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Application of the Electrodiffusion Method for Near-Wall Flow Diagnostics
- 1.0427855 - ÚCHP 2015 RIV FR eng C - Konferenční příspěvek (zahraniční konf.)
Tihon, Jaroslav
Application of the Electrodiffusion Method for Near-Wall Flow Diagnostics.
EPJ Web of Conferences. Vol. 67. Les Ulis: EDP SCIENCES, 2014, Č. 02117. ISBN 978-80-260-5375-0. ISSN 2100-014X.
[International Conference Experimental Fluid Mechanics 2013. Kutná Hora (CZ), 19.11.2013-22.11.2013]
Grant CEP: GA ČR(CZ) GAP101/12/0585
Institucionální podpora: RVO:67985858
Klíčová slova: electrodiffusion method * wavy film flow * near-wall
Obor OECD: Chemical process engineering
http://www.epj-conferences.org/articles/epjconf/pdf/2014/04/epjconf_efm-13_02117.pdf
The electrodiffusion method is presented as a measuring technique suitable for the flow measurement done in close proximity of the wall, thus in the region difficultly accessible by standard anemometric techniques (e.g. PIV, LDA). The experimental results obtained in different flow configurations (backward-facing step flow, wavy film flow, turbulent channel flow, rising Taylor bubbles) document application capabilities of this technique, e.g. for mapping of wall shear stresses, delimitation of stable flowrecirculation zones, detection of short-time reversal of the near-wall flow, investigation of the near-wall turbulence, or detection of moving fluid particles. A new technology of sensor fabrication based on photolithography is introduced and possible applications of microsensors in microfluidic devices discussed.
Trvalý link: http://hdl.handle.net/11104/0234070
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