Frontiers of chaotic advection

H Aref, JR Blake, M Budišić, SSS Cardoso… - Reviews of Modern …, 2017 - APS
This work reviews the present position of and surveys future perspectives in the physics of
chaotic advection: the field that emerged three decades ago at the intersection of fluid …

Lagrangian transport and chaotic advection in three-dimensional laminar flows

M Speetjens, G Metcalfe… - Applied …, 2021 - asmedigitalcollection.asme.org
Transport and mixing of scalar quantities in fluid flows is ubiquitous in industry and Nature.
While the more familiar turbulent flows promote efficient transport and mixing by their …

Formation of coherent structures by fluid inertia in three-dimensional laminar flows

Z Pouransari, MFM Speetjens… - Journal of fluid …, 2010 - cambridge.org
Mixing under laminar flow conditions is key to a wide variety of industrial fluid systems of
size extending from micrometres to metres. Profound insight into three-dimensional laminar …

A study in three-dimensional chaotic dynamics: Granular flow and transport in a bi-axial spherical tumbler

IC Christov, RM Lueptow, JM Ottino, R Sturman - SIAM Journal on Applied …, 2014 - SIAM
We study three-dimensional (3D) chaotic dynamics through an analysis of transport in a
granular flow in a half-full spherical tumbler rotated sequentially about two orthogonal axes …

Three-dimensional Lagrangian transport phenomena in unsteady laminar flows driven by a rotating sphere

NR Moharana, MFM Speetjens, RR Trieling… - Physics of …, 2013 - pubs.aip.org
Magnetic actuation of microscopic beads is a promising technique for enhancement and
manipulation of scalar transport in micro-fluidic systems. This implies laminar and essentially …

Topological equivalence between two classes of three-dimensional steady cavity flows: A numerical-experimental analysis

PS Contreras, I Ataei-Dadavi, MFM Speetjens… - Physics of …, 2019 - pubs.aip.org
The present study concerns Lagrangian transport and (chaotic) advection in three-
dimensional (3D) flows in cavities under steady and laminar conditions. The main goal is to …

Observability of periodic lines in three-dimensional lid-driven cylindrical cavity flows

J Znaien, MFM Speetjens, RR Trieling… - Physical Review E …, 2012 - APS
This study employs three-dimensional particle-tracking velocimetry (3D-PTV) for
experimental investigation of the existence and properties of periodic lines in 3D lid-driven …

Visualisation of heat transfer in 3D unsteady flows

MFM Speetjens, AA Van Steenhoven - International Journal of Thermal …, 2010 - Elsevier
Heat transfer in fluid flows traditionally is examined in terms of temperature field and heat-
transfer coefficients at non-adiabatic walls. However, heat transfer may alternatively be …

Multi-functional Lagrangian flow structures in three-dimensional ac electro-osmotic micro-flows

MFM Speetjens, HNL De Wispelaere… - Fluid Dynamics …, 2011 - iopscience.iop.org
Flow forcing by ac electro-osmosis (ACEO) is a promising technique for the actuation and
manipulation of micro-flows. Utilization to date mainly concerns pumping and mixing …

Lagrangian transport in a class of three-dimensional buoyancy-driven flows

PS Contreras, MFM Speetjens… - Journal of Fluid …, 2017 - cambridge.org
The present study concerns the Lagrangian dynamics of three-dimensional (3D) buoyancy-
driven cavity flows under steady and laminar conditions due to a global temperature …