Turbulent Boundary Layer Measurements
Multi-PIV Measurements of an Adverse Pressure Gradient Turbulent Boundary Layer
... • Q4: Significance of the structures for aerodynamic flows around airfoils? • Fundamental project aim is to resolve and characterize these structures in an APG boundary layer flow • Significance of ...
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On the Manipulation of a Turbulent Boundary Layer by Unsteady Boundary Conditions
... DPIV measurements were carried out to cover all the regions of interest and a large FOV was assembled at the ...individual measurements, air-films were modulated for sufficient amount of time before ...
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COMPARISON OF SINGLE AND X-WIRE MEASUREMENTS OF STREAMWISE VELOCITY FLUCTUATIONS IN TURBULENT BOUNDARY LAYER
... for turbulent boundary layers at zero pressure ...the boundary layer as close as the single-wire ...the boundary layer ...
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Wind tunnel measurements of turbulent boundary layer flows over arrays of ribs and cubes
... Understanding the effect of building morphology on the flow aloft is important to the ventilation and pollutant removal in cities. This study examines the dynamics over hypothetical urban areas in isothermal conditions ...
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The modelling of particle resuspension in a turbulent boundary layer
... 4.1 Fluctuating Aerodynamic Force transporting them by compressed air through two impinging jets which broke up any agglomerates. The suspension was then injected into still air and allowed to settle on the test surface ...
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Cross-plane stereo-PIV measurements of a turbulent boundary layer over highly irregular roughness
... smooth-wall turbulent channel flow measurements revealed excellent agreement with DNS results at a similar Re τ , both in the mean streamwise velocity as well as the Reynolds normal and shear ...outer ...
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Measurements in an urban-type boundary layer.
... previous measurements over 20 mm cube constant-height roughness elements of the same pattern and density were performed as well to facilitate discussions of relative cube size to boundary layer ...
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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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The rough favourable pressure gradient turbulent boundary layer
... velocity measurements is less than 1 %; in the fluctuating quantities it is estimated to be between 2–3 %, while the joint moment is between 4–6 ...closest measurements to the wall for the rough-surface data ...
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Synthetic Jet and Turbulent Boundary Layer Interaction Quantification
... actuator boundary layer interaction measurements is defined such that the origin is located at the center of SJA slot on the center of the lower wall; where x is the streamwise direction, y is the ...
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Adjustment of a turbulent boundary layer to a 'canopy' of roughness elements
... by turbulent stresses and removal of momentum by the drag of the canopy ...logarithmic turbulent velocity profile induced by the drag due to a sparse canopy with L/L c 1, where L is the length of the ...
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A Study on the Turbulent Characteristics within the Hurricane Boundary Layer
... dropwindsonde measurements, it is necessary to thoroughly understand its motion characteristics in the measured wind field since its horizontal motions are usually reported as wind ...and turbulent wind ...
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Validation of High-Speed Turbulent Boundary Layer and Shock-Boundary Layer Interaction Computations with the OVERFLOW Code
... gradient boundary layer, several flat plate cases will be ...shock/boundary layer inter- action behavior, namely the size of the separation region, the profiles of turbulent quantities ...
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Influence of suboptimally forced streamwise streaks on the turbulent boundary layer and shear layer
... 4.1 Velocity mean and rms overview Here the main characteristics of the flow before and after encountering the BFS are presented. Results of the velocity profiles will be shown for the baseline case, where there is no ...
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Integrated Shipboard Measurements of the Marine Boundary Layer
... flux measurements and a variety of remote sensors for profiling winds, temperature, moisture, and ...fluxes, boundary layer dynamics, cloud–radiative interactions, and ...
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Infrared thermography for boundary layer transition measurements
... in turbulent regions, and a maximum near the transition ...no boundary layer modes are identified, but only the motion of the transition position which is a broadband ...
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The turbulent structure and diurnal growth of the Saharan atmospheric boundary layer
... and turbulent mixing processes in the Saharan ...lateral boundary conditions was used with a horizontal grid spacing of 60 m and a variable vertical grid spacing of 11–60 m, with highest resolution within ...
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Numerical Simulation of Shock Wave; Turbulent Boundary Layer Interaction
... When object or disturbance moves quicker than the knowledge concerning it will propagate into the encompassing fluid, fluid close to the disturbance cannot react or "get out of the way" before the disturbance ...
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Turbulent Boundary Layer Manipulation using Synthetic Jet Actuation
... D. Hot wire anemometry Hot wire anemometry (DANTEC 56C17) has been used for measurement of velocity and its fluctuations. DANTEC Type-55P63 X-wire probe mounted on a computer controlled traversing mechanism has been used ...
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Non Linear Scale Interactions in a Forced Turbulent Boundary Layer
... the boundary layer is implicitly invoked here by modeling the streamwise spatial fluctuations as a Fourier ...of measurements, it is justified to be a reasonable ...
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