Orientational Dynamics of Ellipsoidal Particles in Wall Turbulence
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Beschreibung
This thesis focuses on the orientational and rotational dynamics of ellipsoidal particles in complex flows. By using theoretical analysis and direct numerical simulations, the angular dynamics of ellipsoids in a linear shear flow and turbulent channel flow are further investigated, which advances the understanding of the interaction between fluid and particles in turbulence.
This thesis focuses on the orientational and rotational dynamics of ellipsoidal particles in complex flows. By using theoretical analysis and direct numerical simulations, the angular dynamics of ellipsoids in a linear shear flow and turbulent channel flow are further investigated, which advances the understanding of the interaction between fluid and particles in turbulence.
Proposes a timescale for the alignment of inertialess spheroidal particles in turbulence Reveals the mechanism of the alignment of spheroids with the fluid Lagrangian stretching and compression Reports on the importance of fluid inertial torque of spheroidal particles in shear flow and turbulent channel flow
Autor*in
Zhiwen Cui
Themen in »Orientational Dynamics of Ellipsoidal Particles in Wall Turbulence«
non-spherical particle-laden flows ellipsoidal particles linear shear flow turbulent channel flow coherent structure direct numerical simulation