EPJ Web of Conferences
Volume 92, 2015EFM14 – Experimental Fluid Mechanics 2014
|Number of page(s)||8|
|Published online||06 May 2015|
Power efficiency of the active boundary layer control around the hump by a slotted synthetic jet generator
Aerospace Research and Test Establishment, Engine department, Beranových 130, Prague, Czech Republic
a Corresponding author: firstname.lastname@example.org
Published online: 6 May 2015
The present contribution summarizes the power efficiency of the active flow control of the boundary layer of air around a hump. The synthetic jet generator with a rectangular output part, i.e. a slot, is actuated using a modulated signal. The actuation of the synthetic jet is carried out by modulating the input voltage of acoustic transducers of the generator. This causes the decrease of the loss coefficient and the change of the mixing size area (e.g. wake). A comparison of three types of modulating signals and their influence on the loss coefficient is performed. The main advantages of modulated signal are then described.
© Owned by the authors, published by EDP Sciences, 2015
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