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Experimental and Computational Study on Flow Characteristics by Synthetic Jets Configuration

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Authors
Kim, Woore; Kim, Sanghoon; Choi, Kwangwoo; Kim, Chongam
Issue Date
2010-01
Publisher
AIAA
Citation
48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, 2010-864, pp. 1-12
Keywords
공학
Abstract
Synthetic jets have been used in a variety of flow applications, and there have been a lot
of studies on the possibilities of synthetic jets as a flow control device. Many experimental
and numerical researches are reported on the jet structure with cross flow, the jet evolution
in the quiescent condition. However, some issues are not fully investigated yet, such as an
optimal exit configuration for flow control, and so on. Jet exit configuration strongly affects
the vortex developing process which determines the mechanism of jet momentum transport.
In this study, the flow characteristics of synthetic jet depending on jet exit configuration are
investigated using experimental and numerical approaches. Two exit configurations are
selected, one is a conventional rectangular slot type and the other is a serial circular slot type.
In the quiescent condition, velocity profiles of the two type jets are examined using hot wire
measurement and numerical computations, and the jet interaction with cross flow is
investigated. Detailed comparison of the static velocity data shows the difference of flow
evolution structure induced by the two type jets, and the dynamic data reveal how each of
exit configuration interacts with surrounding cross flow.
Language
English
URI
http://hdl.handle.net/10371/82440
DOI
https://doi.org/10.2514/6.2010-864?prevSearch=&searchHistoryKey=
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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