Particle–turbulence interaction and local particle concentration in sediment-laden open-channel flows
K Noguchi, I Nezu - Journal of Hydro-environment Research, 2009 - Elsevier
The present study describes an experimental investigation on the effects of ejection and
sweep motions to the local sediment concentration and turbulence modulation in suspended …
sweep motions to the local sediment concentration and turbulence modulation in suspended …
Turbulence characteristics and interaction between particles and fluid in particle-laden open channel flows
I Nezu, R Azuma - Journal of Hydraulic Engineering, 2004 - ascelibrary.org
Mechanism of sediment transport is composed of complicated interactions between
turbulent flow, particle motion, and bed configurations. Of particular significance is the …
turbulent flow, particle motion, and bed configurations. Of particular significance is the …
Role of suspended‐sediment particle size in modifying velocity profiles in open channel flows
Z Cao, S Egashira, PA Carling - Water resources research, 2003 - Wiley Online Library
Previous experimental and analytical studies have revealed that suspended particles can
attenuate or enhance turbulence, depending on the particle size in relation to turbulence …
attenuate or enhance turbulence, depending on the particle size in relation to turbulence …
Velocity profiles for particles and liquid in open-channel flow with suspended sediment
M Muste, VC Patel - Journal of hydraulic engineering, 1997 - ascelibrary.org
Experiments were performed to measure the mean velocity and turbulence characteristics in
open-channel flows with and without suspended sediment (alluvial sand of nearly uniform …
open-channel flows with and without suspended sediment (alluvial sand of nearly uniform …
Two‐phase versus mixed‐flow perspective on suspended sediment transport in turbulent channel flows
The present paper reports results obtained with image velocimetry to provide new insights
into the two‐phase nature of sediment‐laden flows. The resulting two‐phase flow …
into the two‐phase nature of sediment‐laden flows. The resulting two‐phase flow …
Velocity profile of turbulent sediment-laden flows in open-channels
D Zhong, L Zhang, B Wu, Y Wang - International Journal of Sediment …, 2015 - Elsevier
In this paper, a study was carried out on the velocity profile of sediment-laden flows in open
channels using a two-phase mixture model for two-phase flows. The governing equations for …
channels using a two-phase mixture model for two-phase flows. The governing equations for …
Influence of coherent flow structures on the dynamics of suspended sediment transport in open-channel flow
M Cellino, U Lemmin - Journal of Hydraulic Engineering, 2004 - ascelibrary.org
The influence of suspended sediments on coherent flow structures has been studied by
simultaneously measuring the longitudinal and vertical components of the instantaneous …
simultaneously measuring the longitudinal and vertical components of the instantaneous …
Effect of particle concentration on sediment and turbulent diffusion coefficients in open-channel turbulent flow
To achieve a complete knowledge about the effect of particle concentration on sediment and
turbulent diffusion coefficients in open-channel turbulent flow is a long-standing problem for …
turbulent diffusion coefficients in open-channel turbulent flow is a long-standing problem for …
Modeling suspended sediment transport under influence of turbulence ejection and sweep events
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 …
transport is regarded as an advection diffusion process. A series of theories based on …
Analysis of velocity lag in sediment-laden open channel flows
NS Cheng - Journal of hydraulic engineering, 2004 - ascelibrary.org
Laboratory experiments have recently confirmed that the streamwise particle velocity is
largely less than that of the fluid in sediment-laden flows. This velocity lag is investigated …
largely less than that of the fluid in sediment-laden flows. This velocity lag is investigated …
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