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Journal of Hydraulic Research Volume 31, 1993 - Issue 6
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Original Articles

On the free overfall

Enrico Marchi Institute of Hydraulics, University of Genoa, Faculty of Engineering, Genoa, Italy
Pages 777-790 | Received 11 Nov 1992, Published online: 14 Jan 2010

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C. Di Nucci & A. Russo Spena. (2018) On the steady two-dimensional open channel flow. Journal of Interdisciplinary Mathematics 21:3, pages 579-594.
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Oscar Castro-Orgaz & Willi H. Hager. (2014) One-dimensional modelling of curvilinear free surface flow: generalized Matthew theory. Journal of Hydraulic Research 52:1, pages 14-23.
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Oscar Castro-Orgaz & Willi H. Hager. (2013) Velocity profile approximations for two-dimensional potential open channel flow. Journal of Hydraulic Research 51:6, pages 645-655.
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Oscar Castro-Orgaz & Willi H. Hager. (2011) Vorticity equation for the streamline and the velocity profile. Journal of Hydraulic Research 49:6, pages 775-783.
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Jen-Yan Chen, Hung-Shin Huang, Yao-Ming Hong & Shi-I. Liu. (2011) The impact characteristics analysis of free over-fall flow on downstream channel bed. Journal of the Chinese Institute of Engineers 34:3, pages 403-413.
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Oscar Castro-Orgaz. (2011) Steady free-surface flow in porous media: generalized Dupuit–Fawer equations. Journal of Hydraulic Research 49:1, pages 55-63.
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Carmine Di Nucci & Aniello Russo Spena. (2010) Curved-streamline transitional flow from mild to steep slopes. Journal of Hydraulic Research 48:5, pages 699-700.
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Oscar Castro-Orgaz & Willi H. Hager. (2010) Moment of momentum equation for curvilinear free-surface flow. Journal of Hydraulic Research 48:5, pages 620-631.
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Floriana Maria Renna & Umberto Fratino. (2010) Nappe flow over horizontal stepped chutes. Journal of Hydraulic Research 48:5, pages 583-590.
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Simo Tammela, Hannu Marttila, Subhasish Dey & Bjørn Kløve. (2010) Effect and design of an underminer structure. Journal of Hydraulic Research 48:2, pages 188-196.
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L. Toombes, Connell Wagner & H. Chanson. (2008) Flow patterns in nappe flow regime down low gradient stepped chutes. Journal of Hydraulic Research 46:1, pages 4-14.
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C. Lin, W.-Y. Hwung, S.-C. Hsieh & K.-A. Chang. (2007) Experimental study on mean velocity characteristics of flow over vertical drop. Journal of Hydraulic Research 45:1, pages 33-42.
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Subhasish Dey & Martin F. Lambert. (2006) Discharge prediction in compound channels by end depth method. Journal of Hydraulic Research 44:6, pages 767-776.
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Guo Yakun, Wen Xianyun, Wu Chigong & Fang Duo. (1998) Numerical modelling of spillway flow with free drop and initially unknown discharge. Journal of Hydraulic Research 36:5, pages 785-801.
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Articles from other publishers (58)

Fariba Raeisi & Abdorreza Kabiri-Samani. (2023) Hydraulic characteristics of flow at grid drop-type dissipators with the upstream supercritical approach flow. Flow Measurement and Instrumentation 93, pages 102426.
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G. Beygipoor & K. Mazurek. (2021) Design Modification for Control of the "Hydraulique" Phenomenon Downstream of Low-Head Dam: Case Study—Salmon River Dam. Iranian Journal of Science and Technology, Transactions of Civil Engineering 46:2, pages 1771-1784.
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Tanjina AfrinNigel B. Kaye & Abdul A. Khan. (2021) Numerical Investigation of Rectangular Pipe Free Overfall for Various Upstream Conditions. Journal of Hydraulic Engineering 147:9.
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Lixing Zhu & Arif Masud. (2021) Variationally derived interface stabilization for discrete multiphase flows and relation with the ghost-penalty method. Computer Methods in Applied Mechanics and Engineering 373, pages 113404.
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Oscar Castro-Orgaz & Francisco N. Cantero-Chinchilla. (2019) Non-linear shallow water flow modelling over topography with depth-averaged potential equations. Environmental Fluid Mechanics 20:2, pages 261-291.
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Carmine Di Nucci. (2018) Unsteady free surface flow in porous media: One-dimensional model equations including vertical effects and seepage face. Comptes Rendus. Mécanique 346:5, pages 366-383.
