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권기범(K. B. Kwon),윤용현(Y. H. Yoon),홍승규(S. K. Hong) 한국전산유체공학회 2005 한국전산유체공학회지 Vol.10 No.3
In this study, the numerical and dynamic simulation on staging problem including forward jet mechanism is conducted. The forward jet plays a vital role in staging, which jets out from the booster. This staging environment needs full dynamic characteristics study and flow analysis for securing staging safety. This study performs dynamic simulation of forebody and aftbody with flow analysis using the Chimera grid scheme which is usually used for moving body simulations. As a result, the separation mechanism using forward jet well works in staging for given initial conditions and reverse thrust, chamber pressure variation from experiments. Furthermore, it is found that the technique using forward jets for staging is excellent for securing the separation safety.