EPJ Web of Conferences
Volume 114, 2016EFM15 – Experimental Fluid Mechanics 2015
|Number of page(s)||8|
|Published online||28 March 2016|
Fluidic low-frequency oscillator consisting of load-switched diverter and a pair of vortex chambers
1 Institute of Thermomechanics v.v.i., Academy of Sciences of the CR, Praha, Czech Republic
2 UTP University of Science and Technology in Bydgoszcz, Faculty of Mechanical Engineering, Control Group, Poland
a Corresponding author: email@example.com
Published online: 28 March 2016
Paper discusses a new configuration of fluidic oscillators, a subject of recent Patent application. There is some similarity with the standard Warren oscillator with its bistable jet-deflection diverter and two feedbacks – which is not suitable for situations demanding very low oscillation frequency. For these conditions the new design replaces jet-deflection switching in the diverter by load-switching effects, with the gradually increased loading by spin-up of fluid in the vortex chambers. The spin-up time also provides the needed time delays. Behaviour is characterised by the oscillation frequency increasing with increasing fluid flow rate – for which was derived a surprisingly simple theoretical solution.
© Owned by the authors, published by EDP Sciences, 2016
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