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Reactive Hydrokinetics in the Early Stage of Shock Initiation of PBX 9501
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Jun CHEN1, Zhan-Dong TIAN2, Dai-Peng ZENG1, Zhen-Yu ZHANG2, Zhuo-Ping DUAN3
Chinese Journal of High Pressure Physics | 2013, 27(3) : 331 - 336
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Chinese Journal of High Pressure Physics | 2013, 27(3): 331-336
Reactive Hydrokinetics in the Early Stage of Shock Initiation of PBX 9501
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Jun CHEN1, Zhan-Dong TIAN2, Dai-Peng ZENG1, Zhen-Yu ZHANG2, Zhuo-Ping DUAN3
Affiliations
  • 1.Institute of Fluid Physics, CAEP, Mianyang 621900, China
  • 2.Institute of Technical Physics, College of Science, National University of Defense Technology, Changsha 410073, China
  • 3.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
Published: 2013-06-15
Outline
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Through the application of Lambourn's CIM model, a simplified analytic method was proposed to study the post-shock reactive flow in the case of unknowing the real formula of reaction rate. Based on this method, a more reasonable empirical reaction rate can be extracted to better understand the initial hydrodynamic phenomenon during shock to detonation transition. The method assumes that reaction rate is a function of time. The history and relationship of particle velocity, pressure, extent of reaction and reaction rate can be obtained by combining with experimental particle velocity. The results show that the decrease of particle velocity on impact interface relates with extent of reaction, and peak reaction rate after shock wave appears within the peaks of particle velocity and pressure.

shock initiation  /  reaction rate  /  characteristics  /  analytic model
陈军, 田占东, 曾代朋, 张震宇, 段卓平. PBX 9501炸药冲击起爆初期反应流体动力学特性研究. 高压物理学报, 2013 , 27 (3) : 331 -336 .
Jun CHEN, Zhan-Dong TIAN, Dai-Peng ZENG, Zhen-Yu ZHANG, Zhuo-Ping DUAN. Reactive Hydrokinetics in the Early Stage of Shock Initiation of PBX 9501[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (3) : 331 -336 .
Year 2013 volume 27 Issue 3
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  • Receive Date:2012-10-16
  • Online Date:2026-11-05
  • Published:2013-06-15
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  • Received:2012-10-16
  • Revised:2012-12-15
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Affiliations
    1.Institute of Fluid Physics, CAEP, Mianyang 621900, China
    2.Institute of Technical Physics, College of Science, National University of Defense Technology, Changsha 410073, China
    3.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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