COMPUTATIONS AND VALIDATIONS OF AERODYNAMICS FOR LOITERING VEHICLES WITH NON-CIRCULAR CROSS SECTIONS
High lift-to-drag ratio is important to increase the gliding range and endurance for a loitering vehicle, so a non-circular cross body is chosen for its better aerodynamic performance compared to equi-volume missiles with circular bodies. In order to validate the conceptual design, numerical simulation should be done firstly to investigate the aerodynamic characteristics of the non-circular cross section body and body-wing-tail combination. The calculation results show that the aerodynamics of loitering vehicle satisfies the design demand, and the maxiM lift-to-drag ratio is up to 10.Based on aerodynamic calculations, a suit of wind tunnel experiment models are designed and wind tunnel tests are conducted, the results of wind tunnel test have a good agreement with the simulation. The results also reveal that the loitering vehicle has good longitudinal, yawing and rolling static stability.
LEE Jie JI Xiu-ling BIE Xiao-ye ZHANG Tai-heng HEGuang-lin
National Key Laboratory of Mechatronics Engineering and Control, Beijing Institute of Technology, Be Jilin Jiangbei Machinery Manufacture Co., Ltd, Jilin 132021, China
国际会议
25th International Symposium on Ballistics(第25届国际弹道会议)
北京
英文
314-320
2010-05-17（万方平台首次上网日期，不代表论文的发表时间）