Yield stress fluid flows in superhydrophobic channels: From cree** to inertial regime

H Rahmani, H Kumar, J Greener, SM Taghavi - Physics of Fluids, 2023 - pubs.aip.org
In this work, inertial flows of a yield stress fluid in a channel equipped with a
superhydrophobic groovy wall are studied through numerical computations. Assuming an …

Viscous fingering of yield stress fluids: The effects of wettability

A Eslami, SM Taghavi - Journal of Non-Newtonian fluid mechanics, 2019 - Elsevier
We consider experimentally the viscous fingering problem wherein a silicone oil displaces a
Carbopol gel in a rectangular Hele-Shaw cell. Unlike traditional cases, the displacing fluid …

The effect of computational processing of temperature‐and concentration‐dependent parameters on non‐Newtonian fluid MHD: Applications of numerical methods

MG Ibrahim, HA Asfour - Heat Transfer, 2022 - Wiley Online Library
This investigation aims to introduce a new solution with aid of numerical methods to the
blood flow of Carreau–Yasuda fluid through a microvessel. Swimming of gyrotactic …

Viscous fingering regimes in elasto-visco-plastic fluids

A Eslami, SM Taghavi - Journal of Non-Newtonian Fluid Mechanics, 2017 - Elsevier
We experimentally study the Saffman–Taylor instability of air invasion into a non-Newtonian
fluid (ie, Carbopol solution) in a rectangular Hele-Shaw cell. In addition to viscous features …

Lattice Boltzmann modeling for multiphase viscoplastic fluid flow

C **e, J Zhang, V Bertola, M Wang - Journal of Non-Newtonian Fluid …, 2016 - Elsevier
We present a lattice Boltzmann model to simulate multiphase viscoplastic fluid flow. It is an
extended model based on the free-energy-based lattice Boltzmann method (LBM) for …

Electro‐capillary filling in a microchannel under the influence of magnetic and electric fields

SR Gorthi, PK Mondal, G Biswas… - The Canadian Journal of …, 2021 - Wiley Online Library
We numerically investigate the dynamics of two immiscible conductive fluids in a narrow
fluidic channel under the combined influence of electric and magnetic fields using a diffuse …

[HTML][HTML] RANS modeling of turbulent flow and heat transfer of non-Newtonian viscoplastic fluid in a pipe

MA Pakhomov, UK Zhapbasbayev - Case Studies in Thermal Engineering, 2021 - Elsevier
A mathematical model of the movement and heat transfer of a turbulent non-isothermal non-
Newtonian fluid through a pipe wall with a cold surrounding space has been developed and …

Viscoplastic flows in thin superhydrophobic channels

H Rahmani, SM Taghavi - Journal of Non-Newtonian Fluid Mechanics, 2023 - Elsevier
Via numerical computations, we study plane Poiseuille flow of a viscoplastic fluid in
channels with the presence of a superhydrophobic (SH) groovy lower wall, where air is …

Control and suppression of viscous fingering displacing non-Newtonian fluid with time-dependent injection strategies

P Singh, S Mondal - Physics of Fluids, 2022 - pubs.aip.org
We explore the stabilization mechanism of the fluid–fluid interface in the radial Hele–Shaw
cell, displacing a non-Newtonian fluid. It is possible to stabilize the interface following a non …

Pressure‐driven displacement flows of yield stress fluids: Viscosity ratio effects

A Eslami, R Mollaabbasi, A Roustaei… - … Canadian Journal of …, 2019 - Wiley Online Library
We numerically investigate pressure‐driven, density‐unstable displacement flows of two
miscible fluids along a near‐horizontal 2D channel. The displacing fluid is a Newtonian fluid …