Cavity and jet formation after immiscible droplet impact into deep water pool

F Minami, K Hasegawa - Physics of Fluids, 2022 - pubs.aip.org
The impact behavior of a droplet in a liquid pool is of fundamental importance in nature and
industrial applications. While there are several reports on using the same fluid type for the …

Bio-inspired sustained entrainment in immiscible liquid–liquid systems for collecting floating oil

Z Cheng, T Shen, S Chen, C Yu, P Li, Q Tian… - Journal of Materials …, 2024 - pubs.rsc.org
Entrainment, where a solid object in a liquid bath moves towards the air phase, is common
in industry and daily-life. However, most research on liquid entrainment has only focused on …

Influence of the pre-impact shape of an oil droplet on the post-impact flow dynamics at air–water interface

J Chaudhuri, TK Mandal, D Bandyopadhyay - Soft Matter, 2022 - pubs.rsc.org
We computationally explore the effects of pre-impact shape of an oil droplet on the
spatiotemporal dynamics after the droplet impacts an air–water interface. Simulations reveal …

Kelvin–Helmholtz instability augmented by von Kármán vortex shedding during an oil droplet impact on a water pool

J Chaudhuri, TK Mandal, D Bandyopadhyay - Langmuir, 2023 - ACS Publications
The impact of an oil droplet on a water surface has been explored with the aid of
computational fluid dynamics simulations. The study reveals the details of the …

Droplet Printing Enabled by Cavity Collapse Ejection

X Wang, X Yang, Y Wang, B Li, J Chu - Langmuir, 2023 - ACS Publications
The behavior of cavity collapse in liquids is of fundamental importance in natural and
industrial applications. It is still challenging to use the phenomenon of cavity collapse …

Numerical Analysis of Microbubble Rising in an Oil–water Liquid Layer under Gravity Based on Three-phase Field Method

K Zhang, Y Wei, Z Xie, J Liu, J Lv - Microgravity Science and Technology, 2023 - Springer
In this paper, we conduct two-dimensional simulations based on three-phase field method to
analyze the bubble rising behaviors in an oil–water liquid layer. During the rising process, if …

Surface wettability-induced modulations of droplet breakup in a bifurcated microchannel

SP Pandey, S Sarkar, D Pal - Physics of Fluids, 2024 - pubs.aip.org
We explore the dynamics of droplet propagation and subsequent disintegration in a
symmetric bifurcating Y-microchannel by varying the wettability characteristics of one of the …

Numerical Analysis of Droplet Impacting on an Immiscible Liquid via Three-Phase Field Method

Q Hu, F Hu, D Xu, K Zhang - Micromachines, 2023 - mdpi.com
In this work, we establish a two-dimensional axisymmetric simulation model to numerically
study the impacting behaviors between oil droplets and an immiscible aqueous solution …