Viscous Fluid Streamlet Flow Down an Inclined Hydrophobic Surfaceстатья
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Дата последнего поиска статьи во внешних источниках: 12 августа 2020 г.
Аннотация:The problem of a steady flow of a viscous streamlet down an inclined plane superhydrophobic surface in a gravity field is investigated. A nonlinear partial differential equation for determining the unknown form of the streamlet cross section is derived. A class of nonuniform superhydrophobic surfaces, which are characterized by an effective slip tensor, for which the construction of selfsimilar solutions of the problem under consideration is possible, is found. The necessary conditions for the existence of selfsimilar solutions are found. The selfsimilar shapes of the wetting region and the streamlet cross section are found numerically for two examples of superhydrophobic surfaces. The results of the investigation can be used when experimen tally determining the effective characteristics of superhydrophobic surfaces, namely, the components of the effective slip tensor.