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The interaction between fluid flow and ultra-hydrophobic surface in mini channel

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F17%3APU144108" target="_blank" >RIV/00216305:26210/17:PU144108 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/17:00108439

  • Result on the web

    <a href="http://dx.doi.org/10.1051/epjconf/201714302045" target="_blank" >http://dx.doi.org/10.1051/epjconf/201714302045</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1051/epjconf/201714302045" target="_blank" >10.1051/epjconf/201714302045</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The interaction between fluid flow and ultra-hydrophobic surface in mini channel

  • Original language description

    Interaction of liquid with ultra-hydrophobic surface is accompanied by creation of layer of air. The effect of the air film has a potential of use in industry in many applications. The quality of the surface is influenced by matrix roughness, the character of physical or chemical cover. There was developed a method for analysis of the liquid flow and the air film using the lighting in volume, visualization with CCD camera and long distance microscope, and optical filters. There were prepared four stainless steel samples of inner channel of dimensions (80 x 8 x 8) mm and initial surface roughness Ra 0.33, Ra 1.0, Ra 2.0, and Ra 2.2. The inner channel was treated with plasma and commercial hydrophobic coating Greblon (WEILBURGER Coatings GmbH). There was realized study focused on the liquid flow velocity profile close to the air film. There are present results for laminar, transient and turbulent flows. The study also estimated the air film thickness depending on the Re number. The knowledge of the air film behaviour helps applied suitable degree of processing and cover for the target application.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/TA03010950" target="_blank" >TA03010950: The use of hydrophobic and oleophobic surfaces during their interaction with liquids.</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

    EPJ Web Conf. Volume 143, 2017 EFM16 – Experimental Fluid Mechanics 2016 https://doi.org/10.1051/epjconf/201714300001

  • ISBN

  • ISSN

    2100-014X

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    02045-02045

  • Publisher name

    E D P SCIENCES

  • Place of publication

    CEDEX A

  • Event location

    Mariánské lázně

  • Event date

    Nov 15, 2016

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article

    000407743800047