03.1 - Aerodynamics – CFD Methods and Validation
NUMERICAL STUDY OF FLOWS OVER LAUNCH VEHICLES WITH VARIOUS FAIRING BY SECOND-MOMENT CLOSURE DETACHED-EDDY SIMULATION
Q. Li¹, G. Wang¹, M. Qin¹, L. Xu¹; ¹Northwestern Polytechnical University, China
The influence of fairing geometry on hammerhead launch vehicle buffeting is studied by second-moment closure detached-eddy simulation. The low-frequency domain fluctuation load on the vehicle booster can be reduced by decreasing the fairing boat angle. Increasing the fairing cylinder length can reduce the booster's full-frequency fluctuation load and the shock buffeting on the fairing.