Trailing edge
Optimum Flap Angles for Roll Control on Wings with Multiple Trailing-Edge Flaps
... Traditionally, trailing-edge flaps (TE flaps) are used to achieve higher lift for take- off and landing. In certain applications, however, they are also used for achieving lower drag. The use of TE flaps ...
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Acoustic improvement of stator–rotor interaction with nonuniform trailing edge blowing
... The trailing edge of rotating or stationary blades generates a wake that affects the aerodynamic and acoustic performances of any downstream blades. When a spinning rotor blade sweeps through the viscous ...
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Smart wing rotation and trailing-edge vortices enable high frequency mosquito flight
... leading- edge vortices, an aerodynamic phenomenon that augments lift forces for insects3–8, birds9,10 and bats11 during wing ...leading edge vortices is to generate sufficient lift with smaller wings; a ...
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Direct numerical simulation of turbulent trailing edge flow with base flow control
... to trailing-edge thickness close to ...the trailing-edge centerline was investigated by varying the plate length from one to ve times the trailing-edge ...the ...
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Performance Assessment of Darrieus Turbine with Modified Trailing Edge Airfoil for Low Wind Speeds
... blunt trailing edge airfoils is to restrict the difference between the maximum thicknesses to trailing edge thickness to ~20% of chord ...the trailing edge of the airfoil, as the ...
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Airfoil Trailing Edge Noise Generation and Its Surface Pressure Fluctuation
... The wind tunnel used for the surface pressure measurements is optimized for aerodynamic performance. Since TE noise signal is difficult to obtain directly, the surface pressure measurements are performed to evaluate the ...
6
Design Analysis And Optimization Of Wing With Variable Camber Continuous Trailing Edge Flap
... CAMBER TRAILING EDGE FLAP (VCCTEF) provides much more lift and minimizing the drag ...camber trailing edge flap (or leading edge slat) comprises multiple chord-wise segments (three or ...
6
CFD analysis of wing trailing edge vortex generator using serrations
... This study focuses on the computational results for the flow characteristics due to serrations which are also then compared to the experimental results obtained by previous group of Emirates Aviation College ...
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Improved trailing edge noise prediction using a generalized Rapid-distortion theory approach
... Since satisfies by definition, for an arbitrary selection of itsarguments, it can be used to specify the upstream boundary condition (input) within a boundary value problem (BVP) that seeks to determine acoustic spectrum ...
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Effect of trailing edge roundness on FX 63 137 and Seling S1223 Airfoil
... sharp trailing edge which is a concern of safety when used in ground ...sharp trailing edge complicates the process of ...in trailing edge will affect the forces generated by it ...
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Upstream Shear Layer Stabilisation via Self-Oscillating Trailing Edge Flaplets
... spanwise coherent rollers are formed in the BL in the linear state and then further downstream the growth of non-linear instabilities leads to pairing of those rollers near the trail- ing edge. The pairing process ...
11
Supplementing wind turbine pitch control with a trailing edge flap smart rotor
... example trailing edge flaps, examined in this work, are unable to offer full controllability of rotor speed across all wind speeds, as the devices saturate at a certain ...
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A modification of Amiet's classical trailing edge noise theory for strictly two dimensional flows
... The aim of this report is to derive theoretical expressions for the far-field pressure gener- ated by disturbances convecting over a trailing edge. First, a general calculation of the far-field pressure is ...
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Wake Dynamics and Passive Flow Control of a Blunt Trailing Edge Profiled Body
... It appears that the wake of two-dimensional bluff bodies undergoes transition to three-dimensional flow and eventually turbulence, through the same sequence of transition as observed for circular cylinder (Williamson ...
185
On the Wake Properties of Segmented Trailing Edge Extensions
... Figure 15. a) Z-vorticity contours in FSL behind the trailing edge of the NACA 0012 wing and behind the TE extension b) Vorticity profiles at different angles of attack for both cases. The local rotating ...
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Computational fluid dynamics investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil
... or trailing edge noise and shear noise was investigated computationally for a NACA0012 airfoil section, focusing on noise mechanisms at the trailing edge to identify and understand sources of ...
20
Wind tunnel Investigation on Trailing Edge Noise Mitigation via Sawtooth Serrations
... Two different methods were used as a way of improving the flexibility of the serrations. One of them is a mechanical hinge mechanism created by laser cutting the sawtooth serrations, in such a way that separated small ...
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DES study of blade trailing edge cutback cooling performance with various lip thicknesses
... Three-dimensional detached-eddy simulation (DES) study has been carried out to evaluate the cooling performance of a trailing-edge cutback turbine blade with various lip thickness to slot height ratios ...
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A Passively Morphing Trailing Edge Concept for Sailing Hydrofoil
... Fig. 8a shows how the pressure distribution over S1 and S2 looks like at the respective design points. It must be noticed that the area contained by the two curves is identical, as it represents the value of the ...
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An investigation of unsteady 3-D effects on trailing edge flaps
... with trailing edge flap in an artificial half-wake scenario and found a reasonably good agreement with regard to the complexity of the test ...investigated trailing edge flaps on the 3- D ...
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