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College of Engineering/Engineering Practice School (공과대학/대학원)
Dept. of Mechanical Aerospace Engineering (기계항공공학부)
Others_기계항공공학부
Synthetic Jet 출구 형상의 변화에 따른 유동 특성 파악을 위한 수치적 연구 : Numerical Study on Flow Characteristics of Synthetic Jet with Slot Exit
- Authors
- Issue Date
- 2011-05
- Publisher
- 한국전산유체공학회
- Citation
- 한국전산유체공학회 2011년도 춘계학술대회, pp. 356-361
- Keywords
- 공학 ; 전산유체역학 ; CFD ; 비정상유동 ; Unsteady Flow ; Synthetic 제트 ; Synthetic jet ; 유동제어 ; Flow control ; 전단응력 ; Wall shear stress ; 유동구조 ; Flow structure
- Abstract
- The flow characteristics of synthetic jet depending on rectangular and circular jet exit configuration are investigated using numerical computation with cross flow. In rectangular slot, synthetic jet generates the strong vortex, however, supply fewer momentum and effectiveness of flow control is reduced along flow direction. In circular slot, regular vortex is formed from slot center to end and developed in flow direction. It affects the wider region than rectangular slot. The distribution of wall shear stress is considered in order to indicate the effectiveness of flow control device for flow separation delay. As a result, circular slot is a more suitable candidate for delaying flow separation.
- Language
- Korean
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