국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	Numerical Simulation of Dynamic Stall of NACA0012 Airfoil Oscillating near Static Stall Angle Using the Navier-Stokes Equations
저자	Koji Isogai
Keyword	numerical simulation; dynamic stall; unsteady aerodynamics; unsteady flow separation; unsteady viscous flow
URL	http://send.nal.go.jp/send/jpn/dlpdf.php3/naltr1141t.pdf?id=NALTR0001141T
보고서번호	NAL TR-1141T
발행년도	1992.3
출처	NAL (National Aerospace Laboratory of Japan)
ABSTRACT	Numerical simulations were performed using the compressible Navier-Stokes equations to investigate the dynamic stall phenomena of the NACA0012 airfoil oscillating near the static stall angle.The Yee-Harten Total Variation Dimminishing (TVD) scheme and the Baldwin-Lomax algebraic turbulence model were employed.The flow pattern,instantaneous pressure distributoment hysteresis loops.However,comparisons of the resultant pitching moment hysteresis loops with experimental data indicated that further research is necessary to obtain a rigorous quantitative predictin of the unsteady aerodynamic forces arising from the massively separated flows.