Preprint Article Version 1 This version is not peer-reviewed

Two-Way Coupling FSI Approach to Inertial Focusing Dynamics Under Dean Flow Patterns in Asymmetric Serpentines

Version 1 : Received: 5 August 2018 / Approved: 6 August 2018 / Online: 6 August 2018 (10:34:36 CEST)
Version 2 : Received: 23 August 2018 / Approved: 30 August 2018 / Online: 30 August 2018 (11:59:05 CEST)

A peer-reviewed article of this Preprint also exists.

Pedrol, E.; Massons, J.; Díaz, F.; Aguiló, M. Two-Way Coupling Fluid-Structure Interaction (FSI) Approach to Inertial Focusing Dynamics under Dean Flow Patterns in Asymmetric Serpentines. Fluids 2018, 3, 62. Pedrol, E.; Massons, J.; Díaz, F.; Aguiló, M. Two-Way Coupling Fluid-Structure Interaction (FSI) Approach to Inertial Focusing Dynamics under Dean Flow Patterns in Asymmetric Serpentines. Fluids 2018, 3, 62.

Journal reference: Fluids 2018, 3, 62
DOI: 10.3390/fluids3030062

Abstract

The dynamics of a spherical particle in an asymmetric serpentine is studied by finite element method (FEM) simulations in a physically unconstrained system. The two-way coupled time dependent solutions illustrate the path of the particle along a curve where a secondary flow (Dean flow) has developed. The simulated conditions were adjusted to match those of an experiment for which particles were focused under inertial focusing conditions. The obtained rotational modes allowed to infer the influence of the local flow around the particle. We propose a new approach to find the decoupled secondary flow contribution employing a quasi-Stokes flow.

Subject Areas

inertial focusing; dean flow; serpentine; fsi; two-way coupling

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