Advances in microscale droplet generation and manipulation

R Lathia, KN Nampoothiri, N Sagar, S Bansal… - Langmuir, 2023‏ - ACS Publications
Microscale droplet generation and manipulation have widespread applications in numerous
fields, from biochemical assays to printing and additive manufacturing. There are several …

Wettability-independent bouncing on flat surfaces mediated by thin air films

J De Ruiter, R Lagraauw, D Van Den Ende, F Mugele - Nature physics, 2015‏ - nature.com
The im**ement of drops onto solid surfaces, plays a crucial role in a variety of processes,
including inkjet printing, fog harvesting, anti-icing, dropwise condensation and spray …

[HTML][HTML] Enhancing pulsed electrohydrodynamic printing frequency via high-order-mode ejection

H Li, W Yang, Y Duan, Q Nie, Z Shao, Z Yin… - Physics of …, 2021‏ - pubs.aip.org
We investigate multi-mode oscillation and ejection behavior in pulsed electrohydrodynamic
(EHD) printing in this paper. The results show that multi-mode oscillation is determined by …

Self-organized oscillations of Leidenfrost drops

X Ma, JC Burton - Journal of Fluid Mechanics, 2018‏ - cambridge.org
In the Leidenfrost effect, a thin layer of evaporated vapour forms between a liquid and a hot
solid. The complex interactions between the solid, liquid and vapour phases can lead to rich …

Mixing enhancement by degenerate modes in electrically actuated sessile droplets

S Bansal, P Sen - Sensors and Actuators B: Chemical, 2016‏ - Elsevier
The dependence of oscillation dynamics of a sessile droplet on the actuation parameters
(voltage and frequency) in AC electrowetting which leads to the manifestation of non …

Axisymmetric and nonaxisymmetric oscillations of sessile compound droplets in an open digital microfluidic platform

S Bansal, P Sen - Langmuir, 2017‏ - ACS Publications
Manipulating droplets of biological fluids in an electrowetting on dielectric (EWOD)-based
digital microfluidic platform is a significant challenge because of biofouling and surface …

The forced oscillations of an oblate drop sandwiched between different inhomogeneous surfaces under ac vibrational force

MA Kashina, AA Alabuzhev - Microgravity Science and Technology, 2021‏ - Springer
The dynamics of an incompressible fluid drop under the action of non-uniform electric field
are considered. The drop is bounded axially by two parallel solid planes, which in the …

Effect of electrowetting induced capillary oscillations on coalescence of compound droplets

S Bansal, P Sen - Journal of Colloid and Interface Science, 2018‏ - Elsevier
Hypothesis Coalescence time depends on the drainage rate of the fluid-bridge separating
the droplets. Drainage rate is determined by external forcing and properties of the …

The dynamics of oblate drop between heterogeneous plates under alternating electric field: Non-uniform field

MA Kashina, AA Alabuzhev - Microgravity Science and Technology, 2018‏ - Springer
The dynamics of the incompressible fluid drop under the non-uniform electric field are
considered. The drop is bounded axially by two parallel solid planes and the case of …

Spontaneous spinning of a dichloromethane drop on an aqueous surfactant solution

D Boniface, J Sebilleau, J Magnaudet… - Journal of Colloid and …, 2022‏ - Elsevier
We report a series of experiments carried out with a dichloromethane drop deposited on the
surface of an aqueous solution containing a surfactant, cetyltrimethylammonium bromide …