Superhydrophobic Surface with Gamma Irradiation Resistance and Self-Cleaning Effect in Air and Oil

Zhang, Yan; Zhang, Jing; Liu, Yujian

doi:10.3390/coatings10020106

Cited by 3 publications

(1 citation statement)

References 38 publications

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“…The phenomenon of droplets impacting a solid surface is extensively encountered in various applications like self-cleaning, anti-icing, ink-printing, and spray cooling [1][2][3][4][5]. The impact results, such as the outcomes, contact time, and spreading diameter, are important for the quality of anti-icing, ink-printing, and heat transfer.…”

Section: Introductionmentioning

confidence: 99%

Rebound Dynamics of Two Droplets Successively Impacting an Inclined Surface

Lin

Zhang

et al. 2020

Coatings

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The dynamic behaviors of two droplets successively impacting inclined surfaces are simulated by a three-dimensional pseudopotential lattice Boltzmann model based on multi-relaxation-time. The effect of velocity ratio of two successive droplets on the contact time is investigated and two rebounding regimes are identified depending on whether the coalesced droplet retouches the surface or not. Increasing the velocity ratio leads to a stronger interaction between the two droplets and the phenomenon of coalesced droplet retouching the surface is observed when the velocity ratio exceeds a threshold, resulting in a longer contact time. An outcome map of droplet rebounding is obtained at various velocity ratios and contact angles of surface. It is found that the coalesced droplet cannot rebound from the surface at a larger velocity ratio and a lower contact angle of surface. Furthermore, the effect of the length between impact points on the contact time is exhibited, and a longer length is beneficial to coalesced droplet rebounding.

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