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Characteristic Curve Method for Movement of Flyer Driven by TNT and Emulsion Explosives with General Equation of State
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Xiao-Jie LI1, Chun-Feng ZHAO1, 2, Na YU3, Ning LUO1
Chinese Journal of High Pressure Physics | 2012, 26(4) : 462 - 468
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Chinese Journal of High Pressure Physics | 2012, 26(4): 462-468
Characteristic Curve Method for Movement of Flyer Driven by TNT and Emulsion Explosives with General Equation of State
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Xiao-Jie LI1, Chun-Feng ZHAO1, 2, Na YU3, Ning LUO1
Affiliations
  • 1.State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China
  • 2.Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
  • 3.Dalian University of Technology, Dalian 116024, China
Published: 2012-08-15
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On the basis of explosion gas dynamics, the movement of flyer plate is studied using characteristic curve difference method in this paper. In the process of difference, the basic assumption of steady detonation is used to study the law of flyer plate movement. According to the theory of two-dimensional steady flow, the compatibility relationship of characteristic curves is derived which belongs to general equation of state, with Mach number taking the place of the density of detonation gas. The movement parameters of flyer plate accelerated by TNT and emulsion explosives are calculated by the difference programs of characteristic curve. In addition, the flying postures of flyer plates driven by the two kinds of explosives at different mass ratio are also analyzed and compared with the calculated results by Ritchter's formula in terms of its accuracy.

steady flow  /  general equation of state  /  characteristic curve  /  flying posture
李晓杰, 赵春风, 于娜, 罗宁. TNT炸药和乳化炸药驱动飞板的通用状态方程特征线法研究. 高压物理学报, 2012 , 26 (4) : 462 -468 .
Xiao-Jie LI, Chun-Feng ZHAO, Na YU, Ning LUO. Characteristic Curve Method for Movement of Flyer Driven by TNT and Emulsion Explosives with General Equation of State[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (4) : 462 -468 .
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  • Receive Date：2010-11-23
  • Online Date：2026-11-05
  • Published：2012-08-15
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History
  • Received：2010-11-23
  • Revised：2011-04-11
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Affiliations
    1.State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China
    2.Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
    3.Dalian University of Technology, Dalian 116024, 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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