Scaling laws for slippage on superhydrophobic fractal surfaces

Preprint English OPEN
Cottin-Bizonne, C.; Barentin, C.; Bocquet, L.;
(2012)
  • Related identifiers: doi: 10.1063/1.3674300
  • Subject: Physics - Fluid Dynamics | Condensed Matter - Soft Condensed Matter

We study the slippage on hierarchical fractal superhydrophobic surfaces, and find an unexpected rich behavior for hydrodynamic friction on these surfaces. We develop a scaling law approach for the effective slip length, which is validated by numerical resolution of the ... View more
  • References (38)
    38 references, page 1 of 4

    [1] D., Qu´er´e, “Non-sticking drops”, Rep. Prog. Phys. 68, 2495 (2005).

    [2] L. Bocquet and E. Lauga “A smooth future ?”, Nature Mat., 10, 334 (2011).

    [3] J. Bico, U. Thiele, and D. Quere, “Wetting of textured surfaces”, Colloids Surf., A, 206, 41 (2002).

    [4] A. Lafuma and D. Quere, “Superhydrophobic states,” Nature Mat., 2, 457 (2003).

    [5] C. Cottin-Bizonne, J. L. Barrat, L. Bocquet, and E. Charlaix, “Low-friction flows of liquid at nanopatterned interfaces,” Nat. Mater., 2, 237 (2003).

    [6] D. Quere, A. Lafuma, and J. Bico, “Slippy and sticky microtextured solids,” Nanotechnology, 14, 1109 (2003).

    [7] J. Ou, B. Perot, and J. P. Rothstein, “Laminar drag reduction in microchannels using ultrahydrophobic surfaces,” Phys. Fluids, 16, 4635 (2004).

    [8] J. Ou and J. Rothstein, “Direct velocity measurements of the flow past drag-reducing ultrahydrophobic surfaces,” Phys. Fluids, 17, 103606 (2005).

    [9] P. Joseph, C. Cottin, J.-M. Benoit, C. Ybert, C. Journet, P. Tabeling, L. Bocquet, “ Slippage of water past superhydrophobic carbon nanotube carpets in microchanels ”, Phys. Rev. Lett. 97 156104 (2006).

    [10] C. Lee, C.H. Choi, CJ Kim, “Structured surfaces for a giant liquid slip”, Phys. Rev. Lett. 101 064501 (2008).

  • Related Research Results (1)
  • Metrics
Share - Bookmark