Drop bouncing by micro-grooves

V Fink, X Cai, A Stroh, R Bernard, J Kriegseis… - International Journal of …, 2018 - Elsevier
… While on the flat surface the impact proceeds in deposition mode, the drop bounces from
the substrate structured by micro-grooves before impacting a second time with subsequent …

Bouncing droplets on micro-grooved non-wetting surfaces

SZ Wang, X Huang, L Chen, YS Yu - Physics of Fluids, 2023 - pubs.aip.org
… To predict the upper limit of impact velocity for bouncing droplets, a high-speed … the
micro-grooves. In addition, there was a shorter contact time of bouncing droplets with the decrease in …

A numerical study on pressure drop in microchannel flow with different bionic micro-grooved surfaces

J Cui, Y Fu - Journal of Bionic Engineering, 2012 - Springer
bounce-back rule, the collision and forcing still occur at boundary nodes in the modified
bounce… In the case of Re = 100, 150 and 200, all of the micro-grooves simulated in the present …

Displacement of liquid droplets on micro-grooved surfaces with air flow

H Hu, S Huang, L Chen - Experimental thermal and fluid science, 2013 - Elsevier
… solid pillars between the different micro-grooves. The script P and … to different width of the
micro-grooves and solid pillars. The … by surface grooves on drop displacing process. Ultrasonic …

Anti-wetting ability of the hydrophobic surface decorated by submillimeter grooves

Z Yuan, J Wen, M Matsumoto, R Kurose - International Journal of …, 2020 - Elsevier
… wetting ability by decorating micro grooves and pillars (… for the drop quickly wetting the solid
and bouncing stage for … 4.5 ms after dropping, and it takes almost 10 ms to bounce and leave …

Surface design of superhydrophobic parallel grooves for controllable petal bouncing and contact time reduction

J Du, X Wang, Y Li, Q Min - Physics of Fluids, 2022 - pubs.aip.org
bouncing is converted into the petal bouncing, dramatically reducing t c by up to ∼75%. In
the region of conventional bouncing (We < We … The moments when A b and A s decrease to 0 …

Dynamics of droplet impact and evaporation on the regular micro-grooved and irregular microstructured surfaces

J Lyu, L Gao, Y Li, M Bai, D Gao, Z Yongfei - … Communications in Heat and …, 2021 - Elsevier
… is incorporated into the plastron [41] and the bounce of droplet occurs first at 165 C. The total
… remains constant until it dropped sharply after 60s. Solid pillars of micro-grooves hinder the …

Anisotropic wetting properties on a precision-ground micro-V-grooved Si surface related to their micro-characterized variables

P Li, J Xie, J Cheng, KK Wu - Journal of Micromechanics and …, 2014 - iopscience.iop.org
… was enlonged along the micro-grooves. It contributed to the drop being pinned at the micro-…
The droplet partially bounced as W e = 9.0 (see figure 11(b)). The liquid was invaded into …

Effect of micro groove on condensation behavior of vertical copper plate

MO Bappy - 2021 - lib.buet.ac.bd
… by introducing various micro grooves on copper surfaces, and … [11] used jumping droplets
to demonstrate the same thing. … first to investigate drop nucleation in DWC, finding that drops

Efficient removal of condensate droplets from the surface with microgroove composite structures

Y Wan, K Sun, J Xu, H Yu - Journal of Micromechanics and …, 2023 - iopscience.iop.org
… of the two kinds of micro grooves is greater higher than that … and optical image of the drop
shedding behavior. In the figure, … condensate droplets merging and jumping along the groove. …