Results 1 to 10 of about 164 (142)

Investigation of discharge coefficient of trapezoidal labyrinth weirs using artificial neural networks and support vector machines

open access: yesApplied Water Science, 2019
Weirs are a commonly used system to adjust water surface level and to control the flow in canals and hydraulic structures. Labyrinth weirs are a type of weirs that can pass through a certain amount of flow which has a lower upstream water level than the ...
Reza Norouzi   +2 more
exaly   +9 more sources

Characteristics of Flow over Rectangular Labyrinth Weirs with Round Corners

open access: yesHydrology, 2021
The hydraulic performance of round-cornered rectangular labyrinth weirs with varying weir heights and effective lengths has not been explored in the existing literature to the authors’ knowledge.
, Kawa Zaidan, Omed S Q Yousif
exaly   +3 more sources

Effect of Corner Shape on Hydraulic Performance of One-Cycle Rectangular Labyrinth Weirs

open access: yesFluids, 2020
The hydraulic performance of rectangular labyrinth weirs has been investigated by many researchers, however, the effects of the corner shape on the hydraulic performance of rectangular labyrinth weirs have not been addressed in the current literature ...
, Omed S Q Yousif
exaly   +3 more sources

The energy dissipation of flow over the labyrinth weirs

open access: yesAlexandria Engineering Journal, 2022
In this study, the energy dissipation of flow over the triangular and trapezoidal labyrinth weirs with one and two key cycles was investigated. The magnification ratios (MR) of models were 1.57, 2.57, 3.57, and 4.57.
Amir Hamzeh Haghiabi   +2 more
doaj   +2 more sources

Investigating a new approach to enhance the discharge capacity of labyrinth weirs

open access: yesJournal of Hydroinformatics, 2023
Climate change has caused the inefficient operation of a significant number of old weirs to pass large discharges. Therefore, this study aims to increase the discharge capacity of the labyrinth weir.
Anees Kadhum Idrees
exaly   +3 more sources

Prediction of scour downstream of triangular labyrinth weirs

open access: yesAEJ - Alexandria Engineering Journal, 2020
Estimation and control of local scouring downstream hydraulic structures is an important aspect for designing hydraulic structures. Lack predicting of local scouring can cause endangered hydraulic structures.
Ismail Fathy
exaly   +3 more sources

Experimental Study of Rectangular Labyrinth Weir

open access: yesمجله آب و خاک, 2016
Introduction: Labyrinth weirs compare with straight weirs had required less freeboard in upstream so they are more appropriate for the irrigation networks.
M. Rezaee   +2 more
doaj   +2 more sources

Experimental Study of Discharge Coefficient of Combination Labyrinth Weirs [PDF]

open access: yesJournal of Hydraulic Structures, 2022
Labyrinth weirs are one of the kind of nonlinear crest weirs causing the increase of discharge capacity for specified height of water level in canals and dams.
Mojtaba Kheilapoor   +2 more
doaj   +1 more source

Investigating the Efficiency of Trapezoidal Labyrinth Weirs with Equal and Unequal Indentation Lengths [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی, 2023
Weirs are one of the most important hydraulic structures used in dams, which are built for safe discharge of flood flows. In order to increase the weir discharge capacity, labyrinth weirs are used in small openings.
Jalal Sadeghian, Ali Yari, Hadi Norouzi
doaj   +1 more source

Investigation laboratory of the effect of increase of the height of the side wall on the performance of nonlinear weirs

open access: yesWater Science, 2023
Nonlinear weirs offer a relatively high discharge capacity under low water loads. Their efficiency, however, is decreased at high water loads due to the submergence of the weir outlet key. In the present study, sloping parapet walls with the heights of 2,
Marzieh Hamidinia   +3 more
doaj   +1 more source

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