| Issue |
EPJ Web of Conferences
Volume 45, 2013
EFM12 – Experimental Fluid Mechanics 2012
|
|
|---|---|---|
| Article Number | 01047 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/epjconf/20134501047 | |
| Published online | 09 April 2013 | |
https://doi.org/10.1051/epjconf/20134501047
Rotary slanted single wire CTA – a useful tool for 3D flows investigations
Institute of Thermomechanics Academy of Sciences of the Czech Republic, v.v.i., Praha, Czech Republic
a e-mail: jonas@it.cas.cz
The procedure is described of experimental investigation of a statistically stationary generally nonisothermal 3D flow by means of a constant temperature anemometer (CTA) using single slanted heated wire, rotary round the fixed axis. The principle of this procedure is quite clear. The change of the heated wire temperature modifies ratio of CTA sensitivities to temperature and velocity fluctuations. Turning the heated wire through a proper angle changes the sensitivity to components of the instantaneous velocity vector. Some recommendations are presented based on long time experiences, e.g. on the choice of probe, on the probe calibration, to the measurement organization and to the evaluation of results.
© Owned by the authors, published by EDP Sciences, 2013
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