TIME-ACCURATE NUMERICAL PREDICTION OF LIGHT STORES SEPARATING FROM THE AIRCRAFT
Due to the high unsteady and turbulent character of the flow field, the accurate numerical simulation of stores separating from an aircraft continues to be a challenging problem, especially for relatively small, light stores separation because they are more sensitive to the unsteady flow field. A chimera method which can provide an efficient and time accurate calculation is developed to predict unsteady fluid flow involving moving geometries in this paper, and numerical simulation of a light store separating from an aircraft with various ejector forces is investigated at Mach 0.6. The results show that the store properties and ejector forces affect the store trajectory greatly. The location and value of forward ejector force has a significant affect on the computational results, most notably for the predicted pitch angle.
JI Xiu-ling SUN Chao LEE Da-lin JIA Chen-yang HE Wei
National Key Laboratory of Mechatronics Engineering and Control, Beijing Institute of Technology, Be Shenyang Aircraft Design and Research Institute, AVIC, Shenyang, 110035, China
国际会议
25th International Symposium on Ballistics(第25届国际弹道会议)
北京
英文
385-392
2010-05-17（万方平台首次上网日期，不代表论文的发表时间）