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Asli Bor, Marcell Szabo-Meszaros, Kaspar Vereide and Leif Lia
CFD models of intakes in high-head hydropower systems are rare due to the lack of geometric data and cost of modeling. This study tests two different types of software to see how modeling can be performed in a cost-effective way with scarce input data an...
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Forough Alizadeh Sanami, Amir Ghaderi, Fardin Alizadeh Sanami, Parisa Mirkhorli and Silvia Di Francesco
A piano key weir (PKW), a new type of weir aiming to increase the discharge capacity of an existing dam, was recently designed. Despite a large body of research in this field, only a few studies were conducted on A-type triangular piano key weirs (TPKW) ...
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James Yang, Shicheng Li, Anna Helgesson, Erik Skepparkrans and Anders Ansell
The piano key (PK) weir is a cost-effective structure for flood discharge. Its typical layout comprises a rectangularly cranked crest in planform with up- and downstream overhangs. With the intention to enhance its hydraulic efficiency, the conventional ...
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Zhian Ye, Shaoxin Kang, Zhengjiang Wang, Qi Jiang, Jiangtao Zhang, Bin Zheng and Jinlei Wang
The high-efficiency sedimentation tank has a wide range of application prospects in industrial wastewater treatment due to its small footprint, strong resistance to shock loads, and high efficiency. However, the complex flow field distribution inside sig...
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Menwagaw T. Damtie, Marshet B. Jumber, Fasikaw A. Zimale and Seifu A. Tilahun
Accurate water flow measurement ensures proper irrigation water management by allocating the desired amount of water to the irrigation fields. The present study evaluated whether the non-intrusive smartphone application ?DischargeApp? could be applicable...
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Josie Mielhausen, Jaclyn M. H. Cockburn, Paul V. Villard and André-Marcel Baril
Vortex rock weirs (VRW) are often used in natural channel design applications to maintain channel form and function, provide physical channel stability, and enhance aquatic habitats. A balanced approach is required to address (often) conflicting goals of...
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Thomas Gold, Kevin Reiterer, Christoph Hauer, Helmut Habersack and Christine Sindelar
Periodic flushing operations during moderate flood events (=annual flood flow HQ1" role="presentation">11
1
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Aurelian Cosmin Moldovan, Valer Micle, Tomi Alexandrel Hraniciuc and Nicolae Marcoie
The layout of water resources and the complex and rational use of them have an important role in the socioeconomic activities of an urban settlement. Transversal hydrotechnical constructions such as weirs reduce the longitudinal connectivity of rivers an...
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Fabio Di Nunno, Francesco Granata, Francesco Parrino, Rudy Gargano and Giovanni de Marinis
One of the main sources of microplastics inside surface waters is represented by combined sewer overflows (CSOs), involving severe risks for the environment. The entry of microplastics into water bodies also depends on the characteristics of sewer divers...
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Amir Ghaderi, Rasoul Daneshfaraz, Mehdi Dasineh and Silvia Di Francesco
In this work experimental and numerical investigations were carried out to study the influence of the geometric parameters of trapezoidal?triangular labyrinth weirs (TTLW) on the discharge coefficient, energy dissipation, and downstream flow regime, cons...
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