Submerged flow over various shapes of piano key weir

R Zarei, M Ghodsian, Y Sangsefidi… - Flow Measurement and …, 2024 - Elsevier
The weir, an essential element of dams utilized for floodwater management, plays a crucial
role in human life. Over the years, nonlinear weirs have advanced into Piano Key Weirs …

An experimental and numerical study on the flow field and scour downstream of rectangular piano key weirs with crest indentations

C Abdi Chooplou, M Ghodsian, D Abediakbar… - Innovative Infrastructure …, 2023 - Springer
In this research, the flow and scour patterns downstream of type-A rectangular piano key
weirs (PKWs) were studied experimentally and numerically. Variations of the bed …

Laboratory Study of the Hydraulic Performance of the A-Type Triangular Piano Key Weir

F Alizadeh Sanami, A Ghaderi, F Alizadeh Sanami… - Water, 2023 - mdpi.com
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 …

Experimental study of the effect of the input and output key angles on the discharge coefficient and efficiency of the PKWs

SE Ashja Arvan, J Sadeghian, H Norouzi - Water Supply, 2024 - iwaponline.com
The results showed that the discharge coefficient (Cd), efficiency (Ra) and, consequently,
the increase in the passing flow discharge have a direct relationship with the inclination …

Comparative Analysis of Weir Plan Forms and Their Discharge Characteristics

A Singh, KK Gupta, S Kumar - Dynamics of Transportation Ecosystem …, 2024 - Springer
This manuscript offers a comprehensive review of the discharge characteristics and a
comparative analysis of various weir plan forms, essential components of hydraulic …

[PDF][PDF] Enhancing Hydraulic Performance and Discharge Efficiency of a Type-C Piano Key Weir Through Stage Incorporation

TA Musa, NOS Alghazali - Journal of Engineering and Sustainable …, 2024 - iasj.net
In combination with control structure discharge equations like weirs, the discharge, and
equipped head share a direct relationship where an increase in the equipped head …