Hydraulic design and analysis of piano key weirs: a review

D Singh, M Kumar - Arabian Journal for Science and Engineering, 2021 - Springer
Dams are multipurpose structures that provide water for drinking purposes, hydroelectric
power generation, navigation, industrial uses, and irrigation, in addition to flood control. The …

Discharge coefficients for free and submerged flow over Piano Key weirs

A Kabiri-Samani, A Javaheri - Journal of hydraulic research, 2012 - Taylor & Francis
A comprehensive experimental investigation was performed to better understand the effect
of the weir geometry of a Piano Key weir (PKW) on the discharge coefficient for both free and …

Hydraulic design of A-type piano key weirs

ML Ribeiro, M Pfister, AJ Schleiss… - Journal of Hydraulic …, 2012 - Taylor & Francis
Piano Key Weirs (PKWs) are an alternative to linear overflow structures, increasing the unit
discharge for similar heads and spillway widths. Thus, they allow to operate reservoirs with …

Free-flow discharge estimation method for Piano Key weir geometries

BM Crookston, RM Anderson, BP Tullis - Journal of Hydro-Environment …, 2018 - Elsevier
Currently, many existing spillways located throughout the globe require rehabilitation due to
dam safety issues. Consequently, there is an increasing need for design tools that facilitate …

Hybrid meta-heuristics artificial intelligence models in simulating discharge passing the piano key weirs

M Zounemat-Kermani, A Mahdavi-Meymand - Journal of hydrology, 2019 - Elsevier
Piano key weirs (PKWs) are acquired and developed for free surface control structures
which improve their performance by increasing the storage capacity and flood evacuation. In …

Experimental parametric study and design of Piano Key Weirs

O Machiels, M Pirotton, A Pierre, B Dewals… - Journal of Hydraulic …, 2014 - Taylor & Francis
ABSTRACT Piano Key Weirs are an effective solution for dam rehabilitation as well as new
dam projects with a high level of hydraulic constraints. In order to improve the efficiency of …

Experimental observation of flow characteristics over a Piano Key Weir

O Machiels, S Erpicum, BJ Dewals… - Journal of hydraulic …, 2011 - Taylor & Francis
The Piano Key Weir is a type of labyrinth weir using overhangs to reduce the footprint of the
foundation. These are directly placed on a dam crest. Together with its high discharge …

[图书][B] Hydraulic engineering of dams

WH Hager, AJ Schleiss, RM Boes, M Pfister - 2020 - taylorfrancis.com
Hydraulic engineering of dams and their appurtenant structures counts among the essential
tasks to successfully design safe water-retaining reservoirs for hydroelectric power …

Experimental study and modelling discharge coefficient of trapezoidal and rectangular piano key weirs

M Kumar, P Sihag, NK Tiwari, S Ranjan - Applied Water Science, 2020 - Springer
Crest length is an important parameter in influencing the discharge handling capacity of a
weir. Nonlinear weirs with longer crests are cost effective alternatives for those existing dam …

[PDF][PDF] Experimental study of the hydraulic behaviour of Piano Key Weirs

O Machiels - 2012 - orbi.uliege.be
I also have to thank some people for their scientific collaboration and the exchange of
experimental results essential to the validation of the methods and models developed in this …