The flow structures of a transversely rotating sphere at high rotation rates

J Dobson, A Ooi, EKW Poon - Computers & Fluids, 2014 - Elsevier
This paper studies the flow structures surrounding a transversely rotating sphere for the
previously unreported conditions of flow Reynolds numbers of Re= 100–300 and a rotation …

The steady flow due to a rotating sphere at low and moderate Reynolds numbers

SCR Dennis, SN Singh, DB Ingham - Journal of Fluid Mechanics, 1980 - cambridge.org
The problem of determining the steady axially symmetrical motion induced by a sphere
rotating with constant angular velocity about a diameter in an incompressible viscous fluid …

Wake instability behind a streamwise and transversely rotating sphere

AK De, S Sarkar - Physical Review Fluids, 2023 - APS
We have performed direct numerical simulations for the flow past a streamwise and
transversely rotating sphere at a Reynolds number Re= 500. To investigate the effect of low …

Laminar flow past a sphere rotating in the transverse direction

D Kim - Journal of mechanical science and technology, 2009 - Springer
Laminar flow past a sphere rotating in the transverse direction is numerically investigated in
order to understand the effect of the rotation on the characteristics of flow over the sphere …

Laminar flow past a sphere rotating in the streamwise direction

D Kim, H Choi - Journal of Fluid Mechanics, 2002 - cambridge.org
Numerical simulations are conducted for laminar flow past a sphere rotating in the
streamwise direction, in order to investigate the effect of the rotation on the characteristics of …

Wake structure of a transversely rotating sphere at moderate Reynolds numbers

M Giacobello, A Ooi, S Balachandar - Journal of fluid mechanics, 2009 - cambridge.org
The uniform flow past a sphere undergoing steady rotation about an axis transverse to the
free stream flow was investigated numerically. The objective was to reveal the effect of …

Wall effect on the wake characteristics of a transversely rotating sphere

A Kumar, SP Das, S Tiwari - Physics of Fluids, 2024 - pubs.aip.org
In the present work, the flow over a transversely rotating sphere placed at varying separation
from a plane wall at a Reynolds number Re= U∞ D ν of 300 is numerically investigated …

Vortex-speed selection within the boundary-layer flow over a rotating sphere placed in an enforced axial flow

SJ Garrett - European Journal of Mechanics-B/Fluids, 2010 - Elsevier
This paper furthers existing work into the instability mechanisms within the boundary-layer
flow over a rotating sphere through the study of amplification rates within the convectively …

Hydrodynamic forces on a rotating sphere

EKW Poon, ASH Ooi, M Giacobello… - International journal of …, 2013 - Elsevier
The wake dynamics of a rotating sphere with prescribed rotation axis angles are
quantitatively analysed by carrying out numerical simulations at Reynolds numbers of Re …

Taylor vortex flow between eccentric coaxial rotating spheres

P Bar‐Yoseph, A Solan, R Hillen… - Physics of Fluids A: Fluid …, 1990 - pubs.aip.org
The rotationally symmetric, incompressible, spherical Couette flow between two spheres is
examined, where the inner one rotates and the outer one is at rest. The investigation was …