Abstract
In the preceding chapter, we discussed self-cleaning mechanisms that involve the Lotus effect and photocatalysis. These mechanisms imply that contamination can be washed away with the flow of water. Therefore, they require the three-phase system involving solid, water, and air. Some applications, such as water pipes, ship hulls, drainage systems, medical applications, such as heart catheters, have to operate underwater in permanent water flow or in other liquids, such as blood. Therefore, the Lotus effect per se cannot be used for them. However, a similar and related approach of underwater oleophobicity can be used instead, with the three-phase system of solid, water, and oil (or any organic liquid). In this system, the oil or organic liquid is a contaminant; however, it plays the same role as water in the solid–water–air system, whereas water plays the role of air.
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Nosonovsky, M., Rohatgi, P.K. (2011). Self-Cleaning in the Water Flow. In: Biomimetics in Materials Science. Springer Series in Materials Science, vol 152. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0926-7_12
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DOI: https://doi.org/10.1007/978-1-4614-0926-7_12
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