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Yebegaeshet Zerihun. (2017) A Non-Hydrostatic Depth-Averaged Model for Hydraulically Steep Free-Surface Flows. Fluids 2:4, pages 49.
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Şahnaz Tiğrek, Ş. Yurdagül Kumcu & A. Metin Ger. (2017) Scrutinization of Flow in the Immediate Vicinity of a Brink in a Tilting Flume. Iranian Journal of Science and Technology, Transactions of Civil Engineering 41:2, pages 213-220.
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A.R. Kabiri-Samani, E. Bakhshian & M.R. Chamani. (2017) Flow characteristics of grid drop-type dissipators. Flow Measurement and Instrumentation 54, pages 298-306.
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Joan Baiges, Ramon Codina, Arnau Pont & Ernesto Castillo. (2017) An adaptive Fixed-Mesh ALE method for free surface flows. Computer Methods in Applied Mechanics and Engineering 313, pages 159-188.
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Oscar Castro-Orgaz & Willi H. Hager. (2015) Dressler’s theory for curved topography flows: iterative derivation, transcritical flow solutions and higher-order wave-type equations. Environmental Fluid Mechanics 16:2, pages 289-311.
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Yakun Guo. (2016) Flow in Open Channel with Complex Solid Boundary. Journal of Hydraulic Engineering 142:2.
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Ali R. Vatankhah. (2015) Power-law free overfall in subcritical flow regime. Ain Shams Engineering Journal 6:2, pages 399-402.
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Shun Chung Tsung, Jihn Sung Lai & Hau Wei Wang. (2015) Oscillating Water Surface Measurement of Free Overfall with a Plunge Pool. Journal of Flow Control, Measurement & Visualization 03:03, pages 87-105.
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Oscar Castro-Orgaz, Kolumban Hutter, Juan V. Giraldez & Willi H. Hager. (2015) Nonhydrostatic granular flow over 3-D terrain: New Boussinesq-type gravity waves?. Journal of Geophysical Research: Earth Surface 120:1, pages 1-28.
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Wei-yun ShaoLi-jie JiangYi-ping ZhangDavid Z. ZhuZhi-lin Sun. (2014) Hydraulic Features of Air-Water Mixture Flow on a Staircase with Rest Platforms. Journal of Hydraulic Engineering 140:6.
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Oscar Castro-Orgaz. (2013) Iterative Solution for Ideal Fluid Jets. Journal of Hydraulic Engineering 139:8, pages 905-910.
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Christian F. Janßen, Stephan T. Grilli & Manfred Krafczyk. (2013) On enhanced non-linear free surface flow simulations with a hybrid LBM–VOF model. Computers & Mathematics with Applications 65:2, pages 211-229.
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Corrado Gisonni & Willi H. HagerCorrado Gisonni & Willi H. Hager. 2012. Idraulica dei sistemi fognari. Idraulica dei sistemi fognari 313 340 .
Jyh-Haw Tang & Ming-Kuan Sun. (2011) Numerical investigation of the oscillatory free surface profiles of overfalls. Numerical investigation of the oscillatory free surface profiles of overfalls.
Seyed Vahid Nabavi, Mohammad Karim Beirami, Mohammad Reza Chamani & Mark Sterling. (2011) Free overfalls in flat-based circular and U-shaped channels. Flow Measurement and Instrumentation 22:1, pages 17-24.
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Willi H. HagerWilli H. Hager. 2010. Wastewater Hydraulics. Wastewater Hydraulics 308 333 .
Umberto FratinoFloriana Maria Renna. (2009) Discussion of “Computing the Trajectory of Free Jets” by T. L. Wahl, K. H. Frizell, and E. A. Cohen. Journal of Hydraulic Engineering 135:7, pages 624-626.
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Yafei Jia & Sam S. Y. Wang. 2008. Verification and Validation of 3D Free-Surface Flow Models. Verification and Validation of 3D Free-Surface Flow Models 153 247 .
F. M. Renna, U. Fratino, A. F. Piccinni & G. Balacco. (2008) Experimental Study on a Plane Free Overfall. Experimental Study on a Plane Free Overfall.
Yakun GuoLixiang ZhangYongming ShenJisheng Zhang. (2008) Modeling Study of Free Overfall in a Rectangular Channel with Strip Roughness. Journal of Hydraulic Engineering 134:5, pages 664-667.
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Şahnaz TiğrekC. Ersen FiratA. Metin Ger. (2008) Use of Brink Depth in Discharge Measurement. Journal of Irrigation and Drainage Engineering 134:1, pages 89-95.
