Dense granular flow rheology in turbulent bedload transport
R Maurin, J Chauchat, P Frey - Journal of Fluid Mechanics, 2016 - cambridge.org
The local granular rheology is investigated numerically in turbulent bedload transport.
Considering spherical particles, steady uniform configurations are simulated using a …
Considering spherical particles, steady uniform configurations are simulated using a …
Bedload: a granular phenomenon
P Frey, M Church - Earth Surface Processes and Landforms, 2011 - Wiley Online Library
Bedload, the transport of sediment remaining in contact with the stream bed, has mainly
been studied from the perspective of the correlation between fluid driving forces and the …
been studied from the perspective of the correlation between fluid driving forces and the …
A minimal coupled fluid-discrete element model for bedload transport
R Maurin, J Chauchat, B Chareyre, P Frey - Physics of Fluids, 2015 - pubs.aip.org
A minimal Lagrangian two-phase model to study turbulent bedload transport focusing on the
granular phase is presented and validated with experiments. The model intends to describe …
granular phase is presented and validated with experiments. The model intends to describe …
Particle saltation trajectories in supercritical open channel flows: Roughness effect
Bed load sediment transport governed by particle saltation in supercritical open channel
flows causes bedrock incision in high‐gradient mountain streams and hydro‐abrasion at …
flows causes bedrock incision in high‐gradient mountain streams and hydro‐abrasion at …
Sediment transport in high‐speed flows over a fixed bed: 1. Particle dynamics
C Auel, I Albayrak, T Sumi… - Earth Surface Processes …, 2017 - Wiley Online Library
Particle dynamics are investigated experimentally in supercritical high‐speed open channel
flow over a fixed planar bed of low relative roughness height simulating flows in high …
flow over a fixed planar bed of low relative roughness height simulating flows in high …
The effects of kinetic sorting on sediment mobility on steep slopes
In poorly mobile static armour, sorting is usually considered the result of hiding/exposure
effects. We called this effect 'static sorting'in opposition to very efficient grain‐to‐grain …
effects. We called this effect 'static sorting'in opposition to very efficient grain‐to‐grain …
Infiltration of fine sediment into a coarse mobile bed: a phenomenological study
A Dudill, P Frey, M Church - Earth Surface Processes and …, 2017 - Wiley Online Library
Experiments were undertaken to study the nature of granular interaction in running water by
examining the influence of fine grain inputs to a coarser sediment bed with a mobile surface …
examining the influence of fine grain inputs to a coarser sediment bed with a mobile surface …
Discrete and continuum modelling of grain size segregation during bedload transport
R Chassagne, R Maurin, J Chauchat… - Journal of Fluid …, 2020 - cambridge.org
Grain-scale discrete element simulations of bidisperse mixtures during bedload transport
are used to understand, and model, bedload transport and particle-size segregation in …
are used to understand, and model, bedload transport and particle-size segregation in …
Experiments on Gravel‐Sand Transitions: Examination of Washload Deposition
EH Dingle, JG Venditti - Journal of Geophysical Research …, 2023 - Wiley Online Library
An abrupt transition in bed grain size occurs in river systems. Over a short downstream
distance, often only a few channel widths, the bed surface fines from gravel (∼ 10 mm) to …
distance, often only a few channel widths, the bed surface fines from gravel (∼ 10 mm) to …
Particle velocity and concentration profiles in bedload experiments on a steep slope
P Frey - Earth Surface Processes and Landforms, 2014 - Wiley Online Library
Depth profiles of particle streamwise velocity, concentration and bedload sediment transport
rate were measured in a turbulent and supercritical water flow. One‐size 6 mm diameter …
rate were measured in a turbulent and supercritical water flow. One‐size 6 mm diameter …