Results 31 to 40 of about 137 (87)

Upstream Erosion and Sediment Passage at Piano Key Weirs [PDF]

, 2019
Piano key weirs (PKWs) are a weir type characterized by an effective rating curve. Accordingly, this control structure is primarily applied at dams to increase the spillway capacity.
Schleiss, Anton J., Noseda, Mattia, Stojnic, Ivan, Pfister, Michael   +3 more
core   +1 more source

Comparison of Hydraulic Performance of Linear and Nonlinear Piano-Key Weirs in Plan

علوم آب و خاک, 2019
In this research, by using FLOW3D, the performance of non-linear (arced) piano key (PKW-NL) in plan and linear piano key weir (PKW-L), with equal length of weir, was compared.
A. Rezaei Ahvanooei, H. Karami, F. Mousavi   +2 more
doaj  

Energy dissipation on a stepped spillway downstream of a Piano Key Weir - Experimental study [PDF]

, 2011
peer reviewedPiano Key Weir (PKW) is a new type of weir showing appealing hydraulic capacities. Its specific geometric features create different interacting flows and jets downstream of the structure.
Erpicum, Sébastien, P Archambeau, Machiels, Olivier, Dewals, Benjamin, O Machiels, M Pirotton, B Dewals, C Daux, Daux, Christophe, Archambeau, Pierre, Pirotton, Michel, S Erpicum   +11 more
core   +1 more source

Comparison of PKWs with Same Weir Height [PDF]

, 2023
Spillways are significant engineering structures constructed from past to present to perform their important functions within the water structures. There are many studies about linear weirs (sharp edged, wide-flange) placed on open channels to measure ...
Martı, Ali İhsan, Çeşmeci, Burak
core  

Toe-scour formation at Piano Key Weir [PDF]

, 2021
Beyond their initial application on gravity dam crests as an element of an auxiliary spillway, Piano Key Weirs (PKWs) are more and more combined with weirs on rivers.
Jüstrich, Stefan, Schleiss, Anton J.
core  

On the Piano Key Weir hydraulics [PDF]

, 2012
peer reviewedThe Piano Key Weir (PKW) is a kind of labyrinth weir with a geometry that uses overhangs to reduce the base length. The PKW can thus be directly placed on the crest of an existing dam. Together with its high discharge capacity for low heads (
Erpicum, Sébastien, Machiels, Olivier, Dewals, Benjamin, Archambeau, Pierre, Pirotton, Michel   +4 more
core  

Contribution to the study of piano Key Weir hydraulics [PDF]

, 2010
peer reviewedWithin the framework of updating the release and storage capacities of existing reservoirs, the use of piano key weirs (PKW) can be an interesting alternative either to increase the discharge of a free weir without changing the weir width on
Erpicum, Sébastien, Machiels, Olivier, Dewals, Benjamin, Archambeau, Pierre, Pirotton, Michel   +4 more
core  

Flow profiles and hydraulic behavior of rectangular piano key weirs: effect of sloping crest and orientation across different scales

Results in Engineering
Piano Key Weirs (PKWs), renowned for their enhanced discharge capacity within a compact footprint, represent a significant advancement in hydraulic engineering.
Hossein Sohrabzadeh Anzani, Masoud Ghodsian, Sameh Ahmed Kantoush   +2 more
doaj   +1 more source

Overview of Piano Key weir prototypes and scientific model investigations [PDF]

The interest in Piano Key weirs (PKW) was increasing over the past years, both in terms of application and hydraulic research. Several systematic model test series were per-formed and published so far, originating from different hydraulic laboratories ...
Schleiss, Anton, Leite Ribeiro, Marcelo, Pfister, Michael   +2 more
core  

Sensitivity Analysis for Discharge Coefficients of Piano Key Weirs [PDF]

, 2016
Piano Key Weirs are relatively new weir structures which can be used as flood release structure at the top of a dam or as regular weir structure within a river system.
Oertel, M.
core   +2 more sources