Settling tracer spheroids in vertical turbulent channel flows

Abstract

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Fluid inertial torque is an effective gyrotactic mechanism for settling elongated micro-swimmers

“…Settling due to gravity is taken into account by adding a settling speed v settle . With negligible particle inertia, particle settling in a fluid flow satisfies the Stokesian flow assumption with Re p 1, and the settling speed is expressed as (34,35):…”