한국추진공학회:학술대회논문집 (Proceedings of the Korean Society of Propulsion Engineers Conference)
- 한국추진공학회 2002년도 제18회 학술발표대회 논문초록집
- /
- Pages.41-42
- /
- 2002
- /
- 1975-342X(pISSN)
Plume Interference Effects on the Missile with a Simplified Afterbody at Transonic$^{}$ ersonic Speeds
- Kim, H. S. (School of Mechanical Engineering, Andong National. University) ;
- Kim, H. D. (School of Mechanical Engineering, Andong National. University) ;
- Lee, Y. K. (School of Aeronautical Engineering, Queen′s University of Belfast)
- 발행 : 2002.04.01
초록
The powered missiles with very high thrust level can make highly underexpanded jet plume downstream of tile exhaust nozzle exit so that strong interactions between the exhaust plume and a free stream occur around the body at transonic or supersonic speeds. The interactions result in extremely complicated flow phenomena, which consist of plume-induced boundary layer separation, strong shear layers, various shock waves, and interactions among these. The flow characteristics are inherent nonlinear and severe unstable during the flight at its normal speed as well as taking-off and landing. Eventually, the induced boundary layer separation and pitching and yawing moments by the interactions cause undesirable effects ell the static stability and control of a missile.
키워드