Trailing edge serrations
An experimental study of airfoil instability tonal noise with trailing edge serrations
... of trailing edge serrations on airfoil instability ...with trailing edge serrations in a low to moderate speed flow under acoustical free field ...the trailing edge ...
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CFD analysis of wing trailing edge vortex generator using serrations
... to serrations which are also then compared to the experimental results obtained by previous group of Emirates Aviation College undergraduate ...of trailing edge serrations and the deflection ...
8
Bio inspired Aerodynamic Noise Control: A Bibliographic Review
... serrated trailing edges was developed by Howe [113,114] in ...that trailing edge serrations do not introduce other extraneous noise sources, change the surface pressure frequency spectrum and ...
43
“Structural Design of Unmanned Aerial Vehicle Wing Using Fem”
... In the design of UAV, the design of wing plays the vital role. During this project, the main objective is to simulate the wing verification methodology and study the parameters influences the wing performance.Selection ...
9
Aerodynamic analysis of transonic manoeuvre devices using an unstructured grid, Navier Stokes flow solver
... a trailing-edge flap or a leading-edge slat, is computed using an unstructured-grid based flow solver for the Reynolds-averaged Navier-Stokes ...
10
A three dimensional computational study of the aerodynamic mechanisms of insect flight
... Here, we extend the two-dimensional pitching and heaving airfoil computations to three dimensions. This study will address the role of the rotational motion in detail. Also, the role of the leading edge vortex and ...
12
Experimental determination of added hydrodynamic resistance caused by marine biofouling on ships
... Reference Plate 2 was the plate which the artificial barnacles were stuck on for the second sets of experiments including the fouling accumulations on leading edge, trailing edge, middle, leading and ...
13
Two unusual new species of the ostracod genus Cytheropteron from the Late Cainozoic of the deep sea
... Hastate in dorsal view with alar process having a long, straight, rimmed leading edge and slightly shorter, straight trailing edge bearing seven short weak spines, equi- [r] ...
6
Prediction of Flow in Stationary Turbine Blade Cooling Passage with OpenFoam
... k-ε model was applied on the geometry with 15 lakh mesh elements.Simulation ran for 10,000 iterations, with U, k, ε residuals falling below 10 -4 and pressure residual failed to fall below 10 -4 .The simulation was ...
6
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
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 ...
12
Morphometric characterisation of wing feathers of the barn owl Tyto alba pratincola and the pigeon Columba livia
... Results: A variety of different feathers (six remiges and six coverts), taken from several specimen in either species, were investigated. Quantitative analysis of digital images and scanning electron microscopy were used ...
15
Trailing-edge flow control for wind turbine performance and load control
... The results show that the flow control devices increase the differences of the pressure coefficient between pressure side and suction side of the aerofoil near the leading edge at 7m/s a[r] ...
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Airfoil Trailing Edge Noise Generation and Its Surface Pressure Fluctuation
... In the present work, Large Eddy Simulation (LES) of turbulent flows over a NACA 0015 airfoil is performed. The purpose of such numerical study is to relate the aerodynamic surface pressure with the noise generation. The ...
6
Design and Analysis of Gas Turbine Blade
... The steady state thermal analysis shows that the temperature distributions and the heat fluxes for the gas turbine rotor blade. Figure 8 shows the temperature distribution of gas turbine rotor blade for copper material. ...
5
Upstream Shear Layer Stabilisation via Self-Oscillating Trailing Edge Flaplets
... Once the flaplets are attached to the aerofoil and the flow is studied again at the same conditions (Fig. 5d). The f 0−1∕2 peak is obviously suppressed and the f 0 is now the dominant frequency. Meanwhile, as shown ...
11
Design Analysis And Optimization Of Wing With Variable Camber Continuous Trailing Edge Flap
... Each rib section is connected by three airfoil with equal chord so it can provide free rotation of the rib section. The NACA airfoil is used with three sections at the trailing edge region. The sections are ...
6
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 ...
11
Experimental Determination of Cavitation Characteristics of Hydraulic Turbines
... v) Trailing edge cavitation detection technique: In this type of cavitation, cavities collapse in the draft tube therefore draft tube swirl detection techniques are also used for this cavitation ...the ...
5
A comparison between single sided friction stir welded and submerged arc welded DH36 steel thin plate
... the weld area than with the submerged arc welded material. Microstructural observations have been linked to hardness, toughness and fatigue test data. The fatigue data includes the observation of preferential crack ...
6