Hydrodynamics of self-propulsion near a boundary: predictions and accuracy of far-field approximations
SE Spagnolie, E Lauga - Journal of Fluid Mechanics, 2012 - cambridge.org
The swimming trajectories of self-propelled organisms or synthetic devices in a viscous fluid
can be altered by hydrodynamic interactions with nearby boundaries. We explore a …
can be altered by hydrodynamic interactions with nearby boundaries. We explore a …
Hydrodynamics determines collective motion and phase behavior of active colloids in quasi-two-dimensional confinement
We study the collective motion of confined spherical microswimmers such as active colloids
which we model by so-called squirmers. To simulate hydrodynamic flow fields including …
which we model by so-called squirmers. To simulate hydrodynamic flow fields including …
Slippery rheotaxis: New regimes for guiding wall-bound microswimmers
The near-surface locomotion of microswimmers under the action of background flows has
been studied extensively, whereas the intervening effects of complex surface properties …
been studied extensively, whereas the intervening effects of complex surface properties …
Leidenfrost vapor layers reduce drag without the crisis in high viscosity liquids
The drag coefficient CD of a solid smooth sphere moving in a fluid is known to be only a
function of the Reynolds number Re and diminishes rapidly at the drag crisis around Re∼ …
function of the Reynolds number Re and diminishes rapidly at the drag crisis around Re∼ …
Near-wall hydrodynamic slip triggers swimming state transition of micro-organisms
A Poddar, A Bandopadhyay… - Journal of Fluid …, 2020 - cambridge.org
The interaction of motile micro-organisms with a nearby solid substrate is a well-studied
phenomenon. However, the effects of hydrodynamic slippage on the substrate have …
phenomenon. However, the effects of hydrodynamic slippage on the substrate have …
Effect of interfacial slip on the cross-stream migration of a drop in an unbounded Poiseuille flow
We analyze the motion and deformation of a buoyant drop suspended in an unbounded fluid
which is undergoing a quadratic shearing flow at small Reynolds number in the presence of …
which is undergoing a quadratic shearing flow at small Reynolds number in the presence of …
Non-spherical osmotic motor: chemical sailing
S Shklyaev, JF Brady… - Journal of fluid …, 2014 - cambridge.org
The behaviour of a non-spherical osmotic motor–an axisymmetric catalytic particle self-
propelling in a dilute dispersion of reactant particles–is considered. In contrast to a …
propelling in a dilute dispersion of reactant particles–is considered. In contrast to a …
Motion of a hot particle in viscous fluids
N Oppenheimer, S Navardi, HA Stone - Physical Review Fluids, 2016 - APS
We study the motion of a hot particle in a viscous liquid at low Reynolds numbers, which is
inspired by recent experiments with Brownian particles heated by a laser. The difference in …
inspired by recent experiments with Brownian particles heated by a laser. The difference in …
Self-Aligning Polar Active Matter
Self-alignment describes the property of a polar active unit to align or anti-align its
orientation towards its velocity. In contrast to mutual alignment, where the headings of …
orientation towards its velocity. In contrast to mutual alignment, where the headings of …
Creeping flow dynamics over superhydrophobic ball: Slip effects and drag reduction
CD Modak, SK Bhaumik - Colloids and Surfaces A: Physicochemical and …, 2017 - Elsevier
Slip and drag over superhydrophobic ball in the creeping flow regime (Reynolds number<
0.1) are investigated due to its relevance in physiological systems. Experiments involve …
0.1) are investigated due to its relevance in physiological systems. Experiments involve …