Patterning wettability for open-surface fluidic manipulation: fundamentals and applications

P Sinha Mahapatra, R Ganguly, A Ghosh… - Chemical …, 2022 - ACS Publications
Effective manipulation of liquids on open surfaces without external energy input is
indispensable for the advancement of point-of-care diagnostic devices. Open-surface …

Fundamentals and Applications of Surface Wetting

T Josyula, L Kumar Malla, TM Thomas, SS Kalichetty… - Langmuir, 2024 - ACS Publications
In an era defined by an insatiable thirst for sustainable energy solutions, responsible water
management, and cutting-edge lab-on-a-chip diagnostics, surface wettability plays a pivotal …

Inhibition of condensation-induced droplet wetting by nano-hierarchical surfaces

J Song, Y Hou, P Sudersan, CWE Lam… - Chemical Engineering …, 2023 - Elsevier
Superhydrophobic nanostructured surfaces can enhance water condensation efficiency by
facilitating droplet departure via coalescence-induced jumping. However, condensed …

Wicking assisted condenser platform with patterned wettability for space application

TM Thomas, PS Mahapatra - Scientific Reports, 2023 - nature.com
Vapor condensation is extensively used in applications that demand the exchange of a
substantial amount of heat energy or the vapor-liquid phase conversion. In conventional …

Hierarchically branched siloxane brushes for efficient harvesting of atmospheric water

J Song, J Liu, M Li, S Li, M Kappl, HJ Butt, Y Hou… - Small, 2023 - Wiley Online Library
Atmospheric water harvesting is considered a viable source of freshwater to alleviate water
scarcity in an arid climate. Water condensation tends to be more efficient on …

Autonomous transport and splitting of a droplet on an open surface

IU Chowdhury, PS Mahapatra, AK Sen, A Pattamatta… - Physical Review …, 2021 - APS
Pumpless transport of droplets on open surfaces has gained significant attention because of
its applications starting from vapor condensation to Lab-on-a-Chip systems. Mixing two …

Prediction of contact time of a droplet impact on a hybrid-wettability surface

M Zhang, J Li, Y Jiang, N Wang, H Liu - International Communications in …, 2024 - Elsevier
In this work, we, focusing on the droplet impact on a hybrid-wettability surface consisting of a
hydrophilic region and a superhydrophobic region, extend the inertia-capillary law to predict …

Splitting of a droplet on a wettability-confined track driven by thermal marangoni effect

JY Zhou, C Li, X Ye - Physics of Fluids, 2024 - pubs.aip.org
We investigate the dynamics of droplet splitting driven by the thermal Marangoni effect on a
wettability-confined track based on the lubrication approximation. The results demonstrate …

A wettability pattern-mediated trapped bubble removal from a horizontal liquid–liquid interface

IU Chowdhury, PS Mahapatra, AK Sen - Physics of Fluids, 2022 - pubs.aip.org
The passage of a bubble through an immiscible horizontal liquid–liquid interface has a wide
range of applications, from chemical processes to microfluidic devices. Buoyancy governs …

A plate-type condenser platform with engineered wettability for space applications

TM Thomas, PS Mahapatra - arXiv preprint arXiv:2305.19070, 2023 - arxiv.org
Vapor condensation is extensively used in applications that demand the exchange of a
substantial amount of heat energy or the vapor-liquid phase conversion. In conventional …