2024
DOI: 10.1017/jfm.2024.30
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Rising and settling 2-D cylinders with centre-of-mass offset

Martin P.A. Assen,
Jelle B. Will,
Chong Shen Ng
et al.

Abstract: Rotational effects are commonly neglected when considering the dynamics of freely rising or settling isotropic particles. Here, we demonstrate that particle rotations play an important role for rising as well as for settling cylinders in situations when mass eccentricity, and thereby a new pendulum time scale, is introduced to the system. We employ two-dimensional simulations to study the motion of a single cylinder in a quiescent unbounded incompressible Newtonian fluid. This allows us to vary the Galileo num… Show more

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