... coefficients γ specific weight of the water (N/m^{3) ε energy dissipation per unit mass (m2/s3) ν kinematic viscosity of water (m2/s) CFD computational fluid dynamics hydraulics & hydrodynamics river engineering Standard}...

... Limited Licensed re-use rights only bidirectional tidal flow bridges complex pier experimental study flow attack angle local scour river engineering sands scour depth sustainable development UN SDG 9: Industry innovation and infrastructure water flow Open Fund of the State Key...

...-induced rock dislodgement of rock weirs, effective control of the similarity in weir void ratio needs to be considered. 4 U g D 0.5   ∝   f h t z , D z flow dislodgement models (physical) river engineering rock weir scale effect void...

... only adjoint assimilation method dams, barrages & reservoirs hydrology & water resource inverse problem longitudinal riverbed profile river engineering water surface line A area of cross-section (m^{2) B width of cross-section (m}...

...–pool configurations geology hydrology & water resource river engineering The radius of curvature of the main stream line can be expressed as the horizontal projection of the line of maximum depth-averaged velocity. 1 R M = 1 ϕ J ϕ 0 g R...

... and Mountain River Engineering at Sichuan University, China (see Figure 1). The glass side-wall section, with a total length of 12 m, was located in the middle of the flume and is the primary measurement section of the experiment. The starting position of the glass section is recorded as x = 0.0 m...

...-Samani and Keihanpour (2021) and Shemshi and Kabiri-Samani (2017) . dams, barrages & reservoirs discharge coefficient hydraulics & hydrodynamics marguerite-shaped inlet (MSI) numerical methods numerical modelling orifice flow regime river engineering swirling flow vertical shaft...

... the abbreviations used in this paper are defined in the Appendix. 19 09 2022 21 08 2023 Emerald Publishing Limited: All rights reserved 2024 data mining modelling river engineering water flow The movement of water in rivers is known as the river flow, which is constantly changing...

... the downscaled W weir was 2.0D in size and 1.0D high, placed 2.0D distant from the pier. countermeasures erosion and bridges pier river engineering scour W weir water flow ∅ cr = 0.013 D ∗ 0.29 for 20 < D ∗ ≤ 150 Critical bed...

... & hydrodynamics laboratory tests river engineering A hydraulic jump is used to dissipate the energy of high-velocity flow occurring downstream of low-head hydraulic structures. However, because of the high turbulence, eddies and pressure variations within a hydraulic jump, it is necessary to control...

... is the gravitational force of water in the direction of flow. Combining Equations 1 and 2 , the mean wall shear stress is: Emerald Publishing Limited: All rights reserved 2023 fluid mechanics hydraulics & hydrodynamics river engineering shear waterways & canals 3 τ...

... bedform migration bridge pier hydraulics & hydrodynamics instream structures live-bed scour river engineering sedimentation submerged weir The experiments (Guan, 2015 ; Wang, 2018 ; Yang, 2020) were conducted in two sediment-recirculating tilting flumes. The first flume, in which...

... ′ 2 ¯ 17 05 2022 01 02 2023 Emerald Publishing Limited: All rights reserved 2023 hydraulics & hydrodynamics meandering channel river engineering sediment supply water flow Unlike in a straight channel, the flow in a meandering channel is subjected...

... & hydrodynamics river engineering Binnie and Hookings (1948) experimentally investigated swirling flow at two vertical pipes, fitted with trumpet entries of different shapes on the axis of an open circular tank. They determined relations between head and discharge under various conditions of tangential...

...-aeration river engineering vortex formation waterways & canals A hydraulic jump occurs when a high-velocity open-channel flow runs into a low-velocity region and the flow regime changes from supercritical to subcritical flows (Henderson, 1966). The transitional region starts with a sudden...

... Run 3 450 7.72 4 0.52 0.90 0.28 0.35 2.61 0.12 1.93 0.125 5.7 05 05 2021 17 05 2021 ICE Publishing: All rights reserved 2021 compound meandering channel flow characteristics hydraulics & hydrodynamics momentum overbank flow river engineering secondary...

... was determined, which will help in quick estimates of the NBSS in future practical projects. 24 05 2021 03 09 2021 ICE Publishing: All rights reserved 2021 river engineering statistical analysis stress analysis Some geological disasters (e.g. collapse, landslides, debris flow...

... . 17 05 2021 17 05 2021 ICE Publishing: All rights reserved 2021 dams, barrages & reservoirs hydraulics & hydrodynamics river engineering In Equations 1–4 , v r ¯ , v θ ¯ , v z ¯ represent the mean velocities and v ′ r...

... connected to the acoustic measuring device to measure scour depths (dimensions: cm) 15 07 2020 17 05 2021 ICE Publishing: All rights reserved 2021 bridges hydraulics & hydrodynamics river engineering In the past, several studies were conducted to estimate maximum...

... & hydrodynamics river engineering A theoretical relationship between the conjugate depths d₁ and d₂ can be derived from the momentum equation as 2 d 2 / d 1 = 0.5 × ( 1 + 8 × F r 1 2 − 1 ) The aim of the study...