Theoretical analysis for bedload particle deposition and hop statistics

Z Wu, W Jiang, L Zeng, X Fu - Journal of Fluid Mechanics, 2023 - cambridge.org
Understanding the statistics of bedload particle motions is of great importance. To model the
hop events which are defined as trajectories of particles moving successively from the start …

Particle–fluid–wall interaction of inertial spherical particles in a turbulent boundary layer

LJ Baker, F Coletti - Journal of Fluid Mechanics, 2021 - cambridge.org
We study the dynamics of dilute, slightly negatively buoyant, millimetre-size spherical
particles fully suspended in a smooth-wall open channel flow. The Reynolds number is …

A velocity-variation-based formulation for bedload particle hops in rivers

Z Wu, A Singh, E Foufoula-Georgiou… - Journal of Fluid …, 2021 - cambridge.org
Bedload particle hops are defined as successive motions of a particle from start to stop,
characterizing one of the most fundamental processes of bedload sediment transport in …

Entrainment, motion, and deposition of coarse particles transported by water over a sloping mobile bed

J Heyman, P Bohorquez… - Journal of Geophysical …, 2016 - Wiley Online Library
In gravel bed rivers, bed load transport exhibits considerable variability in time and space.
Recently, stochastic bed load transport theories have been developed to address the …

A statistical description of particle motion and rest regimes in open‐channel flows under low bedload transport

MX Liu, A Pelosi, M Guala - Journal of Geophysical Research …, 2019 - Wiley Online Library
In the last decade several efforts were devoted to model sediment‐particle transport in rivers
as a stochastic process. Experimental observations are therefore needed to validate these …

Lagrangian and Eulerian description of bed load transport

F Ballio, D Pokrajac, A Radice… - Journal of …, 2018 - Wiley Online Library
Sediment particles transported as bed load undergo alternating periods of motion and rest,
particularly at weak flow intensity. Bed load transport can be investigated by either following …

The elements and richness of particle diffusion during sediment transport at small timescales

DJ Furbish, SL Fathel, MW Schmeeckle… - Earth Surface …, 2017 - Wiley Online Library
The ideas of advection and diffusion of sediment particles are probabilistic constructs that
emerge when the Master equation, a precise, probabilistic description of particle …

Modeling suspended sediment transport under influence of turbulence ejection and sweep events

CW Tsai, SH Huang - Water resources research, 2019 - Wiley Online Library
In conventional analysis of sedimentation in open channel flow, suspended sediment
transport is regarded as an advection diffusion process. A series of theories based on …

Generalization of hop distance‐time scaling and particle velocity distributions via a two‐regime formalism of bedload particle motions

Z Wu, D Furbish… - Water Resources …, 2020 - Wiley Online Library
To date, there is no consensus on the probability distribution of particle velocities during
bedload transport, with some studies suggesting an exponential‐like distribution while …

Continuous Near-Bed Movements of Microplastics in Open Channel Flows: Statistical Analysis

Z Yu, M Loewen, Y Zhou, Z Guo, AB Baki… - … Science & Technology, 2025 - ACS Publications
The ubiquitous distribution of microplastics (MPs) in aquatic environments is linked to their
transport in rivers and streams. However, the specific mechanism of bedload microplastic …