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Experimental study on dynamic mechanism of vortex evolution in a turbulent boundary layer of low Rey
[期刊论文] 作者：Yan-ang Guo,Xiang-rui Dong,Xiao-shu Cai,Wu Zhou,
来源：水动力学研究与进展B辑 年份：2020
The dynamic mechanism of the vortex generation and evolution process in a fully developed turbulent boundary layer with Reθ =97-194 is experimentally investiga...
[期刊论文] 作者：Xiang-rui Dong,Xiao-shu Cai,Yinlin Dong,Chaoqun Liu,
来源：水动力学研究与进展B辑 年份：2020
The Liutex core line method, first combined with the snapshot proper orthogonal decomposition (POD), is utilized in a supersonic micro-vortex generator (MVG) wake flow at Ma=2.5 and Reθ=5760 to reveal the physical significance of each POD ......
[期刊论文] 作者：Xin-ran Tang,Xiang-rui Dong,Xiao-shu Cai,Wu Zhou,
来源：水动力学研究与进展B辑 年份：2021
The spatiotemporal evolution of hairpin vortex structures in a fully developed turbulent boundary layer is investigated qualitatively and quantitatively by using two image methods.In this paper,the moving single-frame and long-exposure(MSFL......
[期刊论文] 作者：Xiang-rui Dong,Yi-qian Wang,Xiao-ping Chen,Yinlin Dong,Yu-ning Zhang,Chaoqun Liu,
来源：水动力学研究与进展B辑 年份：2018
In the present paper, epsilon(ε) in the Omega vortex identification criterion (Ω method) is defined as an explicit function in order to apply theΩ method to...
[期刊论文] 作者：Yu-ning Zhang,Xu Qiu,Fei-peng Chen,Kai-hua Liu,Xiang-rui Dong,Chaoqun Liu,
来源：水动力学研究与进展B辑 年份：2018
In the present review, recent progress on the vortex identification methods are introduced with a focus on the newly proposed omega method ( Ω method). The adv...
[期刊论文] 作者：Chaoqun Liu,Yi-sheng Gao,Xiang-rui Dong,Yi-qian Wang,Jian-ming Liu,Yu-ning Zhang,Xiao-shu Cai,Nan Gui,
来源：水动力学研究与进展B辑 年份：2019
A vortex is intuitively recognized as the rotational/swirling motion of fluids,but a rigorous and universally-accepted definition is still not available.Vorticity tube/filament has been regarded equivalent to a vortex since Helmholtz propos......
[期刊论文] 作者：Yi-qian Wang,Yi-sheng Gao,Hongyi Xu,Xiang-rui Dong,Jian-ming Liu,Wen-qian Xu,Meng-long Chen,Chaoqun Liu,
来源：水动力学研究与进展B辑 年份：2020
The third-generation vortex identification method of Liutex (previously called Rortex) was introduced by the team led by Prof.Chaoqun Liu from University of Texas at Arlington to mathematically extract the rigid rotation part from the fluid......
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