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고받음각의 NACA23012익형에서 synthetic jet을 이용한 박리 제어 연구 : SEPARATION CONTROL USING SYNTHETIC JET ON NACA23012 AT HIGH ANGLE OF ATTACK
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- Authors
- Issue Date
- 2005-10
- Publisher
- 한국전산유체공학회
- Citation
- 추계 한국전산유체공학회, pp. 121-125
- Keywords
- 공학 ; 비압축성 유동 ; Incompressible Flow ; 유동 제어 ; Flow Control ; Synthetic 제트 ; Synthetic Jet ; 앞전 droop ; Leading Edge Droop ; Flain 플랩 ; Plain Falp
- Abstract
- Flow control has been performed using synthetic jet on NACA23012. In order to improve aerodynamic performance, synthetic jet is located near separation point on airfoil with leading edge droop and plain flap. The flow control using synthetic jet shows that stall characteristics and control surface performance can be improved through resizing separation vortices. Stall is delayed and stall characteristics are improved when synthetic jet is applied from separation region of leading edge droop. Control surface effectiveness is increased and lift is increased when synthetic jet applied at the flap leading edge region. The results show that aerodynamic characteristics can be improved through leading edge droop with synthetic jet at near separation and plain flap with synthetic jet at the flap leading edge. The combination of synthetic jet and simple high lift device is as good as fowler flap system.
- Language
- Korean
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