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tnt装药
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  tnt charge
     AN EXPERIMENTAL STUDY ON THE SENSITIVITY OF TNT CHARGE WITH AIR HOLE UNDER DYNAMIC LOAD
     动载荷下含空气泡的TNT装药安全性能的实验研究
短句来源
     EFFECT OF THE EXISTENCE OF CAVITIES IN A TNT CHARGE UPON ITS LAUNCHING SAFETY
     TNT装药疵孔对发射安全性的影响
短句来源
     The launching safety of TNT charge having cavities has been studied by use of simulation devices.
     利用室内模拟装置研究了带疵孔TNT装药的发射安全性。
短句来源
     For the numerical calculation, a two-phasephysical model of TNT charge and real air is established. Using the Lagrangian partial differentialequations of one dimensional unsteady plane flow,the spatial distribution of the pressure on theshot cavity and the change of the pressure on the ground surface with time are given.
     在理论计算上,建立了TNT装药和真实空气双介质物理模型,利用一维不定常平面流动拉格朗日型偏微分方程组求解,给出了爆腔压力空间分布和地面压力随时间的变化结果。
短句来源
     Based on results of radiate hydrodynamic and TNT charge hydrodynamic blast wave calculations, the physical characteristic in close in and distance regions of two kinds of explosions and the development of different blast wave systems are studied. Some important conclusions for protection engineering are obtained.
     文章根据高能量密度爆炸的辐射流体动力学计算与TNT装药爆炸计算的结果 ,对二类爆炸波系的形成发展 ,爆炸近区、远区的物理特征和爆炸作用物理模拟问题进行了研究 ,得出了对防护工程比较重要的几点结论。
短句来源
  “tnt装药”译为未确定词的双语例句
     Study on the biodegradation of TNT packing wastewater by white rot fungi
     白腐真菌生物降解TNT装药废水的研究
短句来源
     Experimental results show that the deflection of plate subject to 1~(#)FAE becomes larger than that of RDX/TNT with same mass when the distance becomes longer than 3.8 m.
     结果表明,1#云爆弹在炸距3.8 m之后靶板的变形挠度大于同药量的RDX/TNT装药,在炸距3.8~4.2 m之间的TNT当量约为2.0;
短句来源
     Calculations for blast wave of sphericalTNT charge with shock fitting technique
     瞬时爆轰TNT装药爆炸计算方法
短句来源
     LAGRANGIAN ANALYSIS OF THE DYNAMIC CONSTITUTIVE RELATIONS OF CAST TNT
     TNT装药(注装)动态力学响应特性研究
短句来源
     The normal ranges of sensitivity of standard TNT have been set up by statistical analyses.
     分析了TNT装药小型落锤试验结果的合理性与存在问题。
短句来源
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  相似匹配句对
     Study on the biodegradation of TNT packing wastewater by white rot fungi
     白腐真菌生物降解TNT装药废水的研究
短句来源
     Calculations for blast wave of sphericalTNT charge with shock fitting technique
     瞬时爆轰TNT装药爆炸计算方法
短句来源
     A STUDY ON MODIFIED TNT COMPOSITES
     TNT的改性研究
短句来源
     The jet sensitivity of TNT.
     文中给出了TNT.
短句来源
     THE EFFECT OF DECOUPLING CHARGING
     不耦合装药的作用
短句来源
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  tnt charge
In a TNT charge the hot spots had a diameter of 0.4 mm, and in RDX-0.35 mm.
      
Initiation of detonation in hydrogen-Air mixture by explosion of a spherical TNT charge
      
Direct initiation of detonation by explosion of a TNT charge in a hydrogen-air mixture is considered.
      
Results of experimental investigations of the action of a coastal surface explosion of a 1000‐ton TNT charge on the environment are presented.
      
The results show that the effect of the FAE explosion at 3-6 m from the explosion center is definitely more pronounced than that of a TNT charge of the same mass, and solid fuels are more effective than liquid-solid fuels.
      
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The purpose of this paper is to present a method of studying the shock to Deflagration to Detonation Transition (SDDT) in condensed explosives by the modified gap test combined with the aquarium technique. The SDDT curve of pressed TNT with 1.615g/cm2 density was measured by the method presented.The burn threshold psb and the detonation threshold pgd of the pressed TNT were thereby determined from the curve and they are 2.1GPa and about 2.5-3.0GPa respectively, which are in good agreement with that published...

