Results 71 to 80 of about 135 (128)

Numerical study on discharge capacity of piano key side weir with various ratios of the crest length to the width

Open Engineering
A side or lateral weir can be defined as a longitudinal weir put in parallel to the main flow direction. A piano key side weir (PKSW) is one of the various side weirs used to control flow level, flow diversion, and flood harm prevention in dams and ...
Alabedi Hiba Jameel, Khassaf Saleh Issa
doaj   +1 more source

Optimized machine learning models for accurate prediction of the discharge coefficient in hydraulic weirs

Journal of Hydrology and Hydromechanics
Despite the growing reliance on machine learning (ML) models in hydraulic applications, it remains essential to compare both optimized and non-optimized models (regardless of their novelty) to identify the most accurate and reliable predictor.
Belaabed Faris, Arabet Leila, Goudjil Kamel, Ouamane Ahmed   +3 more
doaj   +1 more source

Effects of flow splitters on local scour downstream of type-A trapezoidal piano key weir

Applied Water Science
This study investigates the effectiveness of flow splitters in reducing scour downstream of trapezoidal Piano Key Weirs through a comprehensive experimental study. Three distinct geometries of flow splitters—square, rectangular, and circular—are examined
Sara Kazerooni, Chonoor Abdi Chooplou, Masoud Ghodsian   +2 more
doaj   +1 more source

Frank Buckland--medical naturalist. [PDF]

Proc R Soc Med, 1967
Snell WE.
europepmc   +1 more source

Machine learning-based estimation of discharge coefficient for semicircular labyrinth weirs. [PDF]

Sci Rep
Asgharzadeh-Bonab A, Bijanvand S, Parsaie A, Afaridegan E.   +3 more
europepmc   +1 more source

Evaluation of advanced AI models for accurate prediction and uncertainty analysis of aeration inception in hydrofoil-crested stepped spillways. [PDF]

Sci Rep
Nejatipour P, Kiani B, Salavat SK, Atajanova S, Xudaynazarov E, Matchanova B, Afaridegan E.   +6 more
europepmc   +1 more source

Labyrinth and Piano Key Weirs II [PDF]

, 2013
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Piano Key Weir Hydraulics and Labyrinth Weir Comparison

Journal of Irrigation and Drainage Engineering, 2013
AbstractA piano key (PK) weir is a type of nonlinear (labyrinth-type) control structure with a relatively small spillway footprint.
R. M. Anderson, B. P. Tullis
openaire   +1 more source

Discharge Capacity of Piano Key Weirs

Journal of Hydraulic Engineering, 2012
In recent years, spillway rehabilitation has increased in importance and become the subject of many projects worldwide. One solution for this problem is the implementation of a new type of labyrinth spillway, called Piano Key Weir (PK-Weir ). This is an excellent alternative for increasing the overflow capacity of existing dams.
Leite Ribeiro, Marcelo, Bieri, Martin Peter, Boillat, Jean-Louis, Schleiss, Anton, Singhal, G., Sharma, N.   +5 more
openaire   +3 more sources