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SHEDDING: 作品数：146被引量：280H指数：9; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：田中宏明曹明张奠湘张瑞泉李世晋更多>>; 相关机构：京都大学大连理工大学中国科学院华南植物园清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金上海市浦江人才计划项目更多>>

Shedding vortex simulation method based on viscous compensation technology research: 《Chinese Physics B》2022年第4期414-425,共12页Hao Zhou Lei Wang Zhang-Feng Huang Jing-Zhi Ren; Project supported by the National Key Project,China(Grant No.GJXM92579);the National Natural Science Foundation of China(Grant No.12072232)。; Owing to the influence of the viscosity of the flow field,the strength of the shedding vortex decreases gradually in the process of backward propagation.Large-scale vortexes constantly break up,forming smaller vortexe...; 关键词：shedding vortex viscosity analysis numerical dissipation turbulence models

Effect of perforation on flow past a conic cylinder at Re =100: wavy vortex and sign laws被引量：2: 《Acta Mechanica Sinica》2018年第5期812-829,共18页L.M.Lin X.F.Zhong Y.X.Wu; In order to find the intrinsic physical mechanism of the original Kármán vortex wavily distorted across the span due to the introduction of three-dimensional (3-D) geometric disturbances,a flow past a peak-perforate...; 关键词：Vortex-shedding pattern FLOW control VORTEX dynamics CONIC disturbance PERFORATION SIGN law

Effect of perforation on flow past a conic cylinder at Re=100:vortex-shedding pattern and force history被引量：4: 《Acta Mechanica Sinica》2018年第2期238-256,共19页L.M.Lin X.F.Zhong Y.X.Wu; supported by the National Key Scientific Instrument and Equipment Development Program of China (Grant 2011YQ120048); The flow past a circular-section cylinder with a conic shroud perforated with four holes at the peak was simulated numerically at Re = 100, considering two factors, viz.the angle of attack and the diameter of the hole...; 关键词：Vortex shedding pattern Fluid forces Flow control Conical shroud PERFORATION

3D Effects on Vortex-Shedding Flow and Hydrodynamic Coefficients of A Vertically Oscillating Cylinder with A Bottom-Attached Disk: 《China Ocean Engineering》2017年第4期428-437,共10页WANG Quan KOU Yu-feng ZHU Ren-qing CHEN Hong; financially supported by the National Natural Science Foundation of China(Grant Nos.51239007 and 51179077);the Sino-UK Higher Education Research Partnership for Ph.D.Studies; Vortex-shedding flow induced by the vertical oscillation of a cylinder with bottom-attached disks of different diameter ratio Dd/Dc and thickness ratio td/Dc is studied by a 3D （three-dimensional） numerical model de...; 关键词：3D effect vortex-shedding pattern added mass coefficient damping ratio vertical oscillation

Measurement of Aerodynamic Sound Source around a Circular Cylinder by Particle Image Velocimetry: 《Journal of Flow Control, Measurement & Visualization》2014年第3期105-109,共5页Yasuyuki Oguma Takayuki Yamagata Nobuyuki Fujisawa; The purpose of this paper is to propose a sound localization method as an alternative of the time-resolved particle image velocimetry (PIV) system for detecting the aerodynamic sound source of a circular cylinder in a...; 关键词：Aerodynamic Sound PIV Noise Source Circular CYLINDER VORTEX SHEDDING Experimental Technique

Near Wake of a Horizontal Circular Cylinder in Stably Stratified Flows被引量：3: 《Open Journal of Fluid Dynamics》2013年第4期311-320,共10页Yuji Ohya Takanori Uchida Tomoyuki Nagai; The near wake of a circular cylinder in linearly stratified flows of finite depth was experimentally investigated by means of flow visualization and measurements of vortex shedding frequencies, at Reynolds numbers 3.5...; 关键词：STRATIFIED Flow Circular CYLINDER WAKE Pattern VORTEX SHEDDING LEE Wave

Turbulence Modeling Applied to Flow over a Hydraulic Ball Check Valve: 《Engineering（科研）》2013年第8期685-691,共7页Leonid Grinis Vitaly Haslavsky; This paper describes an experimental, theoretical model, and a numerical study of concentrated vortex flow past a ball in a hydraulic check valve. The phenomenon of the rotation of the ball around the axis of the devi...; 关键词：Check-Valve Vibration VORTEX SHEDDING

Cold-State Investigation on a Flame Holder: 《Journal of Power and Energy Engineering》2013年第7期45-50,共6页Yiqing Du; Slitty bluff body is widely used as a high-performance flame holder in power industry. To understand the flame stability mechanism, the evolution of the near wake over a slitty bluff body in cold state was numerically...; 关键词：FLAME HOLDER Bluff Body FLAME Stability COHERENT Structure VORTEX SHEDDING

On the Sub-Critical Bifurcation of Anti-Phase and In-Phase Synchronized Vortex Shedding Forms: 《Journal of Modern Physics》2013年第5期89-95,共7页Yih Ferng Peng; Transition of flows past a pair of side-by-side circular cylinders are investigated by numerical simulations and the bifurcation analysis of the numerical results. Various flow patterns behind the cylinder-pair have b...; 关键词：IN-PHASE VORTEX SHEDDING Anti-phase VORTEX SHEDDING Hysteresis

Computations of unsteady transonic flow over airfoil at low Reynolds number: 《航空动力学报》2013年第3期646-658,共13页ZHU Hai-tao SHAN Peng; Programme of Introducing Talents of Discipline to Universities(B08009); Transonic flow over a thin airfoil at low Reynolds number was studied numerically by directly solving two-dimensional full Navier-Stokes equations through 5th order weighted essentially non-oscillatory(WENO) scheme wi...; 关键词：transonic flow unsteady flow direct numerical simulation(DNS) unsteady separation AIRFOIL vortex-shedding

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