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Spreading and Evaporation of Surfactant Solution Droplets

机译:表面活性剂溶液液滴的扩散和蒸发

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Evaporation of liquid droplets in gas volume has implications in different areas: spray drying and production of fine powders [1-3], spray cooling, fuel preparation, air humidifying, heat exchangers, drying in evaporation chambers of air conditioning systems, fire extinguishing, fuel spray auto ignition (Diesel), solid surface templates from evaporation of nanofluid drops (coffee-ring effect), spraying of pesticides[l-4], painting, coating and inkjet printing, printed MEMS devices, micro lens manufacturing, spotting of DNA microarray data [3-5]. Because of such wide range of industrial applications this phenomenon has been under investigation for many years, both in the case of pure and multicomponent fluids. The studies encompass different conditions: constant pressure and temperature, elevated pressure, fast compression, still gas atmosphere and turbulent reacting flows, strongly and weakly pinning substrates [1, 2]. Even though experimental, theoretical and computer simulation studies have been carried out [1-11], and have taken into account different physical processes; heat transfer inside droplets, mass diffusion in bi- and multi- component fluids, droplet interactions in sprays, turbulence, radiation adsorption, thermal conductivity of the solid substrate, Mar-angoni convection inside the droplets.
机译:蒸发气体体积中的液滴在不同的区域意外:喷雾干燥和生产细粉[1-3],喷雾冷却,燃料制备,空气加湿,热交换器,蒸发室的空调系统中的干燥,灭火,灭火,燃料喷雾自燃(柴油机),蒸发纳米流体滴(咖啡环效果)的固体表面模板,喷涂农药[L-4],涂装,涂装和喷墨印刷,印刷MEMS器件,微透镜制造,DNA的斑点微阵列数据[3-5]。由于各种工业应用,这种现象已经在纯净和多组分的情况下进行了多年的调查。这些研究包括不同的条件:恒压和温度,高压,快速压缩,静止气体气氛和湍流反应流动,强烈且弱钉扎衬底[1,2]。尽管已经进行了实验的理论和计算机仿真研究,但已经进行了[1-11],并考虑了不同的物理过程;在液滴内传热,在双组分流体中的质量扩散,喷雾,湍流,辐射吸附,固体基质的导热率,液滴内的MAR-Angoni对流中的液滴相互作用。

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