Significant reduction in droplet ejection for terminal velocity impact using a combination of superhydrophilic &amp; superhydrophobic sieve

Kumar, Arvind; Tripathy, Abinash; Raj, Shivani; Sen, Prosenjit

doi:10.1109/memsys.2018.8346533

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Droplet Generation In 40 Picoliter To Submicroliter Volumes1

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2023

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“…Superhydrophobic flat surfaces have been explored widely for many applications related to drag reduction, self-cleaning, water harvesting, heat-transfer enhancement, and anti-icing. − Similarly, the superhydrophobic mesh with submillimeter pores can be used for applications related to separating oil and water, harvesting moisture, agricultural spraying, repelling rain, , and capturing bubbles . The mesh surface has an inherent structuring which, in combination with the nanostructured surface, leads to several interesting phenomena, such as leaky behavior, where fluid can easily pass through the holes of the sieve.…”

Section: Droplet Generation In 40 Picoliter To Submicroliter Volumesmentioning

confidence: 99%

Advances in Microscale Droplet Generation and Manipulation

et al. 2023

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Microscale droplet generation and manipulation have widespread applications in numerous fields, from biochemical assays to printing and additive manufacturing. There are several techniques for droplet handling. Most techniques, however, can generate and work with only a limited range of droplet sizes. Furthermore, there are constraints regarding the workable variety of fluid properties (e.g., viscosity, surface tension, mass loading, etc.). Recent works have focused on developing techniques to overcome these limitations. This feature article discusses advances in this area that cover a wide range of droplet sizes from subpicoliter to microliter.

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