Numerical study on the drag characteristics of rigid submerged vegetation patches

M Liu, W Huai, B Ji, P Han - Physics of Fluids, 2021 - pubs.aip.org
Aquatic plants play a crucial role in the hydrodynamic and material transport processes
within the aquatic environments due to the additional flow resistance induced by vegetation …

Velocity profile in steady flow with submerged flexible vegetation based on multi-factor-dependent drag coefficient

ZK Meng, H Zhang, P Wang, WJ Wang - Journal of Hydrology, 2024 - Elsevier
Flexible submerged vegetation plays a pivotal role in ecosystem. Understanding the
complex impact of flexible vegetation bending on flow drag is crucial. The wide variability in …

Flow velocity evolution through a floating rigid cylinder array under unidirectional flow

Z Gui, Y Shan, C Liu - Journal of Hydrology, 2023 - Elsevier
Floating canopies with unanchored roots are often distributed in streams and wetlands,
which alters the evolution of the flow velocity inside the canopy interiors. Based on the flow …

Flow velocity adjustment in a channel with a floating vegetation canopy

Z Gui, Y Shan, C Liu - Journal of Hydrology, 2024 - Elsevier
Floating vegetation with unanchored and connected roots can completely cover the water
surface of rivers, ditches, and streams. Eichhornia crassipes is a typical macrophyte with a …

An analytical study for predicting incipient motion velocity of sediments in ecological open channel flows

J Zhang, Z Mi, W Wang, Z Li, P Li, J Xu, J Li, H Wang… - Physics of …, 2024 - pubs.aip.org
Sediment movements on the riverbeds are crucial in fluvial processes. Therefore, studying
incipient sediment motion is valuable for predicting changes in sediment behavior. In this …

The influence of in situ purification system on pathogen in the river fed by the drainage of sewage plant

Z Peng, Y He, L Yu, Z Hao, T Li, L Gu… - Environmental Science and …, 2024 - Springer
An in situ integrated system, consisting of ecological floating islands (EFI), ecological
riverbeds (ER), and ecological filter dams (EFD), was built in a ditch only receiving the …

Turbulence and sediment deposition in a channel with floating vegetation

Z Gui, Y Shan, C Li, S Sun, C Liu - Journal of Hydrology, 2024 - Elsevier
Floating canopies of vegetation alter the vertical profile of flow velocity within and below
canopies, which in turn impacts sediment deposition below canopies. This study explored …

A method for modeling the lateral distributions of depth-averaged velocities behind an emergent vegetation patch

H Zheng, Y Pan, K Yang - Journal of Hydrology, 2024 - Elsevier
Aquatic vegetation provides ecological, hydrological, and aesthetic functions for rivers, and
measuring velocity in vegetated channels is essential for river management. The paper …

An analytical model for transverse velocity distributions of overbank flows with submerged and emergent vegetated floodplains

J Liu, H Xu, Y Bai, Z Huang, C Li, Z Wen… - Hydrological …, 2023 - Wiley Online Library
The emergence of floodplain vegetation enhances the local drag and affects the velocity
distribution of the overbank flow in a two‐stage channel. Numerous analytical models (eg …

Modeling of velocity and shear stress profiles in the ecological channel with floating vegetation

J Zhang, W Wang, Z Li, H Wang, Y Geng - Environmental Science and …, 2023 - Springer
Floating vegetation occurs in various environments, such as artificial floating islands,
wetlands, river courses, and lakes, which constitute an important part of the river landscape …