Effect of Dissolved Substances on the Size of Water Droplets in Levitating Droplet Clusters

IF 0.6 4区 工程技术 Q4 MECHANICS
A. A. Fedorets, E. E. Kolmakov, D. N. Medvedev, V. O. Mayorov, L. A. Dombrovsky
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引用次数: 0

Abstract

A laboratory technique has been developed to study the effect of dissolved substances on the condensational growth of spherical droplets of water in a self-arranged droplet cluster levitating above a locally heated water surface, as well as on the equilibrium droplet size obtained by infrared heating of the cluster. Inorganic salts such as potassium and sodium chlorides were shown to significantly influence the condensation/evaporation process of water droplets even at low solute concentrations. In contrast, the influence of typical substances used in plant treatments is negligible. The new experimental results can be used to model various technological processes involving aqueous aerosols. These results might also be useful in studies of moisture transfer and precipitation formation in the atmosphere.

Abstract Image

悬浮液滴簇中溶解物质对水滴大小的影响
本文发展了一种实验室技术,用于研究溶解物质对悬浮在局部加热水面上的自排列液滴团中的球形液滴凝聚生长的影响,以及对通过红外加热团获得的平衡液滴尺寸的影响。无机盐,如氯化钾和氯化钠,即使在低溶质浓度下也能显著影响水滴的凝结/蒸发过程。相比之下,植物处理中使用的典型物质的影响可以忽略不计。新的实验结果可用于模拟涉及含水气溶胶的各种工艺过程。这些结果对研究大气中的水分转移和降水形成也可能有用。
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来源期刊
Fluid Dynamics
Fluid Dynamics MECHANICS-PHYSICS, FLUIDS & PLASMAS
CiteScore
1.30
自引率
22.20%
发文量
61
审稿时长
6-12 weeks
期刊介绍: Fluid Dynamics is an international peer reviewed journal that publishes theoretical, computational, and experimental research on aeromechanics, hydrodynamics, plasma dynamics, underground hydrodynamics, and biomechanics of continuous media. Special attention is given to new trends developing at the leading edge of science, such as theory and application of multi-phase flows, chemically reactive flows, liquid and gas flows in electromagnetic fields, new hydrodynamical methods of increasing oil output, new approaches to the description of turbulent flows, etc.
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