| Issue |
EPJ Web of Conferences
Volume 67, 2014
EFM13 – Experimental Fluid Mechanics 2013
|
|
|---|---|---|
| Article Number | 02117 | |
| Number of page(s) | 7 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/20146702117 | |
| Published online | 25 March 2014 | |
https://doi.org/10.1051/epjconf/20146702117
Application of the electrodiffusion method for near-wall flow diagnostics
Institute of Chemical Process Fundamentals, ASCR, Rozvojová 135, 16502 Prague, Czech Republic
a Corresponding author: tihon@icpf.cas.cz
Published online: 25 March 2014
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 flow-recirculation 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.
© Owned by the authors, published by EDP Sciences, 2014
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