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非均质炸药
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  heterogeneous explosives
     Study On Shock Initiation Parameters in the Critical Initiation Criterion of Heterogeneous Explosives
     非均质炸药冲击起爆临界判据中起爆参数的研究
短句来源
     Numerical Simulations of Detonation in Heterogeneous Explosives in a CTVD Scheme
     CTVD格式数值计算非均质炸药爆轰问题
短句来源
     In the paper, a mesomechanic reaction model of heterogeneous explosives under shock wave is established on the basis of Kibong Kim.
     对Kim提出的非均质炸药冲击起爆的弹粘塑性球壳塌缩模型进行改进,建立了非均质炸药冲击起爆的细观化学反应动力学模型。
     A mesomechanic reaction model of heterogeneous explosives under shock wave is established on the basis of Kibong Kim's model, in which "hot spot" is formed as a result of the elastic-viscoplastic collapse induced by shock, while the growth stage starts from an inner combustion and is followed by an outer surface grain combustion.
     选择以微孔洞弹粘塑性塌缩形成的热点为主的热点形成机制,对Kim提出的反应模型进行改进,建立了非均质炸药在冲击波作用下的细观化学反应动力学模型:由于空穴塌缩而发生点火,增长阶段是从内向外的表层燃烧和从外向内的颗粒燃烧。
短句来源
     A simple and practical high-resolution shock-capturing numerical scheme,CTVD, is applied to numerical simulation of detonation in heterogeneous explosives,in which Lee-Tarver's ignition and growth model is employed,and JWL(Jones-Wilkins-Lee) equation of state is used to both unreacted explosives and reacted gas product.
     将高分辨率激波捕捉格式CTVD格式拓展应用到非均质炸药爆轰的数值模拟问题. 增加了化学反应率控制方程,引入LeeTarver点火成长模型,未反应的固体炸药和化学反应气体产物都使用JWL形式状态方程.
短句来源
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  heterogeneous explosive
     CRITICAL CRITERION FOR SHOCK INITIATION OF HETEROGENEOUS EXPLOSIVE
     非均质炸药冲击起爆的临界判据研究
短句来源
  “非均质炸药”译为未确定词的双语例句
     Modeling Shock Initiation and Detonationg Wave Detouring in Solid Heterogonous Explosive
     非均质炸药起爆、传爆过程的数值模拟研究
短句来源
     In order to explain shock-to-detonation transition of heterogeneous solid explosives, several kinds of "hot-spot" formation mechanism and phenomenological models of shock initiation are investigated in this paper.
     在本文中,为了研究非均质炸药的起爆性能,对几种热点形成机制以及目前常用的宏观反应速率模型进行分析、对比。
短句来源
     It is studied that how much energy of the primary hydrodynamic shock is transmitted into the explosive by flying-plate or projectile impact and the variation of the high-pressure region on the.
     分析了冲击引爆过程,研究了非均质炸药受冲击时飞片(或杆)传速给炸药的能量和加载面处高压区域的演化。
短句来源
     The pressure evolution observed in JB9014 at -54 ℃ shows homogeneous initiation mechanism,by comparison,these observed in JB9014 at ambient temperature show a combination of homogeneous and heterogeneous initiation mechanism.
     在 - 54℃下压力场的发展图像揭示出JB90 14炸药遵循均质炸药起爆机理 ,而常温下的这种图像表明其兼备均质和非均质炸药起爆机理 ; 在 - 54℃下JB90 14炸药的冲击感度比常温下低得多 ;
短句来源
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  heterogeneous explosives
The number defining the realization of the hot spot mechanism on detonation of heterogeneous explosives
      
A physical model is proposed for the reaction kinetics of heterogeneous explosives under shock-wave initiation of detonation.
      
