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中国科学院力学研究所专利：UNDERGROUND DOUBLE-VORTEX CYCLONE OIL-WATER SEPARATOR WITH GOOD SEPARATION EFFECT
中国科学院力学研究所 专利 分离 地下双涡旋 油水分离器
2024/6/3
中国科学院力学研究所专利：UNDERGROUND DOUBLE-VORTEX CYCLONE OIL-WATER SEPARATOR WITH GOOD SEPARATION EFFECT
Chao Wang:Inviscid limit of Navier Stokes equations with vortex sheet initial data
涡片 初始数据 纳维斯托克斯方程 无粘极限
2023/4/11
In this talk, I will talk about the inviscid limit of 2-D incompressible Navier-Stokes equations in the whole space with vortex sheet initial data. Although the initial data have different velocities ...
IUTAM Symposium on Vortex Dynamics in Science, Nature and Technology
IUTAM Vortex dynamics Scientific conferences Nature technology
2017/12/13
IUTAM Symposium on Vortex Dynamics in Science, Nature and Technology.
Vortex Method Simulation of Ground Vehicle Aerodynamics
Vortex Method Simulation Ground Vehicle Aerodynamics
2016/5/18
Recent results are presented from the application of a grid-free vortex method to the prediction of turbulent aerodynamic flows produced by road vehicles. The approach has the character of a large edd...
Turbulent flow properties of large-scale vortex systems
gridfree turbulence vortex methods
2016/5/18
Large-scale computations of dynamically interacting vortex tubes forming filaments are performed with a view toward investigating their relationship to turbulent fluid flow. It is shown that the stati...
Vortex filament simulation of the turbulent coflowing jet
Vortex filament simulation turbulent coflowing jet
2016/5/18
A high resolution grid-free vortex filament scheme is applied to the prediction and simulation of coflowing round jets with a view to acquiring a new perspective on their physics and establishing the ...
Vortex Filament Simulation of the Turbulent Boundary Layer
Vortex Filament Simulation Turbulent Boundary Layer
2016/5/18
A hybrid vortex fi lament scheme with the capability of simulating bounded turbulent fl ows is described. Viscous generation of new vortex elements at solid surfaces is accomplished through the interm...
It has long been customary to assume that vortical structures in turbulent flows are synonymous with regions of rotational motion. Mathematical implementations of this idea using numerical and experim...
Vortex Dynamics in Transitional and Turbulent Boundary Layers
Vortex Dynamics Transitional Turbulent Boundary Layers
2016/5/18
The dynamics of transitional and turbulent boundary layers is explored via a hybrid vortex filament/finite volume simulation scheme in which vortical structures are identified without the constraints ...
Simulation of the Compressible Taylor Green Vortex using High-Order Flux Reconstruction Schemes
Compressible Taylor Green Vortex High-Order Flux Reconstruction Schemes
2015/7/6
In this paper, we investigate the ability of high-order Flux Reconstruction (FR) numerical schemes to perform accurate and stable computations of compressible turbulent ows on coarse meshes. Two new F...
Vortex suppression and drag reduction in the wake of counter-rotating cylinders
drag reduction instability control vortex interactions
2015/7/3
The flow over a pair of counter-rotating cylinders is investigated numerically and experimentally. It is demonstrated that it is possible to suppress unsteady vortex shedding for gap sizes from ...
Suppression of the unsteady vortex wakes of a circular cylinder pair by a doublet-like counter-rotation
vortex wakes instabilities vortex suppression numerical simulation virtual elliptic body fl ow control
2015/7/2
The present investigation examines the suppression of unsteady, two-dimensional wake instabilities of a pair of identical circular cylinders, placed side-by-side normal to freestream at a low Reynolds...
Application of the Time Spectral Method to Periodic Unsteady Vortex Shedding
Time Spectral Method Periodic Unsteady Vortex Shedding
2015/7/2
The Time Spectral method has been proposed for the fast and efficient computation of periodic unsteady flows. The algorithm has been validated with both 2D and 3D test cases and applied suc...
Suppression of vortex-induced forces on a two-dimensional circular cylinder by a short and thin splitter plate interference
circular cylinder splitter plate interference
2015/6/23
This paper briefly reviews bluff body aerodynamics and focuses mainly on
the use of short and thin splitter plates to interfere with the vortex wakes and
suppress vortex-induced forces (VIF). The ...
Suppression of the unsteady vortex wakes of a circular cylinder pair by a doublet-like counter-rotation
circular cylinder pair vortex wakes
2015/6/23
The present investigation examines the suppression of unsteady, two-dimensional wake
instabilities of a pair of identical circular cylinders, placed side-by-side normal to freestream
at a low Reyn...