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Flow around low-aspect-ratio prisms

Three-dimensional flows around low-aspect-ratio flat-plate wings at low Reynolds numbers

Three-dimensional flows around low-aspect-ratio flat-plate wings at low Reynolds numbers

... For a plate of AR = 2, the vortex sheet emanating from the leading edge rolls into a leading-edge vortex that accumulates spanwise vorticity over time. The tip vortices are not strong enough to keep the leading-edge ...

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Experimental and Numerical Study of Flow Structures Associated with Low Aspect Ratio Elliptical Cavities

Experimental and Numerical Study of Flow Structures Associated with Low Aspect Ratio Elliptical Cavities

... of flow in and around cavities, by providing a three- dimensional set of data with the appropriate spatial and temporal accuracy, which can be manipulated to identify flow phenomena such as ...

273

Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... the flow around one shape, the 6–1 prolate spheroid, which is of interest as a generic submarine ...studying flow at moderate to high ...lower aspect ratio and include a generic ...

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Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... The six component transducer within its housing is mounted to the sting via the dogleg brackets. The ellipsoid is attached to the measurement side of the transducer. Three different dogleg brackets place the housing and ...

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Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... 1 ratio by weight of Dow Corning r 200 fluid to titanium white was ...this flow visualisation is given in Table ...numbers flow visualisation was tested, ...

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Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... 144 8.1. THREE-DIMENSIONAL TRAVERSE SYSTEM Figure 8.1: Traverse Interior traverse window when the tunnel is pressurised. The traversing plate consists of a central stainless-steel plate with Teflon adhered to both sides. ...

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Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... the flow in the normal and azmiuthal direction respectively near the start of transition ...temporal aspect of the transition process; and/or errors in the predicted surface shear stress at the start of the ...

68

Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... In the course of this research several experimental techniques were refined that other workers may find useful. These include: A method for creating discrete element trip strips for promoting turbulent boundary layers. A ...

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Experimental and computational investigation of flow
about low aspect ratio ellipsoids at transcritical
Reynolds numbers

Experimental and computational investigation of flow about low aspect ratio ellipsoids at transcritical Reynolds numbers

... [58] Brawslow, A. L. and Knox, E. C., 1958, “Simplified method for determination of critical height of distributed roughness particles for boundary-layer transition at Mach numbers from 0 to 5,” Tech. rep., National ...

129

Numerical investigation of the interaction between upstream cavity purge flow and main flow in low aspect ratio turbine cascade

Numerical investigation of the interaction between upstream cavity purge flow and main flow in low aspect ratio turbine cascade

... of low aspect ratio turbine is selected to numerically investigate the influence of upstream cavity purge flow on the hub secondary flow structure and aerodynamic ...

9

The Immersed Boundary Projection Method and Its Application to Simulation and Control of Flows Around Low-Aspect-Ratio Wings

The Immersed Boundary Projection Method and Its Application to Simulation and Control of Flows Around Low-Aspect-Ratio Wings

... separated flow and vortex dynamics were ...various aspect ratios, angles of attack, and planform geometries. The aspect ratio and angle of attack were found to have a large influence on the ...

151

Lift Distributions On Low Aspect Ratio Wings At Low Reynolds Numbers

Lift Distributions On Low Aspect Ratio Wings At Low Reynolds Numbers

... turbulent flow is ...turbulent flow for the boundary layer time to ...laminar flow can be obtained but the separation bubble may still be present for a particular ...This flow separation is ...

131

Effect of Aspect Ratio on the Flow Structures Behind a Square Cylinder

Effect of Aspect Ratio on the Flow Structures Behind a Square Cylinder

... a flow produces a flow field that is representative of that observed in many engineering applications in the real world, such as wind flow past low-rise buildings, flow past electronic ...

104

Aerodynamic performance of low-to-moderate aspect ratio wings at low Reynolds numbers

Aerodynamic performance of low-to-moderate aspect ratio wings at low Reynolds numbers

... separation bubble over the wing. The laminar separation bubble formation yields a large jump in the lift of the wing and corresponding increase in the lift-to-drag ratio. The effect of bubble formation is also ...

235

The impact of volute aspect ratio and tilt on the performance of a mixed flow turbine

The impact of volute aspect ratio and tilt on the performance of a mixed flow turbine

... mixed flow turbines can offer aerodynamic advantages due to the manipulation of blade leading (LE) angles, improving performance at low velocity ...mixed flow turbine with four volute designs, two ...

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Experimental study of scour around bridge piers of different arrangements with same aspect ratio

Experimental study of scour around bridge piers of different arrangements with same aspect ratio

... that flow is fully devel- oped in the upstream and there is no any tail water ...the flow discharges were not enough to reach the threshold value of the bottom shear stress for initia- tion of sand ...

7

Vortex formation and drag on low aspect ratio, normal flat plates

Vortex formation and drag on low aspect ratio, normal flat plates

... dye flow visualization; camera orientations were similar to those required for ...3-D flow visualization, described in section ...the flow in the tip region would be tagged, and therefore the fluid ...

204

Numerical simulation of low aspect ratio fixed wings for MAV applications

Numerical simulation of low aspect ratio fixed wings for MAV applications

... solver, Low Re flow, k-e turbulence model, inverse Zimmerman planform, Low aspect ratio wing ...speed around 14 m/s with 30 minute endurance and weighing below 300 g have gained ...

8

A Micromixer Using the Taylor Dean Flow: Effects of Aspect Ratio and Inflow Condition on the Mixing

A Micromixer Using the Taylor Dean Flow: Effects of Aspect Ratio and Inflow Condition on the Mixing

... secondary flow, specifically, a micromixer in which the secondary flow becomes chaotic through a curved channel where two walls of the channel rotate ...This flow is a kind of Taylor-Dean flows ...

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Aerodynamic Characteristics of a Low Aspect Ratio Wing and Propeller Interaction for a Tilt-Body MAV

Aerodynamic Characteristics of a Low Aspect Ratio Wing and Propeller Interaction for a Tilt-Body MAV

... the flow topology and behavior that occurs in the propeller-wing interaction, as well as, confirm the assumptions of experimental study about the flow, the numerical methodology uses the ...of flow ...

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