Sparse nonlinear models of chaotic electroconvection

Y Guan, SL Brunton… - Royal Society Open …, 2021 - royalsocietypublishing.org
Convection is a fundamental fluid transport phenomenon, where the large-scale motion of a
fluid is driven, for example, by a thermal gradient or an electric potential. Modelling …

Mixing and transport enhancement in microchannels by electrokinetic flows with charged surface heterogeneity

Y Guan, T Yang, J Wu - Physics of Fluids, 2021 - pubs.aip.org
Electrokinetic flow in a microchannel driven by charged surface heterogeneity in the
presence of an external electric field is investigated by three-dimensional simulations. A …

Two relaxation time lattice Boltzmann method coupled to fast Fourier transform Poisson solver: Application to electroconvective flow

Y Guan, I Novosselov - Journal of computational physics, 2019 - Elsevier
Electroconvective flow between two infinitely long parallel electrodes is investigated via a
multiphysics computational model. The model solves for spatiotemporal flow properties …

Mesoscopic simulation of electrohydrodynamic effects on laminar natural convection of a dielectric liquid in a cubic cavity

K Luo, TF Li, J Wu, HL Yi, HP Tan - Physics of fluids, 2018 - pubs.aip.org
Electro-thermo-hydrodynamic (ETHD) flows induced by simultaneous Coulomb and
buoyancy forces in a dielectric medium are studied. Previous results limited to two …

Nonlinear behavior of electrohydrodynamic flow in viscoelastic fluids

ZG Su, TF Li, K Luo, HL Yi - Physical Review Fluids, 2021 - APS
This paper presents a numerical study of electrohydrodynamic flow for the problem of
electroconvection in a viscoelastic dielectric liquid subjected to unipolar injection. The …

Formation of dissipative structures in a three-dimensional electro-thermo-convective flow

K Luo, XL Gao, XR He, HL Yi, J Wu - Physical Review Fluids, 2022 - APS
Direct numerical simulations and linear stability analysis are performed to study the three-
dimensional electro-thermo-convective (ETC) flow between two parallel plates under a …

Numerical analysis of electroconvection in cross-flow with unipolar charge injection

Y Guan, I Novosselov - Physical Review Fluids, 2019 - APS
Electroconvection driven by unipolar charge injection in the presence of cross-flow between
two parallel electrodes is investigated in a numerical study. The two-relaxation-time lattice …

Monotonic instability and overstability in two-dimensional electrothermohydrodynamic flow

Y Guan, X He, Q Wang, Z Song, M Zhang, J Wu - Physical Review Fluids, 2021 - APS
Electrothermohydrodynamic convection driven by strong unipolar charge injection in the
presence of a stabilizing inverse thermal gradient between two parallel electrodes is …

Instability of electroconvection in viscoelastic fluids subjected to unipolar injection

ZG Su, YM Zhang, K Luo, HL Yi - Physics of Fluids, 2020 - pubs.aip.org
In this paper, a two-dimensional numerical study on the nonlinear behaviors of
electrohydrodynamic flows of Oldroyd-B viscoelastic dielectric liquid subjected to unipolar …

Lattice Boltzmann analysis of conjugate heat transfer in the presence of electrohydrodynamic flow

XL Gao, J Wu, K Luo, HL Yi, HP Tan - International Communications in Heat …, 2022 - Elsevier
The externally imposed direct current (DC) electric field mightily impacts on the conjugate
heat transfer existing somewhere between the solid and liquid phases, which is numerically …