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On the influence of plasma DBD actuator on the flow in a rectangular channel

Previously, the vortical structures generated by plasma DBD actuator working in unsteady regime were investigated in detail. The generalized model describing the behaviour of these vortices in dependency on input power parameters was introduced. This paper should reveal how the wall‐jet‐like‐flow generated by that actuator will affect the developed flow in a rectangular channel with cross‐section dimension of 250 × 100 mm. The actuator is considered in spanwise configuration where the induced flow has the same or opposite orientation as the main flow. The flow control will be tested both for steady regime and for unsteady regime. The dynamic of that complex phenomenon will be studied and results in qualitatively and quantitatively meaning will be presented. (© 2014 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)