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D. B. BryantA. A. KhanN. M. Aziz. (2008) Investigation of Flow Upstream of Orifices. Journal of Hydraulic Engineering 134:1, pages 98-104.
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Maurizio Righetti & Stefano Lanzoni. (2008) Experimental Study of the Flow Field over Bottom Intake Racks. Journal of Hydraulic Engineering 134:1, pages 15-22.
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Sujit K. Bose & Subhasish Dey. (2007) Curvilinear Flow Profiles Based on Reynolds Averaging. Journal of Hydraulic Engineering 133:9, pages 1074-1079.
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Nuray Denli Tokyay & Dilek Yildiz. (2007) Characteristics of free overfall for supercritical flows. Canadian Journal of Civil Engineering 34:2, pages 162-169.
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A. S. RamamurthyJunying QuDiep Vo. (2006) VOF Model for Simulation of a Free Overfall in Trapezoidal Channels. Journal of Irrigation and Drainage Engineering 132:4, pages 425-428.
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A S Ramamurthy, Junying Qu & Diep Vo. (2005) Volume of fluid model for an open channel flow problem. Canadian Journal of Civil Engineering 32:5, pages 996-1001.
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Z. Ahmad. (2005) Flow measurement using free overfall in inverted semi-circular channel. Flow Measurement and Instrumentation 16:1, pages 21-26.
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Yakun Guo. (2005) Numerical Modeling of Free Overfall. Journal of Hydraulic Engineering 131:2, pages 134-138.
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Vito Ferro. (2004) Discussion of “Free Overfall in Inverted Semicircular Channels” by Subhasih Dey. Journal of Hydraulic Engineering 130:11, pages 1126-1128.
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C. A. Vionnet, P. A. Tassi & J. P. Martín Vide. (2004) Estimates of flow resistance and eddy viscosity coefficients for 2D modelling on vegetated floodplains. Hydrological Processes 18:15, pages 2907-2926.
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R.V. Raikar, D. Nagesh Kumar & Subhasish Dey. (2004) End depth computation in inverted semicircular channels using ANNs. Flow Measurement and Instrumentation 15:5-6, pages 285-293.
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. 2004. Hydraulics of Open Channel Flow. Hydraulics of Open Channel Flow 512 527 .
Subhasish Dey. (2003) Free Overfall in Inverted Semicircular Channels. Journal of Hydraulic Engineering 129:6, pages 438-447.
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Subhasish Dey. (2003) Overfall in U-Shaped Channels. Journal of Engineering Mechanics 129:3, pages 358-362.
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Vito Ferro. (2002) Discussion of “EDR in Circular Channels” by Subhasish Dey. Journal of Irrigation and Drainage Engineering 128:6, pages 401-403.
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S. Dey. (2002) Free overall in circular channels with flat base: a method of open channel flow measurement. Flow Measurement and Instrumentation 13:5-6, pages 209-221.
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S. Dey. (2002) Free overall in open channels: state-of-the-art review. Flow Measurement and Instrumentation 13:5-6, pages 247-264.
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Chang LinWen-Yen HuangHorng-Fure SuenShih-Chun Hsieh. (2002) Study on the Characteristics of Velocity Field of Free Overfalls over a Vertical Drop. Study on the Characteristics of Velocity Field of Free Overfalls over a Vertical Drop.
Subhasish Dey & B. Ravi Kumar. (2002) Hydraulics of free overfall in Δ-shaped channels. Sadhana 27:3, pages 353-363.
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S. Dey. (2001) Flow measurement by the end-depth method in inverted semicircular channels. Flow Measurement and Instrumentation 12:4, pages 253-258.
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P. K. Mohapatra, S. Murty Bhallamudi & V. Eswaran. (2001) Numerical study of flows with multiple free surfaces. International Journal for Numerical Methods in Fluids 36:2, pages 165-184.
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Subhasish Dey. (2000) End depth in steeply sloping rough rectangular channels. Sadhana 25:1, pages 1-10.
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Vito Ferro. (1999) Theoretical End-Depth-Discharge Relationship for Free Overfall. Journal of Irrigation and Drainage Engineering 125:1, pages 40-44.
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Alastair C. DavisRichard P. JacobBrian G. S. Ellett. (1999) Estimating Trajectory of Free Overfall Nappe. Journal of Hydraulic Engineering 125:1, pages 79-82.
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Subhasish Dey. (1998) End Depth in Circular Channels. Journal of Hydraulic Engineering 124:8, pages 856-863.
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Abdul A. KhanPeter M. Steffler. (1996) Modeling Overfalls Using Vertically Averaged and Moment Equations. Journal of Hydraulic Engineering 122:7, pages 397-402.
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