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Meandering flows in rectangular shallow reservoirs
Peltier, Yann; Erpicum, Sébastien; Dewals, Benjamin
2014
 

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Keywords :
Shallow rectangular reservoir; Meandering jet; Large-scale PIV; Proper orthogonal decomposition; Flow topology; Shallow water equations; Flow instability; Parametric study
Abstract :
[en] During this research, previously unexplored meandering flows in free-surface rectangular shallow reservoirs were investigated theoretically, experimentally and numerically. For the first time, a complete description of the hydrodynamics of the meandering flows was obtained from laboratory experiments. An innovative procedure for the characterisation of the physics of the flow was developed based on several techniques, including Large Scale Particle Image Velocimetry (LSPIV), Proper Orthogonal Decomposition (POD) and a new topology algorithm. This research provides new insights into these fascinating meandering flows, of high practical relevance in civil and environmental engineering. Six papers were written and, so far, five of them have been accepted for publication (two in international journals and three in peer-reviewed international conference proceedings).
Research center :
HECE (Hydraulics in Environmental and Civil Engineering)
Disciplines :
Civil engineering
Author, co-author :
Peltier, Yann ;  Université de Liège - ULiège > Département ArGEnCo > Hydraulics in Environmental and Civil Engineering
Erpicum, Sébastien  ;  Université de Liège - ULiège > Scientifiques attachés au Doyen (Sc.appliquées)
Dewals, Benjamin  ;  Université de Liège - ULiège > Département ArGEnCo > Hydraulics in Environmental and Civil Engineering
Language :
English
Title :
Meandering flows in rectangular shallow reservoirs
Alternative titles :
[en] Ecoulements oscillants en réservoirs rectangulaires peu profonds
Publication date :
June 2014
Publisher :
ULg - Université de Liège, Liège, Belgium
Number of pages :
86
Name of the research project :
Sedimentation in shallow reservoirs: feedbacks between flow stability, sediment transport and deposit patterns
Funders :
University of Liege (grant SFRD-12/27)
Available on ORBi :
since 02 June 2014

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