Light‐Responsive Materials in Droplet Manipulation for Biochemical Applications

G Cheng, CY Kuan, KW Lou, YP Ho - Advanced Materials, 2024 - Wiley Online Library
Miniaturized droplets, characterized by well‐controlled microenvironments and capability for
parallel processing, have significantly advanced the studies on enzymatic evolution …

Tuning of regimes during two-phase flow through a cross-junction

MP Boruah, A Sarker, PR Randive, S Pati, KC Sahu - Physics of Fluids, 2021 - pubs.aip.org
We investigate the dynamics of two immiscible fluids in a cross-junction via three-
dimensional numerical simulations using the volume of fluid approach to track the dispersed …

Potential of a new water-soluble agent for enhancing heavy oil recovery: A pore-scale investigation

M Zhai, Q Du, G Wu, J Sun, Y Sha, J Hou - Journal of Petroleum Science …, 2022 - Elsevier
The two-phase viscosity modifier (T-PVM) is a new chemical agent for enhancing sweep and
displacement efficiency in heavy oil reservoirs due to multiple-effects of reducing oil viscosity …

Electrically modulated cross-stream migration of a compound drop in micro-confined oscillatory flow

T Kahali, S Santra, S Chakraborty - Physics of Fluids, 2022 - pubs.aip.org
In this work, we present a means of controlling the cross-stream trajectory of a compound
drop under the combined action of a transverse electric field and an oscillatory axial …

Flexible on-chip droplet generation, switching and splitting via controllable hydrodynamics

K Zhang, F Xing, J Liu, Z Xie - Analytica Chimica Acta, 2022 - Elsevier
Flexible droplet preparation and manipulation are significant for lots applications such as
immunoreaction and monocellular culture. Herein, we present a novel method for effective …

Turbulent bubbly channel flows: Effects of soluble surfactant and viscoelasticity

Z Ahmed, D Izbassarov, P Costa, M Muradoglu… - Computers & …, 2020 - Elsevier
Interface-resolved direct numerical simulations are performed to examine the combined
effects of soluble surfactant and viscoelasticity on the structure of a bubbly turbulent channel …

Steady axial electric field may lead to controllable cross-stream migration of droplets in confined oscillatory microflows

S Santra, S Chakraborty - Journal of Fluid Mechanics, 2021 - cambridge.org
Cross-stream migration of a droplet in an incipient flow turns out to be of outstanding
importance in several emerging applications encompassing chemistry, engineering and …

Cross-stream migration of droplets in a confined shear-thinning viscoelastic flow: Role of shear-thinning induced lift

S Hazra, SK Mitra, AK Sen - Physics of Fluids, 2020 - pubs.aip.org
Shear-thinning viscoelastic (STVE) flows exhibit intriguing phenomena owing to their
complex rheology and the coupling of various forces involved. Here, we present an …

Coflowing aqueous and oil-based ferrofluid streams exposed to a magnetic field

SK Jain, AK Sen - Soft Matter, 2024 - pubs.rsc.org
We report the transition between stream and droplet regimes in a coflow of an aqueous
stream and oil-based ferrofluid. The transition between stream and droplet regimes is …

Interaction between droplets and co-flow interface in a microchannel: Droplet migration and interfacial deformation

S Hazra, L Malik, SK Mitra, AK Sen - Physical Review Fluids, 2022 - APS
We report hydrodynamic interaction between droplets and the interface of a pair of co-
flowing immiscible streams in a microchannel revealing droplet migration and interfacial …