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high Reynolds numbers

A Robust Preconditioned Iterative Method for the Navier-Stokes Equations with High Reynolds Numbers

A Robust Preconditioned Iterative Method for the Navier-Stokes Equations with High Reynolds Numbers

... small Reynolds numbers but fail as the Reynolds number increases to the range 10 − 10 D ...the high Reynolds numbers (or small ...

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Propulsive performance of biologically inspired flapping foils at high Reynolds numbers

Propulsive performance of biologically inspired flapping foils at high Reynolds numbers

... at high Reynolds numbers, Re= Uc / ␯ , or O(10 4 ), where U is the relative inflow velocity, c is the chord length of the foil, and ␯ is the kinematic ...

6

Large Eddy Simulation of the Flat Plate Turbulent Boundary Layer at High Reynolds Numbers

Large Eddy Simulation of the Flat Plate Turbulent Boundary Layer at High Reynolds Numbers

... 1410. The main disadvantage, however, is the need to evaluate the growth terms that are numerous and complicated in form. Also, since such similarity does not always occur (Keating et al. 2004), the modification was made ...

123

Numerical Solution of the Navier-Stokes Equations at High Reynolds Numbers

Numerical Solution of the Navier-Stokes Equations at High Reynolds Numbers

... highReynolds numbers, we are reporting results for the well known problem of the un-regularized driven ...with Reynolds numbers in the range of 7500 ≤Re ≤ ...such high Reynolds ...

6

Simulating Aerodynamic Applications at High Reynolds Numbers Using The Immersed Boundary Method.

Simulating Aerodynamic Applications at High Reynolds Numbers Using The Immersed Boundary Method.

... at high Reynolds ...during high-order variable extrapolation using Total-Variation-Diminishing (TVD) and Weighted Essentially Non-Oscillatory (WENO) ...

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Elastico-Viscous Flow between Two Rotating Discs of Different Transpiration for High Reynolds Numbers (RESEARCH NOTE)

Elastico-Viscous Flow between Two Rotating Discs of Different Transpiration for High Reynolds Numbers (RESEARCH NOTE)

... The comparison of different values of Reynolds number has been shown graphically in Figure 12. The present study could be of much interest to bio-engineers involved in design and construction of artificial ...

8

Flow Structure behind a Wing at High Reynolds Numbers

Flow Structure behind a Wing at High Reynolds Numbers

... The velocity vector-fields were evaluated for 3 Reynolds numbers: 0.5, 1 and 1.5 million. The following pages contain figures depicting central part of the airfoil. The x direction is horizontal spanwise, ...

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Direct Numerical Simulation of the Wake Flow Behind a Cylinder Using Random Vortex Method in Medium to High Reynolds Numbers

Direct Numerical Simulation of the Wake Flow Behind a Cylinder Using Random Vortex Method in Medium to High Reynolds Numbers

... random vortex method for an incompressible flu id in two dimensions is presented. In the random vortex method, the primary variable is vorticity of the flow field. After generation on the cylinder wall, it is followed in ...

18

On the unsteady boundary layer and wake of a flat plate, and modeling water flow near a ship-side

On the unsteady boundary layer and wake of a flat plate, and modeling water flow near a ship-side

... In this section, we study the flow field in the wake region at high Reynolds numbers Re. Wakes are common occurrences in flow around and adjacent to various geometric boundaries and are significant ...

249

Solution of two dimensional time fractional Burgers equation with high and low Reynolds numbers

Solution of two dimensional time fractional Burgers equation with high and low Reynolds numbers

... Remark  We have mentioned that the fractional Burgers equation does have more in- teresting dynamical properties and modeling advantages than the conventional Burgers equation [–, , ]. Comparing with ...

14

The hydrodynamics of swimming at intermediate Reynolds numbers in the water boatman (Corixidae)

The hydrodynamics of swimming at intermediate Reynolds numbers in the water boatman (Corixidae)

... A swimming animal must generate thrust to overcome drag. Drag acts in the direction of flow velocity, which is in opposition to the velocity of a body moving through a still pool of water. A paddling swimmer creates ...

12

FLOW OVER NACA-4415 AEROFOIL AT EXTREME REYNOLDS NUMBERS

FLOW OVER NACA-4415 AEROFOIL AT EXTREME REYNOLDS NUMBERS

... and high Reynolds ...& Reynolds numbers 5000, 6000, 100000 & ...when Reynolds number increases. At Reynolds number 6000 the aerofoil shows maximum coefficient of lift and ...

5

Thermocapillary rupture in falling liquid films at moderate Reynolds numbers

Thermocapillary rupture in falling liquid films at moderate Reynolds numbers

... on the rivulet crest and in the inter rivulet region to the initial film thickness. As can be seen from the graphs, the dependence character changes at high heat flux densities. At this density the thermocapillary ...

5

Numerical computation of lid driven cavity using marker and cell (MAC) method

Numerical computation of lid driven cavity using marker and cell (MAC) method

... applied to a well-established benchmark problem namely the flow in a lid driven cavity. The purpose of this model is to investigate the pattern of flow included the velocity profile, vorticity contours, pressure of the flow. ...

20

UNSTEADY AERODYNAMIC PERFORMANCE OF MODEL WINGS AT LOW REYNOLDS NUMBERS

UNSTEADY AERODYNAMIC PERFORMANCE OF MODEL WINGS AT LOW REYNOLDS NUMBERS

... Second, forgetting momentarily the velocity gradient along the wing, and considering instead mean values of wing size and wing beat frequency, the 75–230 Reynolds number range encompasses a broad assemblage of ...

21

Pulsed jet dynamics of squid hatchlings at intermediate Reynolds numbers

Pulsed jet dynamics of squid hatchlings at intermediate Reynolds numbers

... intermediate Reynolds numbers (Re = 10 0 –10 3 ) have been performed on a variety of taxa, such as fish larvae (Fuiman and Batty, 1997; Müller and Videler, 1996; Vlyman, 1974; Weihs, 1980), ascidian larvae ...

14

Analytical and Computational Investigations of Airfoils Undergoing High-Frequency Sinusoidal Pitch and Plunge Motions at Low Reynolds Numbers

Analytical and Computational Investigations of Airfoils Undergoing High-Frequency Sinusoidal Pitch and Plunge Motions at Low Reynolds Numbers

... In the early part of this research, a validation effort was undertaken. Computations from the current effort were compared with experiments conducted in a parallel, collaborative effort at the Air Force Research ...

126

Numerical Solutions of 2-D Incompressible Driven Cavity Flow with Wavy Bottom Surface

Numerical Solutions of 2-D Incompressible Driven Cavity Flow with Wavy Bottom Surface

... issues underlying the steady flows in a finite closed enclosure. Despite its simple geometry, the driven cavity flow retains a rich fluid flow physics manifested by multiple counter rotating recirculating regions on the ...

13

The Effect of Increasing Localized Suction on a Boundary Layer and the Generation of Horseshoe Vortices

The Effect of Increasing Localized Suction on a Boundary Layer and the Generation of Horseshoe Vortices

... steady high-altitude ...chord Reynolds number increases and it must be prevented from separating under the strong adverse pressure gradient occurring towards the trailing ...

313

A Comparison between steady jets and synthetic jets at low Reynolds numbers

A Comparison between steady jets and synthetic jets at low Reynolds numbers

... A study has been carried out to compare steady jet and synthetic jet heat transfer distributions at low Reynolds numbers. Both jets issued from a 5mm diameter orifice plate with air for the steady jet being ...

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