Excitation of a detonation in heterogeneous explosives by shock waves
      
Shock-wave initiation of solid heterogeneous explosives
      
Characteristics of the initiation of heterogeneous explosives by a diverging detonation of a thin donor charge
      
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  heterogeneous explosive
By introducing liquid NM+15% (by weight) DETA into densely packed beds of solid spherical glass beads 66μm to 2.4 mm in diameter, a highly heterogeneous explosive mixture is obtained.
      
Heterogeneous explosive decomposition in a weak shock wave
      
The effect of an intert high-modulus ceramic wall on detonation propagation in charges of a solid heterogeneous explosive was investigated experimentally and numerically.
      
As the distance increases, in heterogeneous explosive mixtures with HMX a comparatively low-velocity wave smoothly changes to stationary detonation of the composition as a whole.
      
A one-stage detonation macrokinetics model of a low-sensitivity heterogeneous explosive is considered.
      
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Effects of the composition and density of HNS explosive,flyer diameter, and its thickness on the shock initiation threshold sensitivity, have been investigated by means of an electric gun device. By analyzing the depen--dence of P-T curve on the flyer diameter and its thickness, some initiation characteristics of heterogeneous explosives by a short duration shock with small loading area have been given.

用电炮装置研究了炸药的配方、密度、飞片的直径和厚度对HNS炸药冲击引爆感度的影响,分析了炸药阈值引爆p—τ曲线的行为与飞片直径和厚度的关系,从而得出非均质炸药小面积、短脉冲冲击引爆的某些特性。

The response of a high energy modified double-based propellant to shcok loading is studied and compared to that of the high explosives . The initiation , detonation , chemical reaction induced by shock waves and the shock growth of the propellant seem to be similar to that of heterogeneous high explosives . The reactions of the propellant components , HMX , NC , NG and AP , seem to carry on independently .The critical initiation pressure of the propellant is 1.1GPa, being rather hazardous .

研究了改性双基推进剂冲击波响应过程,其中包括冲击波起爆、爆轰、冲击波成长及化学反应等,并与高能炸药进行了比较。结果表明,改性双基推进剂具有与非均质炸药相似的冲击波起爆、爆轰及冲击波成长过程;临界起爆压力为1.1 GPa具有较大的危险性。

In this paper, reactions of double-base (DB), high energy modified double-base (HMDB) and two composite propellants are studied and shown to be similar to that of heterogeneous high explosives. In these propellants, the explosive components react independently and the diffusion of products can be ignored. The reactions of the two composite propellants, whose binders are thiokol and hydroxy terminated polybutadine (HTPB) respectively, differ greatly from those of DB and HMDB propellants. The reactions of these...

In this paper, reactions of double-base (DB), high energy modified double-base (HMDB) and two composite propellants are studied and shown to be similar to that of heterogeneous high explosives. In these propellants, the explosive components react independently and the diffusion of products can be ignored. The reactions of the two composite propellants, whose binders are thiokol and hydroxy terminated polybutadine (HTPB) respectively, differ greatly from those of DB and HMDB propellants. The reactions of these propellants proceed in three stages. In the first stage, the binder and ammonium perchlorate (AP) react independently and the products of AP also react with that of the binder and aluminum powder (Al). At the end of this first stage, under the high shock pressure the binder bacomes a viscous liquid, covers the AP crystal surface and hinders the reaction of AP. For this reason, there is a short intervening reactionless stage. After this the decompositions of the binder and AP restart and the reaction of the products of AP with those of the binder and Al proceed again.

本文把基于拉氏量计和拉氏分析技术得到的反应度、反应速率、体积能量释放速率、化学能释放速率等量的变化过程作为描述固体推进剂在冲击波作用下化学反应过程的物理量,研究了双基推进剂、改性双基推进剂、聚硫复合推进剂和丁羟复合推进剂在不同压力冲击波作用下的化学反应过程;并基于组分实验等结果,进一步分析了这些推进剂中各组分的化学反应过程。实验和计算结果表明,双基和改性双基推进剂的化学反应过程与非均质炸药相类似,复合推进剂则有明显不同的特征。

 
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