EPJ Web of Conferences
Volume 45, 2013EFM12 – Experimental Fluid Mechanics 2012
|Number of page(s)||11|
|Published online||09 April 2013|
Experimental Investigation of a Synthetic Jet Array in a Laminar Channel Flow
1 Technical University of Liberec, FS, KEZ, Studentská 2, 461 17 Liberec 1, Czech Republic
2 Instutite of Thermomechanics ASCR, v.v.i., Dolejškova 1402/5, 182 00 Praha 8, Czech Republic
The paper deals with an impinging synthetic jet, namely on the case of a synthetic jet array interacting with a laminar channel flow. This arrangement can be useful in many micro-scale applications, such as cooling of micro-electronics. The flow regime in micro-scale is usually laminar with very small Reynolds numbers; therefore synthetic jet array can be used for the profile disturbance and heat transfer enhancement. The paper focuses on the low Reynolds number (in order 102). The working fluid is water and a piezoceramic transducer is used as a moving membrane in the synthetic jet actuator. Experiments are performed with four experimental methods (tin ion visualization, hot wire anemometry in constant temperature mode, laser Doppler vibrometry and particle image velocimetry) in three laboratories (at the Eindhoven University of Technology, Netherlands, at the Institute of Thermodynamics CAS, v.v.i. and Technical University of Liberec, both Czech Republic).
© Owned by the authors, published by EDP Sciences, 2013
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