Depicting Vortex Stretching and Vortex Relaxing Mechanisms
FU Song, LI Qi-Bing, WANG Ming-Hao
Department of Engineering Mechanics, Tsinghua University,
Beijing 100084
Depicting Vortex Stretching and Vortex Relaxing Mechanisms
FU Song;LI Qi-Bing;WANG Ming-Hao
Department of Engineering Mechanics, Tsinghua University,
Beijing 100084
关键词 ：
47.27.-i ,
47.32.Cc
Abstract ：Different from many existing studies on the parameterization of vortices, we investigate the effectiveness of two new parameters for identifying the vortex stretching and vortex relaxing mechanisms. These parameters are invariants and identify three-dimensional flow structures only, i.e., they diminish in two-dimensional flows. This is also unlike the existing vortex identification approaches which deliver information in two-dimensional flows. The present proposals have been successfully applied to identify the stretching and relaxing vortices in compressible mixing layers and natural convection flows.
Key words ：
47.27.-i
47.32.Cc
出版日期: 2003-12-01
引用本文:
FU Song;LI Qi-Bing;WANG Ming-Hao. Depicting Vortex Stretching and Vortex Relaxing Mechanisms
[J]. 中国物理快报, 2003, 20(12): 2195-2198.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I12/2195
[1]
HU Kai-Heng;CHEN Kai. Relative Scaling Exponents and Intermittency in Compressible Turbulent Channel Flows
[2]
FANG Le;CUI Gui-Xiang;XU Chun-Xiao;ZHANG Zhao-Shun. Multi-Scale Analysis of Energy Transfer in Scalar Turbulence
[3]
ZHENG Lian-Cun;ZHANG Xin-Xin;HE Ji-Cheng. Transportation Characteristics for a Class of Generalized N-Diffusion Equation with Convection
[4]
HE Kai-Fen. Hopf Bifurcation in a Nonlinear Wave System
[5]
TANG Jian;ZHU Ke-Qin;TAN Guang-Kun. A Stationary Vortex Phenomenon above a Low-Aspect-Ratio Wing
[6]
WANG Gang;LIANG Xin-Gang. Mechanism for Influence of Nose Bluntness on Asymmetric Vortices
[7]
LING Guo-Can;ZHAO Hong-Liang;. Structure of Vortex Dislocations in a Wake-Type Flow
[8]
ZHANG Hai-Yun; HE Kai-Fen. Charged Particle Motion in Temporal Chaotic and Spatiotemporal
Chaotic Fields
[9]
HE Kai-Fen. Time-Averaged Behaviour at the Critical Parameter Point of Transition to Spatiotemporal Chaos
[10]
HE Kai-Fen;ZHANG Hai-Yun. Transition of One Mode-Phase at the Crisis and Onset of Spatiotemporal Chaos
2003, Vol. 20 
