Array of counter rotating triangular vortex generators
Parametric investigation of boundary layer control using triangular micro vortex generators
... consumption.Vortex generators are an external aerodynamic surface applied to different types of aircrafts to counter this drop in ...performance. Vortex generators can be placed in various ...
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Boundary Layer Flow Control by an Array of Ramp-Shaped Vortex Generators
... an array of ramp-shaped vortex generators (VG) placed in a turbulent boundary ...and counter-clockwise sense, produced by the array, enhance mixing in the boundary ...VG array in ...
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Characterization of Fluids and Thermal Performance of Tab-Induced Counter-Rotating Vortex Pairs on Surface Cooling
... trapezoidal vortex generators (VGs), such as taper angle, inclination angle, spanwise spacing in a single row of VGs, streamwise spacing of multiple rows of VGs, and streamwise spacing of clusters of VGs, ...
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Modeling Vortex Generators in a Navier-Stokes Code
... inlets, vortex generators (VGs) are frequently used to improve performance by minimizing the effects of adverse pressure gradients, boundary-layer separations, and shock-boundary-layer ...of ...
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Modeling Vortex Generators in the Wind-US Code
... of vortex generators was implemented into the Wind-US Navier Stokes ...vane-type vortex generator in the ...desired vortex generator: the range of grid points over which the force is to be ...
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Study of Eppler 423 Airfoil with Gurney Flap and Vortex Generators
... the counter-rotating vortices were formed, which will prevent flow separation and allow flow to remain attached, which is evident from the modified pressure ...
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Micro Vortex Generators for Boundary Layer Control: Principles and Applications
... Figure 8. Recent development of MVG geometry: (a) split micro vane (counter-rotating); (b) split micro ramp; (c) ramped vane. 3. WAKE PRODUCED BY MVG Understanding the wake produced by MVG device is crucial ...
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Vortex Generators in a Two-Dimensional, External-Compression Supersonic Inlet
... downstream counter-rotating vane pairs at the critical operating condition, a pair of counter- rotating vortices are produced as the flows reach the trailing edge of the ...downwash ...
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Effect of Winglet Vortex Generators Orientation on Heat Transfer Enhancement
... with array of winglet vortex generators. Three pairs array of winglet vortex generators of different geometrical configuration as rectangular , triangular , semi circle ...
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Adaptive Surrogate-Based Optimization of Vortex Generators for a Tiltrotor Geometry
... of counter rotating VGs has been considered using, first, a Latin Hypercube sampling approach to obtain design space samples for five variables; VG height, VG aspect ratio, VG angle, chord-wise location, ...
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Vortex Generators in a Streamline-Traced, External-Compression Supersonic Inlet
... Vortex generators within a streamline-traced, external-compression supersonic inlet for Mach ...The vortex generators studied were rectangular vanes arranged in counter-rotating ...
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Linear stability analysis of a counter rotating vortex pair of unequal strength
... a counter rotating vortex pair of unequal strength was numerically investigated with a linear stability analysis ...strength vortex pair, of either co-rotating or counter ...
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Control of a Mach reflection-induced interaction using an array of vane-type vortex generators.
... vane-type vortex generator configurations, namely the ramp vane with device heights h/δ = ...device array was implemented 10δ upstream of the separation loca- tion for each g/w no-control ...
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Experimental Study of Boundary Layer Flow Control Using an Array of Ramp-Shaped Vortex Generators
... that vortex generators increase the resistance to boundary layer separation by increasing the near wall velocity, the results presented here suggest that a range of optimal streamwise positions of the ramps ...
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A singular vortex Rossby wave packet within a rapidly rotating vortex
... slope of the mean flow and wave packet amplitude (τ 3 ≃ 0.18), but choosing a smaller amplitude ǫ puts off the breaking onset. Comparing these results with observational data is not easy because in nature, first, ...
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Air jet vortex generators for wind turbines
... measure pressure distributions on a rotating blade and compare them with those obtained in the steady state conditions of a wind tunnel.. the power conversion perfo[r] ...
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Vortex Generators to Control Boundary Layer Interactions
... The vortex generators were tested in a Mach 3 turbulent boundary layer at Re b, of 3,800 (based on S,. Referring to FIG. 10, different types of micro vortex gen- erators of FIG. 7 are [r] ...
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Comparison of four different models of vortex generators
... Once vortex produced by the mesh-resolved VG is fully develop at around 10 VG hights downstream the trailing edge of the VG, the AcVG Model matches the vortex generated by the mesh-resolved VG ...the ...
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Numerical study of flow over vortex generators
... This paper discusses on how to reduce aerodynamic drag arising at rear windshield of the car in order to improve overall drag coefficient and increasing mileage using same. Computational fluid dynamics help understands ...
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Nonlinear Vortex Structures in Obliquely Rotating Fluid
... Abstract In this paper, we find a new large scale instability which appears in obliquely rotating flow with the small scale turbulence, generated by external force with small Reynolds number. The external force ...
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