He had a tommy gun slung muzzle down over his left shoulder. 他左肩倒挂着一支冲锋枪。
This research result can provide a reliable basis for feasibility demonstration of the gun test machine with muzzle impact device. 研究结论为炮口冲击式火炮试验装置的可行性论证提供了可靠依据。
Muzzle Flow Field Simulation of Gun with a Muzzle Attachment 带炮口装置时某火炮膛口流场数值仿真
Precision fire of AA gun must accurately confirm and correct muzzle velocity deviation and adjustment. 高炮要准确射击必须准确确定和修正初速偏差量。
The study of projectile exited from the gun muzzle passive velocity measuring method 弹丸炮口被动测速方法的研究
The three-dimensional compressible flow equations were solved using the Osher's scheme. The flow phenomena of a gun's muzzle were calculated and analyzed. 用Osher格式求解三维、可压缩流动方程组,计算和分析了某火炮膛口气流现象。
A model of the normal shock igniting of the secondary gun muzzle flash 炮口二次燃烧的正激波点火模型
The variance analysis method is used to process a lot of test data by gun shooting. The influence of the initial random parameters of interior ballistics on the maximum pressure and probable error of muzzle velocity is studied by the statistic analyse. 利用靶场提供的大量试验数据,用统计学中的方差分析法,对内弹道过程中一些初始参量在随机波动时对最大膛压和初速或然误差影响的显著性进行了统计分析。
Discussion about Equally Fired Round and Erosion of Rifled Bores Tank Gun Determination of Muzzle Velocity Loss by Law of Bore Wear 线膛坦克炮内膛烧蚀磨损规律与等效发射弹数对应关系
The study of methods for suppressing gun muzzle flash 炮口焰抑制方法研究
The ADAMS and MATLAB software is used to establish a model of a twin-tube gun and to simulate the gun coupling firing process. Based on the joint simulation, the optimal firing interval of the two tubes is given to avoid the aerodynamic influence of the muzzle areas. 该文应用ADAMS和MATLAB两大软件平台,建立了某双管火炮的虚拟样机联合仿真模型,并进行了双管耦合发射动力学联合仿真。对大鼠体重的影响,与生理盐水对照组比较无明显差异。
Based on the theory of potential equilibrium in interior ballistics, this paper presents a new method for the prediction of propellant peak pressure in a gun barrel and of the muzzle velocity, applying closed bomb tests. 根据内弹道势平衡理论,建立了用密闭爆发器试验模拟发射药最大膛压和初速的方法。
Transient Impact Response Analysis for Cab of Truck-mounted Howitzer Under Gun Muzzle Blast Waves 某车载榴弹炮车身在炮口冲击波作用下动态响应分析
Solitary Wave Solution of Gun Muzzle Temperature Field Based on Chemical Reaction 基于化学反应的膛口温度场孤立波解
The reliability in bullet flying is evaluated by the expectation of success probability of flying bullet after it flies away from the gun muzzle. This is a method as an evaluation of the reliability of naval ordnance. 本文利用弹头飞离炮口后,飞行弹头成功率的数学期望来评价弹头飞行过程的可靠度,以此来作为评价舰炮可靠性的一种方法。
Gun muzzle flow field is produced by high speed, less expanded and nonstationary jet. 膛口流场是由从膛内高速流出的膨胀不足的非定常射流与膛口空气的相互作用而形成的。
This paper gives the straggling and monotonic principle dealing with the stochastic process of gun pressure. As an example, the muzzle safty of a fuze S& A system is analyzed, and the analogue computation results are also discussed and compared with experimental data. 根据给出的处理膛压随机过程的离散-单调性原则,对某引信S&A系统的炮口安全性进行了分析,并将模拟计算结果与试验结果进行了比较和讨论。
Study on Measurement and Experiment of Gatling Gun Muzzle Vibration 转管机枪膛口振动位移的测试
Gun recoil force reduction technology mainly include out-of-battery, superlong and tandem superlong recoil, 2D recoil, muzzle braking, rarefaction wave gun and electromagnetic rheologic fluid etc. 降低火炮后坐力技术主要有前冲技术、超长和串联超长后坐技术、二维后坐技术、炮口制退器技术、膨胀波减小后坐力技术和电(磁)流变技术。
When magnetic flux leakage ( MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises. 采用漏磁法对炮管进行无损检测时,漏磁信号中含有噪声。
Study on Effect of Deterrents on Gun Muzzle Smoke 钝感剂对发射药枪口烟雾特性影响的研究
Comparative studies on the biological effects of chemical explosion blast waves and gun muzzle blast waves 化爆冲击波和炮口冲击波对生物致伤效应的对比研究
To analyze gun's natural frequency, the paper calculated and discussed the different simplifying methods of muzzle brake on how to affect the computed value of the model and get the best model for this analysis. 针对火炮的固有频率分析,论文主要讨论了制退器的简化方法对计算结果的影响并建立火炮固有频率分析的最佳有限元计算模型;
Statistical and optimal analysis of the vibration model of gun muzzle 火炮炮口振动模型的统计与优化分析
The small caliber gun system achieves the high destructive possibility on target, by means of the rapid setting fuzes during muzzle exit. 小口径速射炮系统,通过炮口快速装定,达到对目标更高的毁伤概率。
The problem of gun erosion is getting more and more serous because of increasing high chamber pressure, high muzzle velocity and high firing rate. So, tube life is faced to enormous challenges. 不断提高的高膛压、高初速和高射速指标,使得武器身管的烧蚀问题日趋严重,使用寿命面临巨大挑战。
As for one specific gun ammunition system, by use of the established mathematical models the curve of the bore wearing, the muzzle velocity reduction related to that kind of curve and the weight coefficient at each section of that curve can be simulated. 对于某一火炮弹药系统,利用建立的数学模型可模拟出炮膛磨损曲线及每一条曲线所对应的初速减退量、曲线上各段的权重系数。