Active control of continuous air jet with bifurcated synthetic jets
1 Department of Power Engineering Equipment, Technical University of Liberec, Studentská 2, 46117 Liberec 1, Czech Republic
2 Institute for Nanomaterials, Advanced Technology and Innovation, Technical University of Liberec, Studentská 2, 46117 Liberec 1, Czech Republic
Published online: 12 May 2017
The synthetic jets (SJs) have many significant applications and the number of applications is increasing all the time. In this research the main focus is on the primary flow control which can be used effectively for the heat transfer increasing. This paper deals with the experimental research of the effect of two SJs worked in the bifurcated mode used for control of an axisymmetric air jet. First, the control synthetic jets were measured alone. After an adjustment, the primary axisymmetric jet was added in to the system. For comparison, the primary flow without synthetic jets control was also measured. All experiments were performed using PIV method whereby the synchronization between synthetic jets and PIV system was necessary to do.
Key words: Synthetic jet / primary flow / unforced flow / flow control / pulse modulation / PIV / synchronization
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.