The property of shock weakening of open-cellular Al foams has been experimentally investigated with a compressed-air gun.
在轻气炮试验装置上对开孔泡沫铝的冲击衰减特性进行了试验研究 ,得出了在冲击波加载条件下开孔泡沫铝中的冲击波压力及波速随距离的变化关系曲线。
To pulse fluctuation,use pulse attenuation to eliminate the effect;to stabilize temperature,construct temperature compensation control system;to pressure control,adopt differential pressure adjustment technology;to distributing control in cross-machine direction quantity,employ dilute water adjustment technology.
分析了水力式流浆箱的作用机理及影响其稳定运行的各种干扰因素,给出了相应的解决方法:对进浆脉冲压力波动,采用脉冲衰减器来消除影响;对稳定浆料温度,建立起温度补偿控制系统;对影响纵向定量的总压控制,采用差压调节技术;而对横向定量分布的控制,采用稀释水调节技术,以满足定量要求。
On the basis of soil disc model,a new engineering analytical method on penetration problem is developed, by taking the shock attenuation effect into account and improving the calculation of floating lock strain.
在土盘模型的基础上,通过计入冲击波衰减的影响及改进浮动锁应变的计算,发展了一种对贯穿问题的新的工程分析方法。
The Shock Wave Attenuation and Anti-detonation Property of Aluminum Foam;
泡沫铝的冲击波衰减和抗爆震特性研究
Research and application of attenuation law about gas explosion shock wave in coal mine
煤矿瓦斯爆炸冲击波衰减规律研究与应用
Shock Wave Attenuation Properties of UHMWPE Fiber Reinforced Polyurethane Foam Plastics
UHMWPE纤维增强聚氨酯泡沫对爆炸冲击波衰减性能的影响
And the anti-blst properties of three glass fiber reinforced composites have been studied by piezoelectric sensor.
试验结果表明,玻纤复合材料对爆炸冲击波衰减作用的大小与基体材料的阻尼特性有关。
Studies on Shock Mechanisms of Propagation and Attenuation in Laser Propulsion;
激光推进中冲击波传播与衰减机理研究
The result shows that composites have better anti-blast properties when they have matrix with better damping properties.
基体材料的阻尼性能越好,复合材料对冲击波的衰减作用也就越好。
Numerical simulation for spread decay of blasting shock wave in different media
爆炸冲击波在不同介质中传播衰减规律的数值模拟
Numerical simulation on propagation and attenuation of shock waves in simplex turn roadway during gas explosion
瓦斯爆炸冲击波在单向转弯巷道内传播及衰减数值模拟
Research of the Attenuation Rule of the Water Shock Wave Effect for Underwater Drilling Blasting
水下钻孔爆破水击波衰减规律的研究
Failure Mechanisms of Ballistic Resistant Material and Decay of Its Fibers;
防弹材料冲击破坏机理及其纤维的衰减规律
This paper presents a method of characteristics to calculate the structure of the detonation wave in condensed explosive by the decay shock curve data obtained in the aquarium test.
提出了一种利用爆轰波垂直入射时水中冲击波的衰减曲线计算凝聚炸药爆轰波剖面的特征线方法。
The Study of Technology Measure on Eliminating the Supercritical Shock Wave of Spillway;
溢洪道弯道急流冲击波消减技术措施研究
Effect of structure and composition on ultrasonic attenuationand velocity of polymer has been studied by pulse-echo method.
用脉冲回波法测定了甲基丙烯酸酯类共聚物的超声衰减与声速。
Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials--Pulse-tube method
GB/T5266-1985水声材料纵波声速和衰减的测量脉冲管法
rotary waveguide variable attenuator
旋转波导可变衰减器
microwave attenuation in clouds and precipitation
云和降水中的微波衰减
shock wave induced by flyer impact
飞片撞击产生冲击波
Attenuation of P,S and coda waves in Longtan reservoir region
龙滩水库地区P波、S波和尾波衰减