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Two recipes for repelling hot water.

08:00 EDT 29th March 2019 | BioPortfolio

Summary of "Two recipes for repelling hot water."

Although a hydrophobic microtexture at a solid surface most often reflects rain owing to the presence of entrapped air within the texture, it is much more challenging to repel hot water. As it contacts a colder material, hot water generates condensation within the cavities at the solid surface, which eventually builds bridges between the substrate and the water, and thus destroys repellency. Here we show that both "small" (~100 nm) and "large" (~10 µm) model features do reflect hot drops at any drop temperature and in the whole range of explored impact velocities. Hence, we can define two structural recipes for repelling hot water: drops on nanometric features hardly stick owing to the miniaturization of water bridges, whereas kinetics of condensation in large features is too slow to connect the liquid to the solid at impact.

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This article was published in the following journal.

Name: Nature communications
ISSN: 2041-1723
Pages: 1410

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Medical and Biotech [MESH] Definitions

Collections of recipes or instructions for preparation of food and organization of meals.

Works that consist of lists of drugs or collections of recipes, formulas, and prescriptions for the compounding of medicinal preparations.

Environmental reservoirs of water related to natural WATER CYCLE by which water is obtained for various purposes. This includes but is not limited to watersheds, aquifers and springs.

The flow of water in enviromental bodies of water such as rivers, oceans, water supplies, aquariums, etc. It includes currents, tides, and waves.

Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading.

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