H. Branger^b ; ^{branger@irphe.univ-mrs.fr} ; A. Mailliat^c ; ^{alain.mailliat@free.fr}
• 关键词：Dry deposition ; Liquid surface ; Submicron aerosols ; Slinn's model ; Phoretic effects ; Wind tunnel
• 刊名：Journal of Aerosol Science
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：105
• 期：Complete
• 页码：179-192
• 全文大小：1367 K
• 卷排序：105

文摘

Experiments on deposition of submicron aerosols on liquid surfaces. Deposition velocity over the friction velocity varies with the air-water temperature difference. For submicron particles, hygroscopic growth is not a dominant mechanism. For air-water temperature differences above −3 °C, the turbulent diffusion dominates. For air-water temperature differences below −3 °C, the addition of phoretic phenomena is essential.