Motion of Floating Markers on the Surface of a Vortex Funnel

被引：0
|
作者：
Chaplina, T. O. [1 ]
Kistovich, A. V. [1 ]
机构：
[1] Ishlinsky Inst Problems Mech Russian Acad Sci, Moscow, Russia
来源：
FLUID DYNAMICS | 2022年 / 57卷 / 06期
关键词：
vortex funnel; marker; solid-body rotation; roll angle; CONTAINER;
D O I：
10.1134/S001546282260105X
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The specific features of the motion of markers placed on the free surface of a vortex funnel formed by rotation of water in a cylindrical tank are studied experimentally and theoretically. The time dependence of the angular and radial coordinates of marker's centers of mass, as well as the dependence of the marker rotation about its own axis on the angle of rotation of its center of mass about the vertical axis of vortex flow, are measured. The mathematical model of the motion of a solid marker of an arbitrary shape is proposed. The results of theoretical calculations are in good agreement with experimental data.
引用
收藏
页码：736 / 749
页数：14
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