Numerical study on debris cloud behind Al/Mg wave impedance-grade bumper
- Paper number
IAC-14,A6,P,2,x20484
- Author
Dr. Mingqiang Hou, China
- Coauthor
Prof. Zizheng Gong, China
- Coauthor
Dr. Jiandong Zheng, China
- Coauthor
Ms. Kunbo Xu, China
- Coauthor
Ms. Yan Cao, China
- Coauthor
Dr. Jinchao Niu, China
- Year
2014
- Abstract
Debris clouds produced behind Al/Mg wave impedance-grade bumper and Aluminum alloy were studied by using numerical simulation at velocity range 4.0-7.0 km/s. The number of ejecta particles before Al/Mg bumper was half of that before aluminum alloy bumper. Projectile debris behind Al/Mg bumper spread in a larger expansion angle, while bumper debris expanded in a smaller angle, compared with those behind aluminum alloy bumper. Less large fragments with smaller mass were observed in debris cloud behind Al/Mg bumper. These characteristics of debris cloud indicated that Al/Mg bumper could break an incidence projectile into more fragments moving at smaller velocities than monolithic aluminum alloy bumper could.
- Abstract document
- Manuscript document
(absent)