The hydraulic investigation of circular crested stepped spillway

A Parsaie, AH Haghiabi - Flow Measurement and Instrumentation, 2019 - Elsevier
In this study, the hydraulic properties of circular crested stepped spillways (CCSS) including
stage-discharge relation, discharge coefficient (C d) and their ability to dissipate energy …

Effect of stepped spillways on increasing dissolved oxygen in water, an experimental study

F Salmasi, J Abraham, A Salmasi - Journal of environmental management, 2021 - Elsevier
In this study, different physical models of stepped spillways are constructed and the effect of
intense water mixing on increasing the dissolved oxygen concentration in water is …

Tree-based nonlinear ensemble technique to predict energy dissipation in stepped spillways

Ö Ekmekcioğlu, EE Başakın… - European Journal of …, 2022 - Taylor & Francis
In this study, under the skimming flow regime, energy dissipation was investigated with data-
driven methods. The data set obtained from the laboratory experiments were modelled by …

Effect of slope on energy dissipation for flow over a stepped spillway

F Salmasi, J Abraham - Water Supply, 2022 - iwaponline.com
In a stepped spillway, the spillway face is provided with a series of steps from near the crest
to the toe. This type of spillway is attractive for water resource management because it …

Hydraulic characteristics of flow over stepped and chute spillways (case study: Zirdan Dam)

F Salmasi, J Abraham - Water Supply, 2023 - iwaponline.com
Stepped spillways are suitable and economical options for high-storage dams that require
significant energy dissipation, structural adaptation to roller-compacted concrete dams, and …

Numerical investigation of the effect of geometric parameters on discharge coefficients for broad-crested weirs with sloped upstream and downstream faces

F Malekzadeh, F Salmasi, J Abraham… - Applied Water Science, 2022 - Springer
Weirs are structures that are important for measuring flow and controlling water levels.
Research has shown that the discharge coefficient is not constant and depends on the crest …

[PDF][PDF] Laboratory and numerical investigation of the 2-array submerged vanes in meandering open channel

B Taşar, F Üneş, E Gemici - Mathematical biosciences and …, 2023 - researchgate.net
In the case of flooding in rivers, river regulation structures are important since scours occur
on the outer meander due to high flow velocities. In this study, 2-array submerged vane …

Genetic algorithms for optimizing stepped spillways to maximize energy dissipation

F Salmasi, J Abraham - Water supply, 2022 - iwaponline.com
Stepped spillways are important water-management structures that are used for energy
dissipation. Use of these spillways has increased in recent decades, they can reduce …

Numerical simulation of free surface flow on spillways and channel chutes with wall and step abutments by coupling turbulence and air entrainment models

LTT Hien, DH Duc - Water, 2020 - mdpi.com
Spillways and channel chutes are widely used in hydraulic works. Two kinds of abutment—
walls and steps—are usually constructed to dissipate energy; however, they may also cause …

Evaluation of energy dissipation on stepped spillway using evolutionary computing

A Parsaie, AH Haghiabi - Applied Water Science, 2019 - Springer
In this study, using the M5 algorithm and multilayer perceptron neural network (MLPNN), the
capability of stepped spillways regarding energy dissipation (ED) was approximated. For …