Drop Impact on Submillimeter-Structured Surfaces with Different Wetting Behaviors

Droplet impact behaviors are crucial in controlling infectious diseases, inkjet printing, and anti-icing applications. The wettability and microstructure of the material surface are critical factors in this regard. Compared to microstructures, submillimeter structures are more damage-resistant, ther...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 39(2023), 42 vom: 24. Okt., Seite 15022-15030
1. Verfasser: Wu, Jiangen (VerfasserIn)
Weitere Verfasser: Zou, Jun, Ma, Haojun, Wang, Jiayan, Li, Chunbo, Yang, Can, Deng, Leimin, Wang, Meng, Yang, Huan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Droplet impact behaviors are crucial in controlling infectious diseases, inkjet printing, and anti-icing applications. The wettability and microstructure of the material surface are critical factors in this regard. Compared to microstructures, submillimeter structures are more damage-resistant, thereby ensuring droplet impact behaviors' stability. Herein, submillimeter-structured PDMS surfaces with varying wetting properties were prepared to investigate droplet impact behaviors. Experimental results indicate that submillimeter-structured surfaces are more prone to droplet splashing than flat surfaces, which can be suppressed by increasing surface hydrophilicity. An increase in the submillimeter pillar height and a decrease in spacing result in an increased critical Weber number. Additionally, the capillary forces of the superhydrophilic surface lead to droplet impact, accompanied by deposition. This study supports the long-term stable use of the droplet impact effect to achieve fluid separation 
650 4 |a Journal Article 
700 1 |a Zou, Jun  |e verfasserin  |4 aut 
700 1 |a Ma, Haojun  |e verfasserin  |4 aut 
700 1 |a Wang, Jiayan  |e verfasserin  |4 aut 
700 1 |a Li, Chunbo  |e verfasserin  |4 aut 
700 1 |a Yang, Can  |e verfasserin  |4 aut 
700 1 |a Deng, Leimin  |e verfasserin  |4 aut 
700 1 |a Wang, Meng  |e verfasserin  |4 aut 
700 1 |a Yang, Huan  |e verfasserin  |4 aut 
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