Instability of an equilibrium circular configuration of helical vortices

被引：2
|
作者：
Okulov, VL [1 ]
机构：
[1] Russian Acad Sci, Inst Thermal Phys, Siberian Div, Novosibirsk, Russia
来源：
TECHNICAL PHYSICS LETTERS | 2002年 / 28卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1535503
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The problem of stability of an equilibrium circular configuration of N helical vortices is analytically studied for the first time. A solution is obtained that provides for an effective analysis of the cases of stable vortex systems (pair, triplet, etc.) observed in practice. The algebraic representation for the angular rotation velocity of a system of N helical vortices, obtained as an additional intermediate result, is simpler as compared to the other known asymptotic expressions and allows calculations to be performed with high precision over the entire range of helix pitch variation. (C) 2002 MAIK "Nauka / Interperiodica".
引用
收藏
页码：1060 / 1064
页数：5
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