The purpose of this paper is to present a method of studying the shock to Deflagration to Detonation Transition (SDDT) in condensed explosives by the modified gap test combined with the aquarium technique. The SDDT curve of pressed TNT with 1.615g/cm2 density was measured by the method presented.The burn threshold psb and the detonation threshold pgd of the pressed TNT were thereby determined from the curve and they are 2.1GPa and about 2.5-3.0GPa respectively, which are in good agreement with that published in literature.From experimental data a series of shock or deflagration or detonation wave profiles were calculated by using the hy-drodynamic characteristics method. These wave profiles illustrate the essential character of SDDT in condensed explosives because the wave profile contours show the evolution of the shock initiation process clearly and some characteristic parameters might be defined from these profiles. The information obtained from presented method is useful to explosive applications and shock initiation studies.

本文报告厂将“水箱技术”同改型隔板试验结合起来研究凝聚炸药由冲击波经爆燃向爆轰转变(SDDT)的方法。实测了压装TNT(装药密度1.615g/cm~3)的SDDT曲线,并确定了其燃烧阈值和爆轰阈值(分别为2.1GPa和2.5-3.0GPa)。按照流体动力学特征线法计算了不同强度起爆冲击波作用下在炸药中形成的一系列冲击波、爆燃波和爆轰波的剖面,这些剖面反映了炸药SDDT的基本特征。所取得的信息对于炸药的实际应用和对冲击波起爆的深入研究均有价值。

The launching safety of TNT charge having cavities has been studied by use of simulation devices. The experimental results have shown that through a comparison of cavity diameters and the number of cavities, the former has shown a marked influence on the stress values of 50% explosion probability. Bcsides, when the cavity diameter is fixed the total area of cavities similarly affects the stress values. This provides an explanation to the facr that limitations must be set on the area of any individal cavity and...

The launching safety of TNT charge having cavities has been studied by use of simulation devices. The experimental results have shown that through a comparison of cavity diameters and the number of cavities, the former has shown a marked influence on the stress values of 50% explosion probability. Bcsides, when the cavity diameter is fixed the total area of cavities similarly affects the stress values. This provides an explanation to the facr that limitations must be set on the area of any individal cavity and the summation of areas of a number of cavities in the specifications of filling for howitzer shells.

利用室内模拟装置研究了带疵孔TNT装药的发射安全性。试验表明,当比较疵孔直径和疵孔数的作用时,孔径大小对50%爆炸概率的应力值影响极大。除此以外,当孔径不交时,疵孔的总面积也有较大的影响。这恰好说明了为什么榴弹装药技术要求中要对任意一个疵孔面积和小疵孔的总面积作出严格的规定。

The long-duration blast wave action using a plane charge is an effective testmethod to study the propagation of plane waves in soil and the mutual action of soil medium onstructure. In this paper,the process of blast wave action using a plane charge is investigated bynumerical calculation and large scale outdoor tests. For the numerical calculation, a two-phasephysical model of TNT charge and real air is established.Using the Lagrangian partial differentialequations of one dimensional unsteady plane flow,the...

The long-duration blast wave action using a plane charge is an effective testmethod to study the propagation of plane waves in soil and the mutual action of soil medium onstructure. In this paper,the process of blast wave action using a plane charge is investigated bynumerical calculation and large scale outdoor tests. For the numerical calculation, a two-phasephysical model of TNT charge and real air is established.Using the Lagrangian partial differentialequations of one dimensional unsteady plane flow,the spatial distribution of the pressure on theshot cavity and the change of the pressure on the ground surface with time are given. After solving many technical difficulties on the simulation of high-overpressure by a plane charge in theoutdoor tests,the pressure loading of 45Mpa is obtained. By comparing the results of numericalcalculation with the measured values of the tests,the conclusion indicates that the oscillatingcharacteristics of the waveform and attenuation profile of the pressure versus time is in good accord with the test results. So,it shows that using a plane charge to simulate the high-Overpressureand long-duration blast wave action is a practical,effective and reliable method in engineeringapplication.

平面装药长持续时间爆炸作用是一种有效的试验手段,对土中平面波传播和土介质与结构相互作用的研究具有十分重要的意义。从理论计算和大型野外试验两个方面对平面装药爆炸作用过程进行了深入研究。在理论计算上,建立了TNT装药和真实空气双介质物理模型,利用一维不定常平面流动拉格朗日型偏微分方程组求解,给出了爆腔压力空间分布和地面压力随时间的变化结果。在野外试验中,克服了平面装药模拟高超压作用的许多技术困难,实现了高达45MPa的压力加载。文中将理论计算和野外试验结果进行了综合比较,结果表明压力波形的振荡衰减特征完全一致,从而证明了平面装药模拟高超压长持续时间爆炸作用是完全可以实现的有效而可靠的手段。

 
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