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Influence of the alveoli slopes on the discharge capacity of Piano Key Weirs
Machiels, Olivier; Erpicum, Sébastien; Archambeau, Pierre et al.
2011In Proceedings of the 34th IAHR world congress
Peer reviewed
 

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Keywords :
PKW; Experimental; Hydraulic
Abstract :
[en] Piano Key Weir is a cost effective solution for rehabilitation as well as for new dam project with a high level of constraints (space, flood discharge, reservoir level).If the efficiency of the Piano Key Weir has already been well demonstrated, the definition of its optimal geometry has been still poorly approached. In order to improve the design of the complex geometry of this structure, the study of the influence of the mean geometrical parameters on the discharge capacity is an essential stage. Following a former experimental study of the flow over Piano Key Weirs, highlighting the mean influence of three geometrical parameters, this paper presents the results of an experimental parametric study. These results highlight the influence of the alveoli bottom slopes on the Piano Key Weir release capacity. Comparisons with numerical and analytical results, as well as design advices are also provided.
Research center :
Aquapôle - ULiège
Disciplines :
Civil engineering
Author, co-author :
Machiels, Olivier ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH)
Erpicum, Sébastien  ;  Université de Liège - ULiège > Services généraux (Faculté des sciences appliquées) > Scientifiques attachés au Doyen (Sc.appliquées)
Archambeau, Pierre  ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH)
Dewals, Benjamin  ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH)
Pirotton, Michel ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH)
Language :
English
Title :
Influence of the alveoli slopes on the discharge capacity of Piano Key Weirs
Publication date :
2011
Event name :
34th IAHR world congress
Event place :
Brisbane, Australia
Event date :
26 June - 1 July 2011
Audience :
International
Main work title :
Proceedings of the 34th IAHR world congress
Publisher :
Engineers Australia
ISBN/EAN :
978-0-85825-868-6
Peer reviewed :
Peer reviewed
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
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since 13 April 2011

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