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Contribution of quadrant bursting events to the turbulent flow structure at region close to the mid-channel bar
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In this paper, the turbulents bursts triggered by the interactions between fluid and bar are investigated using the bursting events technique, and the intricate association of scouring that occurred at occurred atAbstract:
In this paper, the turbulents bursts triggered by the interactions between fluid and bar are investigated using the bursting events technique The intricate association of scouring that occurred atread more
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Three-Dimensional Hole Size (3DHS) Approach for Water Flow Turbulence Analysis over Emerging Sand Bars: Flume-Scale Experiments
Mohammad Amir Khan,Nayan Sharma,Giuseppe Cesare Lama,M.A. Hasan,Rishav Garg,Gianluigi Busico,Raied Alharbi +6 more
TL;DR: In this paper , the 3D velocity fields were measured through an acoustic Doppler velocimeter during flume-scale laboratory experimental runs over an emerging sand bar model, to reproduce the hydrodynamic conditions of real braided rivers, and 3D Turbulent Kinetic Energy (TKE) components were analyzed and discussed in detail.
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Bursting phenomenon created by bridge piers group in open channel flow
TL;DR: In this paper , the authors used an acoustic doppler velocimeter (ADV) to study velocities in three dimensions (longitudinal, transversal, and vertical).
References
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Journal ArticleDOI
The structure of turbulent boundary layers
TL;DR: In this article, the authors describe the formation of low-speed streaks in the region very near the wall, which interact with the outer portions of the flow through a process of gradual lift-up, then sudden oscillation, bursting, and ejection.
Journal ArticleDOI
Measurements of the structure of the Reynolds stress in a turbulent boundary layer
S. S. Lu,William W. Willmarth +1 more
TL;DR: In this article, the velocity at the edge of the viscous sublayer is used as a detector signal for bursts and sweeps, and the scaling of the mean time interval between bursts with outer flow variables is confirmed.
Journal ArticleDOI
Evaluation of the Acoustic Doppler Velocimeter (ADV) for Turbulence Measurements
TL;DR: In this article, the accuracy of the acoustic Doppler velocimeter (ADV) is evaluated in a 17m flume using an ADV and a laser DOF.
Journal ArticleDOI
Role of Near-Bed Turbulence Structure in Bed Load Transport and Bed Form Mechanics
TL;DR: In this paper, the interactions between turbulence events and sediment motions during bed load transport were studied by means of laser-Doppler velocimetry and high-speed cinematography.
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