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헬리콥터로부터 발사된 로켓의 초기 안정성에 대한 수치적 연구
이범석(B. S. Lee),김유진(K. T. Kang),강경태(E. J. Kim),권오준(O. J. Kwon) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.11
Numerical simulation of air-launched rockets from a helicopter was conducted to investigate the initial aerodynamic stability and its plume effect. For this purpose, a three-dimensional inviscid flow solver has been developed based on unstructured meshes and an mesh technique was used to describe the relative motion between missile launcher and launched rockets. The flow solver was coupled with six degree-of-freedom equation to predict the trajectory of free-flight rockets. Simulation of air-launched rockets from a helicopter showed that rotor downwash has non-negligible effect on the initial stability of the rockets and its plume development.