搜索结果: 1-12 共查到“Reynolds Number”相关记录12条 . 查询时间(0.072 秒)
A Computational Framework for Low Reynolds Number 3D Flapping Wings Simulations
Computational Framework Low Reynolds Number 3D Flapping Wings Simulations
2015/7/3
This paper describes the work done in the development of a fast and accurate numerical solver for flows around flapping wings at low Reynolds numbers. In the first part, the fi...
Aerodynamic Shape Optimization of Airfoils in Ultra-Low Reynolds Number Flow using Simultaneous Pseudo-Time Stepping
Ultra-Low Reynolds Number Flow Shape Optimization of
2015/6/23
The paper presents numerical results of optimized airfoils at ultra-low
Reynolds numbers. These investigations are carried out to understand the aerodynamic
issues related to the low speed and micro...
Growing interest in micro-air-vehicles has created the need for improved understanding
of the relevant aerodynamics. A reasonable starting point is the study of airfoil
aerodynamics at Reynolds nu...
Computations of unsteady transonic flow over airfoil at low Reynolds number
transonic flow unsteady flow direct numerical simulation(DNS) unsteady separation airfoil vortex-shedding
2014/5/19
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-oscillator...
Quasi-static magnetohydrodynamic turbulence at high Reynolds number
Magnetohydrodynamics Quasi-static hypothesis Homogeneous turbulence EDQNM
2011/8/5
Abstract: We analyse the anisotropy of homogeneous turbulence in an electrically conducting fluid submitted to a uniform magnetic field, for low magnetic Reynolds number, in the quasi- static approxim...
Effect of Spanwise Flexibility on Propulsion Performance of a Flapping Hydrofoil at Low Reynolds Number
spanwise flexibility flapping motion thrust generation
2011/8/5
Spanwise flexibility is a key factor influencing propulsion performance of pectoral foils. Performances of bionic fish with oscillating pectoral foils can be enhanced by properly selecting the spanwis...
Reynolds number dependence of kinetic helicity decay in linearly forced turbulence
Reynolds number dependence linearly forced turbulence
2010/12/28
The decay of kinetic helicity is studied in numerical models of forced turbulence using either an externally imposed forcing function as an inhomogeneous term in the equations or, lternatively, a term...
Scale-adaptive simulation of flow past wavy cylinders at a subcritical Reynolds number
Wavy cylinders Drag reduction Vortex shedding Vibration control SAS
2012/2/29
The Xu {&} Yan scale-adaptive simulation (XY-SAS) model is employed to simulate the flows past wavy cylinders at Reynolds number 8\times 10^3 . This approach yields results in good agreement with expe...
PERSISTENCE OF THE LAMINAR REGIME IN A FLAT PLATE BOUNDARY LAYER AT VERY HIGH REYNOLDS NUMBER
transition flow control boundary layer theory
2009/10/13
Starting from the Navier-Stokes and the continuity equations of a viscous incompressible fluid, a statistical theory is developed for the prediction of transition and break down to turbulence in a lam...
NUMERICAL EXPERIMENTS ON WALL TURBULENCE AT LOW REYNOLDS NUMBER
turbulence flow control transition
2009/10/13
A direct numerical simulation of a turbulent channel ?ow, with regularly spaced two-dimensional roughness elements mounted at the wall and perpendicular to the ?ow direction, was performed at a very l...
An Efficacy Evaluation of Ship Stern Flow Computations Applying Low-Reynolds Number κ-ε Turbulence Models
CFD Low Reynolds Number κ-ε Turbulence Model Stern Flow Field Shih-Lumley Model Efficacy Evaluation
2009/5/12
An efficacy of some κ-ε turbulence models applying to solve turbulent flow field around a ship model was evaluated.
Five κ-ε turbulence models were selected from a viewpoint of low Reynolds number ef...
Numerical predictions of low Reynolds number flow over an oscillating circular cylinder
finite volume method fully coupled resolution method lock-in, circular motion
2010/3/11
Flow over an oscillating cylinder at Re = 300 is simulated. For in–line oscillations, the vortex–shedding frequency locks–on the cylinder frequency in a wide frequency band, around twice the natural v...
