turbulent boundary layer
On the Manipulation of a Turbulent Boundary Layer by Unsteady Boundary Conditions
... fully turbulent and the skin friction they exert on the wall surface drasti- cally increases, when compared with the laminar ...the turbulent boundary layer (TBL) generated over the surfaces ...
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Interaction layer between a turbulent boundary layer and free-stream turbulence
... Interaction layer between a turbulent boundary layer and free-stream turbulence ...a turbulent free-stream and a turbulent boundary layer is investigated through ...
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Synthetic Jet and Turbulent Boundary Layer Interaction Quantification
... Examples of applications using synthetic jets to control aerodynamic flows are abound in the literature. Zhang and Zhong 5 investigated turbulent boundary layer separation control with an array of ...
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Characteristics of Fiber Suspension Flow in a Turbulent Boundary Layer
... a turbulent boundary layer are different from those in the turbulent single phase boundary ...profile, turbulent kinetic energy, Reynolds stress, turbulent dissipation ...
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On the core flow and turbulent boundary layer in a curved duct
... three-dimensional turbulent core or turbulent boundary layer fiow through curved ducts are either in the strongly curved regime when h : a is of order unity, or the very weakly curved regime ...
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Influence of suboptimally forced streamwise streaks on the turbulent boundary layer and shear layer
... modified turbulent boundary layer and shear layer are ...twelve boundary layer thicknesses from their ...gradient turbulent boundary ...
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Numerical Simulation of Shock Wave; Turbulent Boundary Layer Interaction
... 5. Conclusions We have studied the interaction of associate oblique shock with a turbulent boundary-layer (TBL) victimization well-resolved large eddy simulation (LES) and experimental information. ...
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Turbulent Boundary Layer Manipulation using Synthetic Jet Actuation
... Abstract — Synthetic jet actuator shows great promise as active flow control device. The aim of this study is to understand the interaction of vortical structures produced by a round synthetic jet with the ...
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A simulation of a large-scale drifting snowstorm in the turbulent boundary layer
... the turbulent boundary layer; thus, the transportation feature of snow flow higher in the air and its contribution are largely ...atmospheric turbulent boundary layer, and a ...
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Turbulence Modeling for Shock Wave/Turbulent Boundary Layer Interactions
... RST profiles Figure 3.74 shows the τ 13 Reynolds Stress profile upstream of the experimentally ob- served shock. Figure 3.74(a) shows the profile in the constant pressure gradient portion of the incoming turbulent ...
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Analysis of unsteady behaviour in shockwave turbulent boundary layer interaction
... supersonic turbulent boundary along a compression–expansion ...shock-wave turbulent–boundary-layer interaction: a clear coupling between the motion of the recirculation region and the ...
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On the turbulence amplification in shock-wave/turbulent boundary layer interaction
... a boundary layer transition so that a fully developed turbulent boundary layer is established upstream of the interaction ...nominal boundary layer thickness at the inlet ...
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Non Linear Scale Interactions in a Forced Turbulent Boundary Layer
... the Turbulent Boundary Layer The nature of bulk interactions between large- and small-scales was investigated in the previous chapter using data from the first set of experiments, where a single ...
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Wall-Pressure Fluctuations of Modified Turbulent Boundary Layer with Riblets
... Index Term-- Pipelines, Drag reduction, Skin friction, Riblets, Geometry 1. I NTRODUCTION A reasonable amount of effort has been invested in studying the coherent structures in a turbulent boundary ...
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Turbulent boundary-layer control with plasma spanwise travelling waves
... facility Boundary-layer measurements with spanwise travelling waves were performed in a low-speed, closed-return wind ...The turbulent boundary layer was developed over a smooth flat ...
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Perturbation of a turbulent boundary layer by spatially-impulsive dynamic roughness
... gradient turbulent boundary layer towards equilibrium after perturbation by a spatial impulse of two-dimensional, dynamic roughness with a time-dependent ...
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Interactions within the turbulent boundary layer at high Reynolds number
... high-Reynolds-number turbulent boundary layers, based on experimental data obtained in the very nearly neutral atmospheric surface ...zero-pressure-gradient turbulent boundary layer, ...
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Drag reduction via turbulent boundary layer flow control
... Outer-layer structures in the turbulent boundary layer are targeted to minimize their influence on the production of shear stresses near the wall. The approach is to disrupt the development of ...
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Large scale volumetric flow measurement on a turbulent boundary layer
... Fig. 10. Flow structures, visualized by Q-criterion of FlowFit evaluation result of single time-step at U inf =13.7 m/s (Left, Q = 20,000) and U inf =22.7 m/s (Right, Q = 36,500). Color-coding by streamwise velocity ...
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Phytoplankton aggregations in a turbulent boundary layer
... in turbulent flows, how these tiny plants overcome the strong mixing mechanisms associated with turbulence and how they even manage to flour- ish in such ...in turbulent flows, small organisms would be ...
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