10 March 2014 Displacement amplified synthetic jets
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Synthetic ynthetic jet actuators are attractive devices for active flow control because, in contrast to many other actuators, they do not require a pressurized air source. Instead, they cyclically ingest and expel air from the external flow that is being controlled. To accomplish this, a piston or diaphragm is used compress and expand the volume of the actuator cavity. Various approaches to compress and expand the volume of the cavity have been explored including: speaker drivers,1 mechanical pistons2 and piezoelectric diaphragms.
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Steve Griffin, Steve Griffin, Shawn M. Haar, Shawn M. Haar, Edward Whalen, Edward Whalen, "Displacement amplified synthetic jets", Proc. SPIE 9059, Industrial and Commercial Applications of Smart Structures Technologies 2014, 905903 (10 March 2014); doi: 10.1117/12.2046442; https://doi.org/10.1117/12.2046442

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