… Unsteady flow due to an oscillating sphere with a velocity U, cos wt', in which U,, and w are
the amplitude and frequency of the oscillation … for high-frequency oscillation. The flow fields of …

… The unsteady drag due to the small-amplitude oscillation in the stream velocity is examined
and … Flow due to an oscillating sphere and an expression for unsteady drag on the sphere at …

… The dependence of the flow around the sphere and hence the drag on the frequency of
oscillation of the flow field had been anticipated in theoretical papers by Lighthill (1 954) and …

… part of the unsteady drag of an oscillating sphere in a steady stream, can be obtained as -is2.
This means that the force due to the added mass for an oscillating sphere at Jinite Re in …

… unsteady Stokes flow Basset demonstrated the effects of added-mass and viscous drag forces,
both the usual Stokes drag … Our investigation of oscillating flow past a sphere has yielded …

… The unsteady hydrodynamic drag exerted on an oscillating sphere near a planar wall is …
of the power spectrum density of the probe oscillation for a broad range of gap distances and …

… It is beyond this work to clarify the relation of various factors and unsteady drag, because …
unsteady drag at high Re, unsteady flow conditions were produced by oscillation of a sphere …

… unsteady fluid flow around an oscillating sphere. This paper attempt to study the investigation
on unsteady fluid flow around an oscillating sphere … of Drag on boundary of the sphere. For …

… Stokes[1] derived the drag of a sphere with linear small-amplitude oscillating by
theoretical analysis in creeping flow which means the convective term was ignored, the …

… tests on macroscopic spheres have been made … drag force on an oscillating sphere with
small values of the Reynolds number, down to \({\text {Re}}\approx 0.03\) for the smallest sphere …