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首页> 外文期刊>The European physical journal: Special topics >A model coupling the liquid and gas phases for a totally wetting evaporative meniscus
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A model coupling the liquid and gas phases for a totally wetting evaporative meniscus

机译:液相和气相耦合以完全润湿蒸发弯液面的模型

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摘要

An hydrodynamic model has been developed to get a complete description of an evaporative meniscus in complete wetting configuration.The coupling between the liquid and gas is explicitly taken into account. Scaling laws are derived for the different domains of the meniscus and validated by numerical simulations. Results are compared with previous models of the literature that use the electrostatic analogy proposed by Deegan and co-authors to describe the evaporative flux. We show that the different approaches differ for the description of the tip of the meniscus in the domain corresponding to the decrease of the evaporative flux but lead to the same scaling for the apparent macroscopic contact angle.
机译:已经开发了流体力学模型以完整描述完全润湿配置下的蒸发弯液面。明确考虑了液体和气体之间的耦合。比例定律是针对弯月面的不同区域得出的,并通过数值模拟进行了验证。将结果与文献中以前的模型进行了比较,这些模型使用Deegan及其合作者提出的静电类似物来描述蒸发通量。我们表明,对于对应于蒸发通量减少的区域中的弯月面尖端的描述,不同的方法是不同的,但是对于表观的宏观接触角会导致相同的缩放比例。

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