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Technical note

Optical flow estimation in aerated flows

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Pages 575-580 | Received 11 Sep 2015, Accepted 30 Mar 2016, Published online: 29 Apr 2016

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Read on this site (5)

Liekai Cao, Volker Weitbrecht, Danxun Li & Martin Detert. (2021) Airborne Feature Matching Velocimetry for surface flow measurements in rivers. Journal of Hydraulic Research 59:4, pages 637-650.
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Mario Oertel & Florian Süfke. (2020) Two-dimensional dam-break wave analysis: particle image velocimetry versus optical flow. Journal of Hydraulic Research 58:2, pages 326-334.
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Gangfu Zhang & Hubert Chanson. (2019) Application of optical flow methods to aerated skimming flows above triangular and trapezoidal step cavities. Journal of Hydraulic Research 57:4, pages 488-497.
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Xuechun Liu, Ruidi BaiShanjun Liu & Zhong Tian. (2023) Bottom and side-wall aeration performance of an offset aerator in a flood discharge chute. Proceedings of the Institution of Civil Engineers - Water Management 176:6, pages 303-319.
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Hubert Chanson & Colin J. Apelt. (2023) Environmental fluid mechanics of minimum energy loss weirs: hydrodynamics and self-aeration at Chinchilla MEL weir during the November–December 2021 flood event. Environmental Fluid Mechanics 23:3, pages 633-659.
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Jinzhao Li, Xuan Kong, Yilin Yang, Zhiwen Yang & Jiexuan Hu. (2023) Computer vision-based measurement of wave force on the rectangular structure. Ocean Engineering 270, pages 113624.
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Rui Shi, Davide Wüthrich & Hubert Chanson. (2023) Air–water properties of unsteady breaking bores part 1: Novel Eulerian and Lagrangian velocity measurements using intrusive and non-intrusive techniques. International Journal of Multiphase Flow 159, pages 104338.
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Beibei Xu, Rui Shi, Peter Nielsen & Zheng Gong. (2023) Experimental investigation into the boundary layer structure near the tip of a dam-break wave on a dry, rough and horizontal bed. Coastal Engineering 179, pages 104252.
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Hubert Chanson. (2022) Stepped Spillway Prototype Operation and Air Entrainment: Toward a Better Understanding of the Mechanisms Leading to Air Entrainment in Skimming Flows. Journal of Hydraulic Engineering 148:11.
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Davide Wüthrich, Rui Shi & Hubert Chanson. (2022) Hydraulic jumps with low inflow Froude numbers: air–water surface patterns and transverse distributions of two-phase flow properties. Environmental Fluid Mechanics 22:4, pages 789-818.
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Girish Kini & Srinivas Garimella. (2022) Understanding the effect of surfactants on two-phase flow using computer vision. International Journal of Heat and Mass Transfer 189, pages 122676.
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Hubert Chanson. (2022) On air entrapment onset and surface velocity in high-speed turbulent prototype flows. Flow Measurement and Instrumentation 83, pages 102122.
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Yvan Arosquipa Nina, Rui Shi, Davide Wüthrich & Hubert Chanson. (2022) Intrusive and non-intrusive two-phase air-water measurements on stepped spillways: A physical study. Experimental Thermal and Fluid Science 131, pages 110545.
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Hubert Chanson. (2022) Energy dissipation on stepped spillways and hydraulic challenges—Prototype and laboratory experiences. Journal of Hydrodynamics 34:1, pages 52-62.
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Luís P. N. Mendes, Ana M. C. Ricardo, Alexandre J. M. Bernardino & Rui M. L. Ferreira. (2021) A comparative study of optical flow methods for fluid mechanics. Experiments in Fluids 63:1.
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Davide Wüthrich, Rui Shi & Hubert Chanson. (2021) Strong free-surface turbulence in breaking bores: a physical study on the free-surface dynamics and air–water interfacial features. Journal of Fluid Mechanics 924.
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Kun Wang, Rongcai Tang, Ruidi Bai & Hang Wang. (2021) Evaluating phase-detection-based approaches for interfacial velocity and turbulence intensity estimation in a highly-aerated hydraulic jump. Flow Measurement and Instrumentation 81, pages 102045.
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C. Gualtieri & H. Chanson. (2021) Physical and numerical modelling of air-water flows: An Introductory Overview. Environmental Modelling & Software 143, pages 105109.
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Rui Shi, Xinqian Leng & Hubert Chanson. (2021) Breaking bore roller characteristics: Turbulence statistics using optical techniques. Coastal Engineering 168, pages 103893.
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B. Hohermuth, M. Kramer, S. Felder & D. Valero. (2021) Velocity bias in intrusive gas-liquid flow measurements. Nature Communications 12:1.
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M. Kramer, B. Hohermuth, D. Valero & S. Felder. (2021) On velocity estimations in highly aerated flows with dual-tip phase-detection probes - closure. International Journal of Multiphase Flow 134, pages 103475.
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Feng Jiang, Weilin Xu, Jun Deng & Wangru Wei. (2020) Flow Structures of the Air-Water Layer in the Free Surface Region of High-Speed Open Channel Flows. Mathematical Problems in Engineering 2020, pages 1-10.
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Hubert Chanson. (2020) On velocity estimations in highly aerated flows with dual-tip phase-detection probes - A commentary. International Journal of Multiphase Flow 132, pages 103330.
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Urban Pavlovčič, Gašper RakMarko HočevarMatija Jezeršek. (2020) Ranging of Turbulent Water Surfaces Using a Laser Triangulation Principle in a Laboratory Environment. Journal of Hydraulic Engineering 146:8.
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M. Kramer & D. Valero. (2020) Turbulence and self-similarity in highly aerated shear flows: The stable hydraulic jump. International Journal of Multiphase Flow 129, pages 103316.
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Wei-Liang Chuang, Kuang-An Chang, James Kaihatu, Rodrigo Cienfuegos & Cyril Mokrani. (2020) Experimental study of force, pressure, and fluid velocity on a simplified coastal building under tsunami bore impact. Natural Hazards 103:1, pages 1093-1120.
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T. Tocci, L. Capponi, R. Marsili, G. Rossi & J. Pirisinu. (2020) Suction system vapour velocity map estimation through SIFT-based alghoritm. Journal of Physics: Conference Series 1589:1, pages 012004.
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Daniel Valero, Nicolò Viti & Carlo Gualtieri. (2018) Numerical Simulation of Hydraulic Jumps. Part 1: Experimental Data for Modelling Performance Assessment. Water 11:1, pages 36.
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Daniel Valero & Daniel B. Bung. (2016) Development of the interfacial air layer in the non-aerated region of high-velocity spillway flows. Instabilities growth, entrapped air and influence on the self-aeration onset. International Journal of Multiphase Flow 84, pages 66-74.
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