Entropic lattice Boltzmann model for charged leaky dielectric multiphase fluids in electrified jets

Marco Lauricella, Simone Melchionna, Andrea Montessori, Dario Pisignano, Giuseppe Pontrelli, and Sauro Succi
Phys. Rev. E 97, 033308 – Published 14 March 2018

Abstract

We present a lattice Boltzmann model for charged leaky dielectric multiphase fluids in the context of electrified jet simulations, which are of interest for a number of production technologies including electrospinning. The role of nonlinear rheology on the dynamics of electrified jets is considered by exploiting the Carreau model for pseudoplastic fluids. We report exploratory simulations of charged droplets at rest and under a constant electric field, and we provide results for charged jet formation under electrospinning conditions.

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  • Received 19 December 2017

DOI:https://doi.org/10.1103/PhysRevE.97.033308

©2018 American Physical Society

Physics Subject Headings (PhySH)

Fluid Dynamics

Authors & Affiliations

Marco Lauricella1,*, Simone Melchionna2, Andrea Montessori1,3, Dario Pisignano4,5, Giuseppe Pontrelli1, and Sauro Succi1,6

  • 1Istituto per le Applicazioni del Calcolo, Consiglio Nazionale delle Ricerche, Via dei Taurini 19, 00185 Rome, Italy
  • 2Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, Dipartimento di Fisica, Università di Roma Sapienza, Piazzale Aldo Moro 2, 00185 Rome, Italy
  • 3Department of Engineering, University of Rome “Roma Tre,” Via della Vasca Navale 79, 00141 Rome, Italy
  • 4Dipartimento di Fisica, Università di Pisa, Largo Bruno Pontecorvo 3, 56127 Pisa, Italy
  • 5NEST, Istituto Nanoscienze–Consiglio Nazionale delle Ricerche, Piazza San Silvestro 12, 56127 Pisa, Italy
  • 6Harvard Institute for Applied Computational Science, Cambridge, Massachusetts 02138, USA

  • *Corresponding author: m.lauricella@iac.cnr.it

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Issue

Vol. 97, Iss. 3 — March 2018

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