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Gaskell, P.H.; Lee, Y.C.; Thompson, H.M.; Emerson, D.R.; Gu, X.J.
Languages: English
Types: Other
Subjects:
The deposition and controlled flow of continuous thin\ud liquid film droplets on surfaces containing complex microscale\ud surface patterning (either man-made or naturally\ud occurring) plays a key part in numerous engineering and\ud biologically related fields. For example, in an engineering\ud context, complex surface patterning is present in processes\ud involving printing/photolithography [1] and the application\ud of precision protective coatings [2]; in biological systems\ud they occur in such diverse areas as plant disease control [3],\ud in redistribution of lung linings in respiratory systems [4],\ud and in sustaining life itself, as in the unusual case of the\ud Namibian desert beetle which drinks by harvesting morning mists [5] -- the mist condenses on hydrophilic\ud bumps on its upper surface to form larger droplets which\ud then roll down waxy hydrophobic channels between the\ud bumps to reach the beetle's mouth.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • [1] WK Ho, A Tay, LL Lee, & CD Schaper, (2004). On control of resist film uniformity in the microlithography process. Control. Eng. Prac., 12 (7), 881-892.
    • [2] A Clarke, (2002). Coating on a rough surface. A.I.Ch.E. Journal, 48, 2149-2156.
    • [3] DR Walters, (2006). Disguising the leaf surface: the use of leaf coatings for plant disease control. Euro. J. Plant Pathology, 114, 255-260.
    • [4] DP Gaver, & JB Grotberg, (1990). The Dynamics of a Localized Surfactant on a Thin-Film. J. Fluid Mech., 213, 127-148.
    • [5] T Mueller, (2008). Biomimetics. National Geographic, April, 68-91.
    • [6] M Decre, & C-J Baret, (2003). Gravity-driven flows of viscous liquids over two-dimensional topographies. J. Fluid Mech, 487, 147-166.
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