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cast tnt
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  注装tnt
     THE EFFECT OF THE CONFINEMENT CONDITION UPON THE CORNER EFFECT IN CAST TNT
     约束条件对注装TNT中拐角效应的影响
短句来源
     With these apparatus,the normal particle velocity of cast TNT (p = 1.60g/cm3) is measured to be uc j=1.65±0.05 mm/us,The particle velocity and stress in a explosive-loaded plexiglass is obtained preliminarily.
     用电磁法测定了注装TNT(密度1.60克/厘米~3)炸药的u_(c-1)为1.65±0.05毫米/微秒。 初步测定了炸药加载时有机玻璃中质点速度和应力。
短句来源
     By selecting Bodner Perzyna constitutive model as the constitutive equation for cast TNT fitting the parameters of Bodner Perzyna constitutive model and the cast TNT constitutive equation is obtained.
     选择 Bodner-Perzyna本构方程作为注装 TNT的本构模型 ,由拉格朗日分析结果拟合出了 Bodner-Perzyna本构模型的参数 ,得到了注装TNT的本构方程。
短句来源
     Describes experiments about the dynamic response of cast TNT by a light gas gun.
     利用一级轻气炮实验技术 ,对注装 TNT装药进行了高应变率下的动态冲击实验 ,根据实验数据 ,获得了注装 TNT装药的 Murnaghan状态方程和冲击 Hugoniot参数。
短句来源
  铸装tnt
     For cast TNT (p0= 1.60g/cm3 ),the unreacted shock Hugoniot obtained is as U1=2.70 + 1.38 u (U1≥4.08mm/μs); U1=2.26 + 1.82u(U1<4.08mm/μs). The accuracy of the result is similar to that in the wedge method.
     对于铸装TNT(ρ_0=1.60g/cm~3)的未反应冲击Hugoniot关系为: U=2.70+1.38u (U≥4.08mm/μs) U=2.26+1.82u (U<4.08mm/μs)
短句来源
     MEASUREMENT OF UNREACTED SHOCK HUGONIOT OF CAST TNT
     铸装TNT炸药未反应冲击Hugoniot关系的测量
短句来源
     THE NUMERICAL MODELING OF DETONATION PROPERTIES OF CAST TNT
     铸装TNT爆轰性能的数值模拟
短句来源
     MEASUREMENT OF THE TEMPERATURE OF SURFACE HOT SPOTS IN CAST TNT
     铸装TNT炸药表面热点温度的测量
短句来源
     Referring to the data of reaction rate and JWL equation of state reported by Lee E L and Tarver C M,wave computed detonation wave structure and numerically modeled the shock initiation and detonation proceeding around the corner of cast TNT by using the 2D Lagrange FCM code.
     参照LeeEL等报道的有关铸装TNT的JWL形式状态方程及化学能释放率函数,从理论估算了不同反应率的定态雨贡纽关系和定常爆轰波结构;
短句来源
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  “cast tnt”译为未确定词的双语例句
     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
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  cast tnt
Possibility of decomposition of cast TNT in a shock
      
Kinetics of the decomposition of cast TNT in shock waves
      
The latter is likely to be the case in homogeneous materials, such as melt cast TNT.
      
The model qualitatively explains the anomalous behavior of melt cast TNT grains in closed-bomb tests.
      
The delay can be attributed to the small density of germ nuclei in melt cast TNT.
      
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In this paper,the authors describe the applications of electromagnetic method in mechanics of explosion,and review the recent foreign research development.The authors also describe the fundamental principles of measuring detonation parameters such as particle velocity of detonation products,sound speed,width of reactive zone,etc,A suite of magnetic measuring instrument except osillographes was designed and constructed.With these apparatus,the normal particle velocity of cast TNT (p = 1.60g/cm3) is measured...

In this paper,the authors describe the applications of electromagnetic method in mechanics of explosion,and review the recent foreign research development.The authors also describe the fundamental principles of measuring detonation parameters such as particle velocity of detonation products,sound speed,width of reactive zone,etc,A suite of magnetic measuring instrument except osillographes was designed and constructed.With these apparatus,the normal particle velocity of cast TNT (p = 1.60g/cm3) is measured to be uc j=1.65±0.05 mm/us,The particle velocity and stress in a explosive-loaded plexiglass is obtained preliminarily.A new method of two step-probes in series is proposed which may estimate the particle and shock velocity simultaneously,

概述了电磁法在爆炸力学中的应用及国外电磁法研究进展概况。介绍了电磁法测爆轰参数u_(c-1)(p_(c-1)),c_(c-1),a_0(反应区宽度)和材料的动态参数u(质点速度),σ(应力)等基本原理。设计并制作了一套磁头直径φ150毫米,磁隙宽120毫米,磁感应强度为2300高斯的磁场装置。用电磁法测定了注装TNT(密度1.60克/厘米~3)炸药的u_(c-1)为1.65±0.05毫米/微秒。初步测定了炸药加载时有机玻璃中质点速度和应力。新提出一种两台阶传感器串连方法联合测定质点速度和冲击波速度,从而可测定材料的状态方程。

We have measured the unreacted shock Hugoniot of cast TNT by the te-chniques of manganin gauge and streak camera.The advantage of this method is that the experimental systems are simpler.For cast TNT (p0= 1.60g/cm3 ),the unreacted shock Hugoniot obtained is as U1=2.70 + 1.38 u (U1≥4.08mm/μs);U1=2.26 + 1.82u(U1<4.08mm/μs).The accuracy of the result is similar to that in the wedge method.

本文利用锰钢压力计技术,高速转镜狭缝扫描技术测量了铸装TNT炸药未反应的冲击Hugoniot关系。该方法的优点是简单、易于实现。测试精度和楔形实验法相近。对于铸装TNT(ρ_0=1.60g/cm~3)的未反应冲击Hugoniot关系为: U=2.70+1.38u (U≥4.08mm/μs) U=2.26+1.82u (U<4.08mm/μs)

The theory of hot spot formation in detonation is a very interesting topic. There are enormous articles discussing about the mechanism of hot spot formation, criterion of intiation and numerical modelling etc. Meanwhile. we have not see any paper published about the experimental measurement of the temperature of hot spot. In this paper, the principle and method of measuring the temperature of surface hot spots in cast TNT after shock loading are described. The measured average surface hot spot temperature...

The theory of hot spot formation in detonation is a very interesting topic. There are enormous articles discussing about the mechanism of hot spot formation, criterion of intiation and numerical modelling etc. Meanwhile. we have not see any paper published about the experimental measurement of the temperature of hot spot. In this paper, the principle and method of measuring the temperature of surface hot spots in cast TNT after shock loading are described. The measured average surface hot spot temperature isT = 3642 .2 K This temperature is higher than that behind the shock wave in the explosive (400K) or the air shock wave-1300K in front of the explosive. We calculated that the temperature of the shocked air in the half-closed cavity on the surface was 4100K which was approximately in accord with the measured value, so we conclude that it is the average temperature of surface hot spots.

非均匀炸药冲击起爆的热点理论一直是爆轰物理中,人们普遍关心的课题之一。本文对热点温度实验测量工作进行了尝试,叙述了用多通道光学高温计测量非均匀炸药表面热点温度的原理及方法。用实验方法得到在3.44GPa左右的冲击压力下,铸装TNT炸药表面热点温度约为3640K。

 
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