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A review of aqueous foam in microscale
Advances in Colloid and Interface Science ( IF 15.9 ) Pub Date : 2018-05-01 , DOI: 10.1016/j.cis.2018.04.004
Abdolhamid Anazadehsayed , Nastaran Rezaee , Jamal Naser , Anh V. Nguyen

In recent years, significant progress has been achieved in the study of aqueous foams. Having said this, a better understanding of foam physics requires a deeper and profound study of foam elements. This paper reviews the studies in the microscale of aqueous foams. The elements of aqueous foams are interior Plateau borders, exterior Plateau borders, nodes, and films. Furthermore, these elements' contribution to the drainage of foam and hydraulic resistance are studied. The Marangoni phenomena that can happen in aqueous foams are listed as Marangoni recirculation in the transition region, Marangoni-driven flow from Plateau border towards the film in the foam fractionation process, and Marangoni flow caused by exposure of foam containing photosurfactants under UV. Then, the flow analysis of combined elements of foam such as PB-film along with Marangoni flow and PB-node are studied. Next, we contrast the behavior of foams in different conditions. These various conditions can be perturbation in the foam structure caused by injected water droplets or waves or using a non-Newtonian fluid to make the foam. Further review is about the effect of oil droplets and particles on the characteristics of foam such as drainage, stability and interfacial mobility.



中文翻译:

微米级水性泡沫的综述

近年来,在水性泡沫的研究中已经取得了重大进展。话虽如此,对泡沫物理学的更好理解需要对泡沫元素进行更深入,更深入的研究。本文综述了在水性泡沫微观尺度上的研究。水性泡沫的元素是高原内部边界,高原外部边界,结点和薄膜。此外,研究了这些元素对泡沫排水和抗水性的贡献。水性泡沫中可能发生的Marangoni现象列为过渡区域中的Marangoni再循环,在泡沫分馏过程中由Marangoni驱动的从高原边界流向薄膜的流以及在UV下由含光表面活性剂的泡沫暴露引起的Marangoni流。然后,研究了诸如PB薄膜等泡沫复合元素的流动分析,以及Marangoni流动和PB节点。接下来,我们对比了泡沫在不同条件下的行为。这些各种条件可能是由于注入的水滴或波浪或使用非牛顿流体制造泡沫而引起的泡沫结构扰动。进一步的评论是关于油滴和颗粒对泡沫特性的影响,如排水,稳定性和界面迁移率。

更新日期:2018-07-12
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