Topological characterization of flow structures in resistive pressure-gradient-driven turbulence

被引：2
|
作者：
Carreras, B. A. [1 ]
Llerena, I. [2 ]
Garcia, L. [3 ]
Calvo, I. [4 ]
机构：
[1] BACV Solut Inc, Oak Ridge, TN 37830 USA
[2] Univ Barcelona, Fac Matemat, Dept Algebra & Geometria, Barcelona, Spain
[3] Univ Carlos III Madrid, Dept Fis, Madrid 28911, Spain
[4] CIEMAT, EURATOM, Lab Nacl Fus, E-28040 Madrid, Spain
来源：
PHYSICAL REVIEW E | 2008年 / 78卷 / 06期
关键词：
D O I：
10.1103/PhysRevE.78.066402
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Visualization of turbulent flows is a powerful tool to help understand the turbulence dynamics and induced transport. However, it does not provide a quantitative description of the observed structures. In this paper, an approach to characterize quantitatively the topology of the flows is given. The technique, which can be applied to any type of turbulence dynamics, is illustrated through the example of resistive ballooning instabilities.
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页数：9
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