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Velocity profiles of fluid flow close to a hydrophobic surface

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F17%3APU140236" target="_blank" >RIV/00216305:26210/17:PU140236 - isvavai.cz</a>

  • Alternative codes found

    RIV/46747885:24620/17:00004645

  • Result on the web

    <a href="https://www.epj-conferences.org/articles/epjconf/abs/2017/12/epjconf_efm2017_02023/epjconf_efm2017_02023.html" target="_blank" >https://www.epj-conferences.org/articles/epjconf/abs/2017/12/epjconf_efm2017_02023/epjconf_efm2017_02023.html</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1051/epjconf/201714302023" target="_blank" >10.1051/epjconf/201714302023</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Velocity profiles of fluid flow close to a hydrophobic surface

  • Original language description

    The results of research on viscous liquid flow upon a superhydrophobic surface are presented in the paper. In the introduction, the degrees of surface hydrophobicity in correlation with an adhesion coefficient are defined. The usage of the adhesion coefficient for the definition of a new boundary condition is employed for expressing the slip of the liquid over the superhydrophobic surface. The slip of the liquid was identified on a special experimental device. The essence of the device consists of a tunnel of rectangular cross section whose one wall is treated with a superhydrophobic layer. The other walls are made of transparent organic glass whose surface is hydrophilic. Velocity profiles are measured by PIV. The methodology is drawn so that it allows the speed determination at the closest point to the wall. The measurements were performed for different Reynolds numbers for both laminar and turbulent flow. Based on the measured velocity profiles, marginal terms of use have been verified, expressing slippage of the liquid on the wall. New forms of velocity profiles considering superhydrophobic surfaces are shown within the work.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20301 - Mechanical engineering

Result continuities

  • Project

    <a href="/en/project/GA16-18316S" target="_blank" >GA16-18316S: Principles and mechanisms causing microorganism elimination by hydrodynamic cavitation</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    EFM16 – Experimental Fluid Mechanics 2016

  • ISBN

  • ISSN

    2100-014X

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    1-6

  • Publisher name

    Neuveden

  • Place of publication

    Neuveden

  • Event location

    Mariánské lázně

  • Event date

    Nov 15, 2016

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article

    000407743800025