Large-eddy simulation of turbulent preferential concentration and collision of bidisperse heavy particles in isotropic turbulence
Sign Up to like & getrecommendations! Published in 2017 at "Powder Technology"
DOI: 10.1016/j.powtec.2016.12.069
Abstract: Abstract Particle-laden turbulent flows are ubiquitous in natural and engineering flows. The preferential concentration and pair-statistics of heavy particles at small and intermediate Stokes numbers are mainly related to the small-scale motions, which are missing… read more here.
Keywords: large eddy; preferential concentration; collision; heavy particles ... See more keywords
Settling velocity of fine heavy particles in turbulent open channel flow
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DOI: 10.1063/1.5046333
Abstract: The settling velocity of heavy particles with sub-millimetre diameters falling in a turbulent open channel flow is investigated using a two-camera imaging technique of simultaneous particle image velocimetry and particle tracking velocimetry. Flow images of… read more here.
Keywords: settling velocity; velocity; turbulence; heavy particles ... See more keywords
Preferential Concentration of Free-Falling Heavy Particles in Turbulence.
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DOI: 10.1103/physrevlett.125.064504
Abstract: We present a sweep-stick mechanism for heavy particles transported by a turbulent flow under the action of gravity. Direct numerical simulations show that these particles preferentially explore regions of the flow with close to zero… read more here.
Keywords: concentration free; preferential concentration; heavy particles; particles turbulence ... See more keywords