Comparison of the Results of 2D and 3D Numerical Simulations of the Rising Bubble in Stagnant Viscous Liquid

被引：1
|
作者：
Morenko, I. V. [1 ]
机构：
[1] Russian Acad Sci, Inst Mech & Engn, Kazan Sci Ctr, Kazan 420111, Russia
来源：
LOBACHEVSKII JOURNAL OF MATHEMATICS | 2023年 / 44卷 / 05期
关键词：
rising bubble; bubble shape; rising velocity; numerical simulation; volume of fluid method; FLUID; VOLUME; FLOW; VOF;
D O I：
10.1134/S1995080223050426
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
This study is dedicated to comparison of the results of two-dimensional (2D) and threedimensional (3D) numerical modeling of dynamics of a single bubble rising in stagnant viscous liquid. The volume of fluid method is used to track the moving interface. This method makes it possible to take into account all the forces acting on the interface in a natural way without using empirical data. The solution of the continuity equation, Navier-Stokes equation, and equation for determining the position of interface is based on the finite volume method. When carrying out numerical experiments, the bubble diameter at the initial time is fixed. It is shown that the shape of the bubbles in the vertical section of the computational domain is different in the case of 2D and 3D simulations. It has been established that the rising velocity of bubble in 3D simulation is greater than in 2D simulation.
引用
收藏
页码：1752 / 1757
页数：6
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