Flow Control by Means of Synthetic Jet Actuators

Dear Colleagues,

The need for flow control is widely recognized in various fields of technological applications such as fluid dynamics, heat transfer, combustion, atomization, and others. The common goal to be achieved is the maximization of the performance of the engineering systems under design, for both safety and energy consumption reduction purposes. A class of modern active control actuators is clustered under the common term synthetic jet (SJ), meaning that the jet is synthetized within the fluid to be controlled without the use of any traditional pumping device. Piezo-driven and plasma (i.e., spark and dielectric barrier discharge (DBD)) actuators are currently the object of theoretical and experimental investigations. The recent literature has provided a huge amount of contributions related to the basic characterization of such devices, whilst the current ongoing research is devoted to various applications of flow control, addressing specific needs and issues. The aim of the present Special Issue is to collect original papers concerned with the application of various types of SJ actuators to flow control, without any limitation on the specific application field. Theoretical, numerical and experimental contributions are welcome, provided they deal with the interaction between the jet and the external fluid current to be controlled. Modern analysis concerned with POD, DMD, and low order modeling global stability are particularly encouraged, for both numerical and experimental data.

Prof. Luigi de Luca
Guest Editor

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