2008
DOI: 10.1016/j.cej.2007.03.026
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Influence of turbulence intensity on particle drag coefficients

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Cited by 47 publications
(21 citation statements)
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References 11 publications
(33 reference statements)
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“…In such devices, the oscillating grids create a system of jets and wakes merging with each other to produce zero mean flow turbulence. The apparatus used in the present study was the same setup utilized by Doroodchi et al (2008) to investigate the effect of turbulence intensity on particle settling velocity. The turbulence intensity in the system was varied by changing the oscillation frequency, f g, stroke amplitude, SA, and mean separation distance, SD, between the two grids.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…In such devices, the oscillating grids create a system of jets and wakes merging with each other to produce zero mean flow turbulence. The apparatus used in the present study was the same setup utilized by Doroodchi et al (2008) to investigate the effect of turbulence intensity on particle settling velocity. The turbulence intensity in the system was varied by changing the oscillation frequency, f g, stroke amplitude, SA, and mean separation distance, SD, between the two grids.…”
Section: Methodsmentioning
confidence: 99%
“…Both particle tracking and particle image velocimetry were used to quantify average particle settling velocity, root mean square (RMS) velocity fluctuations of both fluid and particles and also fluid velocity maps were produced. A different configuration of the oscillating grid (horizontal orientation) was studied by Doroodchi et al (2008) to investigate the effect of turbulence intensity on the settling velocity of solid particles of different size and density. However none of these works specifically focused on determination of specific energy dissipation rate in a system which governs the transport processes hence control the process performance.…”
Section: Previous Workmentioning
confidence: 99%
“…They noted that this correlation was based on very scant data and simple physical arguments. Doroodchi et al (2008) constructed an apparatus comprising oscillating grids to generate well-defined turbulence and investigated the settling of particles in this flowfield. Their data did not show a simple dependence on the Stokes number alone but also a dependence on the Richardson number.…”
Section: Effect Of Agitation On the Drag Coefficientmentioning
confidence: 99%
“…The oscillating grid apparatus described by Doroodchi et al [24] was used to produce a stationary, near isotropic turbulent flow field. The oscillating grid apparatus described by Doroodchi et al [24] was used to produce a stationary, near isotropic turbulent flow field.…”
Section: Measurement Of Detached Bubble Size In Turbulent Flow Fieldmentioning
confidence: 99%