Effects of particle size and background rotation on the settling of particle clouds
Quentin Kriaa,
Eliot Subra,
Benjamin Favier
et al.
Abstract:We experimentally investigate the behaviour of instantaneous localised releases of heavy particles falling as turbulent clouds in quiescent water, both with and without background rotation. We present the results of 514 systematic experiments for no rotation and for three rotation rates Ω = 5, 10, 20rpm, and for the size of particles in the range 5µm to 1mm, exploring four decades of the Rouse number R ∈ [6 × 10 −4 , 4] which quantifies the inertia of particles. In the canonical framework of turbulent thermals… Show more
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