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Koen Blanckaert

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Publications associées (42)

Meandering: field experiments, laboratory experiments and numerical modeling

Koen Blanckaert

2009

Influence of the momentum flux ratio on confluence morphology

Koen Blanckaert, Anton Schleiss, Marcelo Leite Ribeiro

IAHR2009

Reduction of bend scour by an outer bank footing: Flow field and turbulence

Koen Blanckaert

River bank protection is a costly but essential component in river management. Outer banks in river bends are most vulnerable to scour and erosion. Previous laboratory experiments illustrated that a well-designed horizontal foundation of a vertical outer b ...

2009

Simultaneous measurements with 3D PIV and Acoustic Doppler Velocity Profiler

Koen Blanckaert

IAHR2009

Large-eddy simulation of a mildly curved open-channel flow

Koen Blanckaert

After validation with experimental data, large-eddy simulation (LES) is used to study in detail the open-channel flow through a curved flume. Based on the LES results, the present paper addresses four issues. Firstly, features of the complex bicellular pat ...

Cambridge University Press2009

Flow and bathymetry in sharp open-channel bends: Experiments and predictions

Koen Blanckaert, Serban George Constantinescu

This paper focuses on experiments and simulations conducted in very sharp open-channel bends with flat and equilibrium bathymetry, corresponding to the initial and final phases of the erosion and deposition processes, respectively. The study of flow in cur ...

American Geophysical Union2008

Influence of bank roughness and inclination on straight channel flows

Koen Blanckaert, Anton Schleiss, Alexandre José Pessanha De Oliveira Caimoto Duarte

Czech Technical University in Prague - Institute of Hydrodynamics AS CR, v.v.i.2008

Influence of outer-bank inclination on flow patterns in open-channel bends

Koen Blanckaert, Anton Schleiss, Alexandre José Pessanha De Oliveira Caimoto Duarte

2008 Kubaba Congress Department and Travel Services2008

Influence of the widening of a tributary on confluence morphology: preliminary results

Koen Blanckaert, Anton Schleiss, Marcelo Leite Ribeiro, Simon Wampfler

The aim of this work is to obtain a better understanding of the morphological development in alpine river confluences, where special attention is given to the widening of the tributary channel and its influence on bed morphology evolution. Hydraulic tests ...

2008

Redistribution of velocity and bed-shear stress in straight and curved open channels by means of a bubble screen: Laboratory experiments

Koen Blanckaert

Open-channel beds show variations in the transverse direction due to the interaction between downstream flow, cross-stream flow, and bed topography, which may reduce the navigable width or endanger the foundations of structures. The reported preliminary la ...

2008

Improvement of Acoustic Doppler Velocimetry in steady and unsteady turbulent open-channel flows by means of seeding with hydrogen bubbles

Giovanni De Cesare, Tobias Meile, Koen Blanckaert, Anton Schleiss

Velocimetry is used in various fields of research. In hydraulics, Ultrasonic Velocimetry based on the Doppler Shift effect can accurately resolve the quasi-instantaneous flow field [Takeda Y. Velocity profile measurement by Ultrasonic Doppler method. Exper ...

Elsevier2008

Moyens de réduction de bruit des mesures acoustiques de la turbulence - Means of noise reduction in acoustic turbulence measurements

Ulrich Lemmin, Koen Blanckaert

2006

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Koen Blanckaert

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Meandering: field experiments, laboratory experiments and numerical modeling

Influence of the momentum flux ratio on confluence morphology

Reduction of bend scour by an outer bank footing: Flow field and turbulence

Simultaneous measurements with 3D PIV and Acoustic Doppler Velocity Profiler

Large-eddy simulation of a mildly curved open-channel flow

Flow and bathymetry in sharp open-channel bends: Experiments and predictions

Influence of bank roughness and inclination on straight channel flows

Influence of outer-bank inclination on flow patterns in open-channel bends

Influence of the widening of a tributary on confluence morphology: preliminary results

Redistribution of velocity and bed-shear stress in straight and curved open channels by means of a bubble screen: Laboratory experiments

Improvement of Acoustic Doppler Velocimetry in steady and unsteady turbulent open-channel flows by means of seeding with hydrogen bubbles

LES and RANS computations of schematized river bends

Prediction of flow structure and equilibrium bathymetry in an open channel bend with a very strong curvature

Influence of Outer-bank Roughness on Flow Patterns in Open-channel Bends

Moyens de réduction de bruit des mesures acoustiques de la turbulence - Means of noise reduction in acoustic turbulence measurements

Bend scour reduction and flow pattern modification by an outer bank footing

Improving acoustic Doppler velocimetry in steady and unsteady flow by means of seeding with hydrogen bubbles

Means of noise reduction in acoustic turbulence measurement

Secondary flow and velocity redistriution by bubble screens in open channel bends

Turbulence characteristics in sharp open-channel bends