Experiments on particle—turbulence interactions in the near–wall region of an open channel flow: implications for sediment transport

Y Ninto, MH Garcia - Journal of Fluid Mechanics, 1996 - cambridge.org
A high-speed video system was used to study the interaction between sediment particles
and turbulence in the wall region of an open channel flow with both smooth and …

Direct numerical simulation of sediment entrainment in turbulent channel flow

C Ji, A Munjiza, E Avital, J Ma, JJR Williams - Physics of Fluids, 2013 - pubs.aip.org
In this paper, the entrainment and movement of coarse particles on the bed of an open
channel is numerically investigated. Rather than model the sediment transport using a …

Particle motions near the bottom in turbulent flow in an open channel. Part 2

BM Sumer, R Deigaard - Journal of Fluid Mechanics, 1981 - cambridge.org
This study continues the investigation of particle motions near the bottom in a turbulent open
channel flow, reported by Sumer & Oguz (1978; hereafter referred to as part 1). Paths of …

Particle–fluid interactions in a plane near-wall turbulent flow

M Righetti, GP Romano - Journal of Fluid Mechanics, 2004 - cambridge.org
The role of particles heavier than the fluid (glass spheres in water) in a turbulent open
channel flow over a smooth bed is examined at volume concentration about), as is the …

Suspension and turbulence modificationeffects of solid particulates on a horizontal turbulent channelflow

KT Kiger, C Pan - Journal of Turbulence, 2002 - iopscience.iop.org
Experimental measurements detailing the turbulence modification and suspension
mechanism of particulates within a horizontal solid/liquid channel flow are presented. The …

Particle behavior in the turbulent boundary layer. II. Velocity and distribution profiles

D Kaftori, G Hetsroni, S Banerjee - Physics of Fluids, 1995 - pubs.aip.org
The velocity, flux, and concentration distribution of solid particles in a turbulent boundary
layer of a horizontal water flume were investigated experimentally by means of LDA and …

The effect of particles on wall turbulence

D Kaftori, G Hetsroni, S Banerjee - International Journal of Multiphase Flow, 1998 - Elsevier
The effect of a dilute suspension, of near neutral-density particles, on the wall turbulence in
a horizontal channel was investigated by means of a laser Doppler anemomentry and flow …

Direct numerical simulation of particle behaviour in the wall region of turbulent flows in horizontal channels

S Pedinotti, G Mariotti, S Banerjee - International journal of multiphase flow, 1992 - Elsevier
The motion of small particles in the wall region of turbulent channel flows has been
investigated using direct numerical simulation. It is assumed that the particle concentration is …

Particle motions near the bottom in turbulent flow in an open channel

BM Sumer, B Oguz - Journal of Fluid Mechanics, 1978 - cambridge.org
A photographic technique has been used to make observations of the motion of heavy
suspended particles in an open channel with a smooth bottom. The observations showed …

Fully resolved numerical simulation of particle-laden turbulent flow in a horizontal channel at a low Reynolds number

X Shao, T Wu, Z Yu - Journal of Fluid Mechanics, 2012 - cambridge.org
A fictitious domain method is used to perform fully resolved numerical simulations of particle-
laden turbulent flow in a horizontal channel. The effects of large particles of diameter 0.05 …