Step Waves in Falling Liquid Films

IF 0.5 Q4 MECHANICS

Moscow University Mechanics Bulletin Pub Date : 2026-06-28 DOI:10.3103/S0027133026700020

V. Ya. Shkadov, A. N. Beloglazkin, I. V. Shishkin

引用次数: 0

Abstract

The axisymmetric flow of a thin layer of viscous liquid down the outer surface of a vertical cylinder in the field of gravity is considered. The process is modeled using the Kapitsa–Shkadov approach. Wave modes with step waves characterized by the presence of a film thickness drop are investigated. It is found that the existence regions of step wave solutions are strips.

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下降液膜中的阶跃波

研究了在重力作用下，一薄层粘性液体沿垂直圆柱体外表面的轴对称流动。该过程使用Kapitsa-Shkadov方法建模。研究了以膜厚度下降为特征的阶跃波的波模。发现阶跃波解的存在区域为条形。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Moscow University Mechanics Bulletin MECHANICS-

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： Moscow University Mechanics Bulletin is the journal of scientific publications, reflecting the most important areas of mechanics at Lomonosov Moscow State University. The journal is dedicated to research in theoretical mechanics, applied mechanics and motion control, hydrodynamics, aeromechanics, gas and wave dynamics, theory of elasticity, theory of elasticity and mechanics of composites.