Enhanced structural damage behavior of liquid-filled tank by reactive material projectile impact
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作者:
Jianwen Xie
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Jianwen Xie
[1
]
Yuanfeng Zheng
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Yuanfeng Zheng
[1
]
Zhenyang Liu
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Zhenyang Liu
[1
]
Chengzhe Liu
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Chengzhe Liu
[1
]
Aoxin Liu
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Aoxin Liu
[1
]
Pengwan Chen
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Pengwan Chen
[1
]
Haifu Wang
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State Key Laboratory of Explosion Science and Technology, Beijing Institute of TechnologyState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
Haifu Wang
[1
]
机构:
[1] State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology
A series of ballistic experiments were performed to investigate the damage behavior of high velocity reactive material projectiles(RMPs) impacting liquid-filled tanks, and the corresponding hydrodynamic ram(HRAM) was studied in detail. PTFE/Al/W RMPs with steel-like and aluminum-like densities were prepared by a pressing/sintering process. The projectiles impacted a liquid-filled steel tank with front aluminum panel at approximately 1250 m/s. The corresponding cavity evolution characteristics and HRAM pressure were recorded by high-speed camera and pressure acquisition system, and further compared to those of steel and aluminum projectiles. Significantly different from the conical cavity formed by the inert metal projectile, the cavity formed by the RMP appeared as an ellipsoid with a conical front. The RMPs were demonstrated to enhance the radial growth velocity of cavity, the global HRAM pressure amplitude and the front panel damage, indicating the enhanced HRAM and structural damage behavior. Furthermore, combining the impact-induced fragmentation and deflagration characteristics, the cavity evolution of RMPs under the combined effect of kinetic energy impact and chemical energy release was analyzed. The mechanism of enhanced HRAM pressure induced by the RMPs was further revealed based on the theoretical model of the initial impact wave and the impulse analysis.Finally, the linear correlation between the deformation-thickness ratio and the non-dimensional impulse for the front panel was obtained and analyzed. It was determined that the enhanced near-field impulse induced by the RMPs was the dominant reason for the enhanced structural damage behavior.
机构:Indian Inst Technol, Dept Aerosp Engn, AR & DB Ctr Excellence Composite Struct Technol, Kharagpur 721302, W Bengal, India
Biswal, KC
Bhattacharyya, SK
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机构:Indian Inst Technol, Dept Aerosp Engn, AR & DB Ctr Excellence Composite Struct Technol, Kharagpur 721302, W Bengal, India
Bhattacharyya, SK
Sinha, PK
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机构:
Indian Inst Technol, Dept Aerosp Engn, AR & DB Ctr Excellence Composite Struct Technol, Kharagpur 721302, W Bengal, IndiaIndian Inst Technol, Dept Aerosp Engn, AR & DB Ctr Excellence Composite Struct Technol, Kharagpur 721302, W Bengal, India
机构:
College of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, China
Lei, Yongjun
Yang, Zhen
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机构:
College of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, China
Yang, Zhen
Wang, Chenglong
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机构:
College of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, China
Wang, Chenglong
Song, Xiancun
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机构:
College of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, China
Song, Xiancun
Li, Daokui
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机构:
College of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace and Materials Engineering, National University of Defense Technology, Changsha 410073, China
Li, Daokui
Guofang Keji Daxue Xuebao/Journal of National University of Defense Technology,
2012,
34
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