Dynamics of droplet coalescence in response to increasing hydrophobicity

PJ Graham, MM Farhangi, A Dolatabadi - Physics of Fluids, 2012 - pubs.aip.org
Coalescence of a falling droplet with a sessile droplet on solid surface with various
wettabilities is investigated by a combined experimental and numerical study. In the …

A new strategy for eliminating bottom hole defects during aluminum droplet printing within a broad temperature range

L Su, L Qi, H Lian, J Luo, Y Zhou, Y Dou… - Journal of Materials …, 2023 - Elsevier
Fabrication of hole-free aluminum structures through metal droplet-based 3D printing is an
important channel for high-performance aluminum parts in aerospace applications …

Drop-on-demand printing of recyclable circuits by partially embedding molten metal droplets in plastic substrates

Y Dou, J Luo, L Qi, H Lian, J Huang - Journal of Materials Processing …, 2021 - Elsevier
Recyclable electronics are important in green manufacturing and sustainable development,
but in infancy, printing strategies still need more exploration and improvement. Metal drop …

Lattice Boltzmann study on the dynamics of successive droplets impact on a solid surface

KA Raman, RK Jaiman, TS Lee, HT Low - Chemical Engineering Science, 2016 - Elsevier
Three dimensional computations on successive droplet im**ement on a solid surface are
reported. A high-density ratio based lattice Boltzmann model is employed for the present two …

Mixing and internal dynamics of droplets impacting and coalescing on a solid surface

JR Castrejón-Pita, KJ Kubiak, AA Castrejón-Pita… - Physical Review E …, 2013 - APS
The coalescence and mixing of a sessile and an impacting liquid droplet on a solid surface
are studied experimentally and numerically in terms of lateral separation and droplet speed …

Expansion and retraction dynamics in drop-on-drop impacts on nonwetting surfaces

M Damak, K Varanasi - Physical Review Fluids, 2018 - APS
Impacts of liquid droplets on other stationary droplets on a surface are ubiquitous in
numerous applications such as agricultural sprays, inkjet printing, and rain impact on …

Generation mechanism and suppression method of landing error of two successively deposited metal droplets caused by coalescence and solidification

Y Dou, J Luo, L Qi, H Lian, X Hou - International Journal of Heat and Mass …, 2021 - Elsevier
Accurate deposition of metal droplets is crucial to limit geometrical defects in metal droplet-
based 3D printing. However, unpredictable movements of the droplets displaced from the …

Induced detachment of coalescing droplets on superhydrophobic surfaces

MM Farhangi, PJ Graham, NR Choudhury… - Langmuir, 2012 - ACS Publications
Coalescence of a falling droplet with a stationary sessile droplet on a superhydrophobic
surface is investigated by a combined experimental and numerical study. In the experiments …

Formation of uniform metal traces using alternate droplet printing

J Luo, W Wang, W **ong, H Shen, L Qi - International Journal of Machine …, 2017 - Elsevier
Formation of uniform traces is fundamental, but challenging, in droplet-based 3D printing.
Due to the scalloped surface topography of metal droplets and complex thermal deformation …

Coalescence of two droplets impacting a solid surface

R Li, N Ashgriz, S Chandra, JR Andrews… - Experiments in Fluids, 2010 - Springer
Coalescence of a falling droplet with a stationary sessile droplet is studied experimentally.
High-speed video images are presented to show coalescence dynamics, shape evolution …