By K.L. Mittal(eds.)

The subject of wettabilty is very very important from either basic and utilized points. The purposes of wettability diversity from self-cleaning home windows to micro- and nanofluidics.

This e-book represents the cumulative knowledge of a contingent of world-class (researchers engaged within the area of wettability. within the previous few years there was large curiosity within the "Lotus Leaf impact" and in figuring out its mechanism and the way to copy this influence for myriad functions. the themes of superhydrophobicity, omniphobicity and superhydrophilicity are of a lot modern curiosity and those are coated extensive during this book.

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Extra resources for Advances in Contact Angle, Wettability and Adhesion, Volume 001

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2), although it is recognized that the values measured in this way do not always provide true values of the advancing and receding angles [3]. The difference between the advancing and receding CAs is called CA hysteresis. Originally, CA hysteresis was associated with surface contaminants. ” This phenomenon was described in a letter from a German scientist Agnes Pockels, who had no formal education and made observation on dishes in a kitchen sink. She observed that water droplets behaved differently on clean and contaminated glass surfaces.

Mater. 13, 3299–3305 (2001). 14 X. Hong, X. Gao, and L. Jiang, Application of superhydrophobic surface with high adhesive force in no lost transport of superparamagnetic microdroplet, J. Am. Chem. Soc. 129, 1478–1479 (2007). K. S. Choi, Fabrication of hairy polymeric films inspired by geckos: Wetting and high adhesion properties, Adv. Funct. Mater. 18, 1089–1096 (2008). 16 D. J. McCarthy, Ultrahydrophobic surfaces. , Langmuir 16, 7777–7782 (2000). H. Forsberg, C. Priest, M. Brinkmann, R. Sedev, and J.

This difference constitutes the adhesion hysteresis, TW . 5) In other words, the CA hysteresis is equal to dissipated energy during the motion of a droplet. This dissipation can occur either in the bulk of the liquid, at the solid-liquid interface or at the triple line. The bulk dissipation (3D) is mostly due to the viscosity and it can be eliminated in the quasi-static limit of low velocity, however, the interfacial (2D) and triple line (1D) dissipation cannot be eliminated completely and both contribute to CA hysteresis.

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