Physics of droplet impact on flexible materials: A review

Droplet impact on a flexible substrate is a prevalent phenomenon in nature and various advanced technologies such as soft bio-printing, tissue engineering, smart biomaterials and flexible electronics. Recent rapid advancement in new functional surfaces, ultra-high-speed imaging, nanotechnology, deep...

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Bibliographic Details
Published inAdvances in mechanical engineering Vol. 14; no. 11; p. 168781322211372
Main Author Mohammad Karim, Alireza
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.11.2022
Sage Publications Ltd
SAGE Publishing
Subjects
Bioengineering
Biomedical materials
Droplets
Electronics
Flexible components
Fluid dynamics
New technology
Physics
Solid surfaces
Substrates
Three dimensional printing
Tissue engineering
rebound
interfacial tension
flexible surface
Droplet impact
contact angle
splash
droplet impact velocity
spread
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Summary:Droplet impact on a flexible substrate is a prevalent phenomenon in nature and various advanced technologies such as soft bio-printing, tissue engineering, smart biomaterials and flexible electronics. Recent rapid advancement in new functional surfaces, ultra-high-speed imaging, nanotechnology, deep learning, advanced computational strength and the relation between fluid dynamics and interfacial science have intensified the physical understanding of droplet impact on soft materials. Once a droplets impacts on a solid surface, it deposits, spreads, rebounds or splashes. Given the importance of the droplet impact onto soft substrates in biotechnology, medicine and advanced flexible electronics, a deep physical understanding of such complex phenomenon is vital. This review initially presents the liquid-solid interaction physics and relevant interfacial science. Next, this review discusses the physics of droplet impact on soft materials with different physical and interfacial characteristics. Moreover, this review presents advancements in droplet impact on elastic materials relevant to new technologies such as soft electronics, elastic smart biomaterials, tissue engineering and the fight against COVID-19 pandemic. Finally, this review lays out future research directions related to current problems in such complex physical phenomenon.
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ISSN:1687-8132
1687-8140
DOI:10.1177/16878132221137237