Search Results - "Discharge coefficient"

Empirical Modeling of Flow Behavior over Stepped Weirs Using Brink Depth for Sustainable Irrigation Applications.

Authors: Dermawan, Very Edijatno Asmaranto, Runi et al.

Source: Engineering, Technology & Applied Science Research; Jun2026, Vol. 16 Issue 3, p35620-35629, 10p

Experimental Investigation on the Cavitation Fundamental Characteristics of a Venturi Tube Under Ambient-Pressure Conditions.

Authors: Chen, Guichun Zou, Deyong Zhou, Weidong et al.

Source: Applied Sciences (2076-3417); Dec2025, Vol. 15 Issue 23, p12493, 43p

EXACT THEORETICAL RATING LAW FOR SHARP-CRESTED ELLIPTIC, SEMI-ELLIPTIC, AND CIRCULAR WEIRS.

Authors: B., ACHOUR L., AMARA K. H., KULKARNI

Source: Larhyss Journal; Dec2025, Issue 64, p199-324, 126p

Experimental investigation of the effect of perforated sill and orifice on sluice gate discharge coefficient.

Authors: Daneshfaraz, Rasoul Norouzi, Reza Akhondi, Behnaz et al.

Source: Water Science. Dec2025, Vol. 39 Issue 1, p426-434. 9p.

Generating an empirical discharge coefficient formula for regular polygonal multi-orifices: Experimental and numerical insights.

Authors: Abdelrahman, Ahmed M. Elmolla, Anas M. Mobasher, Amir M.

Source: Water Science. Dec2025, Vol. 39 Issue 1, p619-642. 24p.

Influence of the Semicircular Cycle in a Labyrinth Weir on the Discharge Coefficient.

Authors: Mattos-Villarroel, Erick Dante Ojeda-Bustamante, Waldo Díaz-Delgado, Carlos et al.

Source: Water (20734441). Nov2025, Vol. 17 Issue 21, p3151. 23p.

Influence of Labyrinth Side Weir Shape Modification on the Hydrodynamic Performance: Experimental and Numerical Study.

Authors: Hussein, Bshkoj S. Jalil, Shaker A.

Source: Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ). Aug2025, Vol. 50 Issue 16, p12881-12902. 22p.

Subjects: Discharge coefficient, Weirs, Numerical analysis, Angles, Hydraulic engineering, Fluid flow, Fluid dynamics, Empirical research

A new formula for the elementary discharge coefficient in supercritical flow over side weirs.

Authors: Jalili Ghazizadeh, Mohammadreza Mohajeri, Seyed Hossein Ezati, Soran

Source: ISH Journal of Hydraulic Engineering. May2026, Vol. 32 Issue 2, p364-378. 15p.

Subjects: Discharge coefficient, Weirs, Genetic algorithms, Open-channel flow, Froude number, Flow separation, Energy dissipation, Hydraulic engineering

Experimental Hydraulic Investigation of Various Geometric Labyrinth Side Weirs.

Authors: Hasan, Safa Ibrahim Jamel, Asmaa Abdul Jabbar

Source: Instrumentation, Mesures, Métrologies. Oct2025, Vol. 24 Issue 5, p317-324. 8p.

Effect of ramp slope on the efficiency of hump weirs in free flow condition.

Authors: Azimi, Amir H. Ahmadi, Arash Baki, Abul B.M.

Source: Canadian Journal of Civil Engineering. 2023, Vol. 50 Issue 8, p670-680. 11p.

Investigating the Effect of Grooves on the Hydraulic Parameters of a Sharp-crested Trapezoidal Side Weir.

Authors: Daneshfaraz, R. Aminvash, E. Omidvar, R. et al.

Source: Journal of Applied Fluid Mechanics; Oct2025, Vol. 18 Issue 10, p2465-2475, 11p

The Hydraulic Performance Evaluation of a Compound Sharp Crested Weir with a Modified Trapezoidal–Semicircular Configuration.

Authors: Noori Bashboosh, Nabaa Abdulabbas Hassan, Fadhel Zwain, Hanadi H.

Source: Engineering, Technology & Applied Science Research; Oct2025, Vol. 15 Issue 5, p27966-27971, 6p

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

Authors: Asgharzadeh-Bonab, Akbar Bijanvand, Sajad Parsaie, Abbas et al.

Source: Scientific Reports. 9/26/2025, Vol. 15 Issue 1, p1-30. 30p.

بررسی تأثیر فشردگی جریان بر ضریب دبی دریچه سالونی با استفاده از ماشین بردار پشتیبان.

Alternate Title: Investigating effect of flow contraction on discharge coefficient of lopac gates using support vector machines.

Authors: کاظم شاهوردی شراره یاری

Source: Journal of Water & Irrigation Management. Autumn2025, Vol. 15 Issue 3, p497-508. 12p.

CRESTLESS CONTRACTED V-NOTCH WEIR FOR FLOW MEASUREMENT IN TRIANGULAR OPEN CHANNELS.

Authors: ACHOUR, B. AMARA, L. KULKARNI, K. H.

Source: Larhyss Journal; Sep2025, Issue 63, p7-54, 48p

A Model of Discharge Coefficient in Tertiary Box Combined with Overflow and Orifice.

Authors: Putra, Vena Rahayu Surya Bisri, Mohammad Soetopo, Widandi et al.

Source: Engineering, Technology & Applied Science Research; Aug2025, Vol. 15 Issue 4, p24680-24690, 11p

Hydraulic Analysis of a Combined Rectangular Sharp-Crested Weir with a Below-Rectangular Gate.

Authors: Almalki, Abdulrahman Seraj¹, asamalki@uqu.edu.sa

Source: Engineering, Technology & Applied Science Research; Aug2025, Vol. 15 Issue 4, p24554-24560, 7p

Evaluating Discharge Coefficient of Rectangular Sharp Crested Weirs Using Machine Learning Models.

Authors: Dhar, Mrinmoy Sapkota, Sanjog Chhetri Saha, Prasenjit et al.

Source: Water Resources Management. Jun2025, Vol. 39 Issue 8, p4151-4171. 21p.

Subject Terms: *Machine learning, *Discharge coefficient, *Statistical models, *Standard deviations, *Support vector machines

Experimental hydraulic study for the effect of radial gates operation scheme on flow characteristics.

Authors: Ibraheem, Ahmed M. Ibrahim, Mohamed M.

Source: ISH Journal of Hydraulic Engineering. Feb2026, Vol. 32 Issue 1, p122-141. 20p.

Subjects: Discharge coefficient, Fluid flow, Hydraulic control systems, Weirs, Gating system (Founding), Hydraulic measurements, Hydraulic jump, Statistical models

Study of Effect of Convergence Section Geometric on the Performance of a Sonic Nozzle.

Authors: Kassem, F. A. Zahran, A. A. Adel, M.

Source: Journal of Applied Fluid Mechanics; Jul2025, Vol. 18 Issue 7, p1669-1682, 14p