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Hydraulics of Piano Key Weirs: A review
Erpicum, Sébastien; Archambeau, Pierre; Dewals, Benjamin et al.
2017In Erpicum, Sébastien; Laugier, Frédéric; Ho Ta Khanh, Michel et al. (Eds.) Labyrinth and Piano Key Weirs III - PKW 2017
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Keywords :
discharge capacity; scale effects; numerical modeling; physical modeling; state of the art
Abstract :
[en] The Piano Key Weir (PKW) is a rectangular-labyrinth-type weir that utilizes cantilevered apexes in order to maximize the allowable weir length that can fit in a given spillway channel width, while reducing the required structural footprint. These features make it an interesting and viable solution for increasing discharge capacity at existing dams as well as new projects. Since the early works at the University of Biskra in 2000, numerous re-search and development works have been carried out in several laboratories to understand the PKW hydraulic behavior, optimize its design and prove its advantages and drawbacks. Beside, more than 25 PKWs are now in operation or under construction all over the world. This paper aims at summarizing the information available to date about PKW hydraulics in order to provide a synthetic overview and a reference list to students, researchers and practitioners and thus help them to understand how such a complex structure operates and what could be the possible further steps in research and development.
Research center :
Aquapôle - ULiège
Disciplines :
Civil engineering
Author, co-author :
Erpicum, Sébastien  ;  Université de Liège > Scientifiques attachés au Doyen (Sc.appliquées)
Archambeau, Pierre  ;  Université de Liège > Département ArGEnCo > HECE (Hydraulics in Environnemental and Civil Engineering)
Dewals, Benjamin  ;  Université de Liège > Département ArGEnCo > Hydraulics in Environmental and Civil Engineering
Pirotton, Michel ;  Université de Liège > Département ArGEnCo > HECE (Hydraulics in Environnemental and Civil Engineering)
Language :
English
Title :
Hydraulics of Piano Key Weirs: A review
Alternative titles :
[fr] Etat des connaissances sur l'hydraulique des déversoirs en touches de piano
Publication date :
2017
Event name :
3rd Int. Work. on Labyrinth and Piano key weirs
Event organizer :
ULG - EDF - EPFL - VNCOLD
Event place :
Qui Nhon, Vietnam
Event date :
22-24 Février 2017
By request :
Yes
Audience :
International
Main work title :
Labyrinth and Piano Key Weirs III - PKW 2017
Editor :
Erpicum, Sébastien  ;  Université de Liège - ULiège > Urban and Environmental Engineering
Laugier, Frédéric
Ho Ta Khanh, Michel
Pfister, Michael
Publisher :
Taylor & Francis Group, London, United Kingdom
ISBN/EAN :
978-1-138-05010-5
Pages :
27-36
Peer reviewed :
Peer reviewed
Available on ORBi :
since 12 September 2017

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