Engineering application of detonation wave igniter on hydrogen-oxygen aerospike nozzle engine;
爆震波点火器在氢氧塞式喷管的工程应用
Effects of fuel-supply position on detonation waves and working frequency in an aero-valve pulse detonation engine
气动阀式脉冲爆震发动机供油位置对爆震波峰值压力和频率的影响
Using time operator splitting technique and weighted essentially nonoscillatory(WENO) schemes to simulate detonation with detailed chemical reaction,we obtain its unique and regular detonation wave cellular structure.
通过对带有详细化学反应的爆震波进行数值模拟,获得了独特规则的胞格结构,描述了胞格的特点及其形成的原因,胞格的长宽比和以往的实验和计算结果基本一致。
Influence of riverway on transmission of blasting seismic wave;
河道对爆破地震波传播规律的影响分析
A nonlinear dynamic analysis of the frame structure and foundation interaction under the action of blasting seismic waves;
爆破地震波作用下框架结构与地基共同工作的非线性动力分析
It simulated the generating process of blasting earthquake,and obtained the acceleration time history curve of certain region in some distance of explosion hole which is namely blasting earthquake wave.
建立了岩石深孔爆破的有限元模型,对爆破地震的产生过程进行模拟,获得距爆孔一定距离范围内某区域的加速度时程曲线,即爆破地震波;在此基础上,将所取得的爆破地震波输入地基、基础与框架的协同工作体系,对爆破地震波作用下框架与地基基础协同工作的反应进行了非线性动力时程分析。
This thesis carried out research about the production of blasting earthquake wave and its influence to fr.
但是爆破法带来高经济效益的同时,爆破公害对环境的影响日显突出,如爆破地震波在地质材料中的传播及对地下结构的作用,往往引起结构不同程度的损伤。
An empirical formula of calculating the vibrating intensity of explosive seismic wave is introduced, the adverse effect of vibrating intensity to underground structures is analyzed, and the safisfactory effectiveness when it is applied to the Daye Iron Mine is also introduced.
本文介绍了常用的预测爆破地震波振动强度的经验公式 ,振动强度对地下构筑物破坏效应分析 ,以及它们在大冶铁矿的应用所取得的良好效果。
and the analysis of attenuation,frequency and duration,the propagation characteristics of explosive seismic wave in arenaceous soil are obtained.
文章根据沈阳宾馆拆除爆破等工程测得的爆破振动数据,经过对地震波幅值、频率和持续时间的分析,得出了爆破地震波在砂土层中传播的特性规律,对确定在类似传递介质中的爆破振动极限值具有借鉴意义。
On the basis of the measured data of explosive vibration in the Lijiaxia engineering blasting, the attenuation law of surfacial peak values of the explosive seismic wave is investigated, the relationship between particle acceleration or its frequence and dose or its distance is obtained, the infuence of fanlt on amplitude and frequency of explosive seismic wave is analyzed.
本文根据李家峡工程爆破震动实测数据 ,研究了在该条件下爆破地震波地表峰值强度的衰减规律 ,得出质点和速度及其频率与药量和距离间的关系式 ;分析了断层对爆破地震波幅值和频率等的影响 ;还研究了爆破地震波在岩体内部传播的规律与特征 ,并与地表波进行比较。
Investigation on the influence of transition section on diffraction of detonation
过渡段对爆震波衍射过程的影响分析
The blast wind has then effectively ceased and the direct destructive action of the air blast is over.
爆震风已有效地停止了,于是空中爆震波的直接破坏作用就完结了。
Numerical investigation of obstacle influence on detonation initiation via shock
障碍物对激波触发爆震波影响的数值研究
As the depth of burst increases, the amount of energy going into the air blast wave decreases.
随着爆炸深度的增加,转化为空中爆震波的能量便减少。
Illustrations of the destruction caused to ships by air blast from a nuclear explosion are presented in Chapter V.
关于核爆炸空中爆震波对船只造成的破坏,将在第五章说明。
This figure shows four stages in the outward motion of the spherical blast originating from an air burst.
图中表明空中爆炸时发生的球形爆震波向外移动的四个阶段。
When the blast wave expands, it breaks the bubbles and thereby loses energy.
爆震波扩张时,会由气泡吸收,因而丧失能量。
Large gas holders were ruptured and collapsed by the crushing action of the blast wave.
大型瓦斯罐由于受到爆震波的压挤破裂倒塌了。
To decrease or eliminate airborne shock waves from(an explosion)by having it take place underground.
减低震波通过在地下爆炸来减弱或消除(爆炸)在空中的震波
Analysis of the Influence of Blasting Seismic Wave on Nearby Structures;
爆破地震波对周围建筑物影响的分析
Vibration Reducing Technique for Urban Shallow-buried Tunnel Blasting
城市浅埋隧道爆破地震波的降振技术
The blast from the bomb blew out all the windows in the area.
炸弹爆炸的冲击波震破了这个地区的所有窗户。
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
Wavelet Research and Analysis of Blasting Vibration Signals in Limestone Mine;
某水泥矿山爆破震动信号小波分析与研究
Study of Tunnel Excavation Blasting Seismic Characteristics and Prediction Method;
隧道开挖爆破地震波特性及其预测方法研究
Seismic Signal Time-frequency Analysis and Its Application to Blast Distinguishing;
地震波时频谱分析及其在爆破识别中的应用
Study on Dynamic Response of Masonry Structure Buildings under Blasting Seismic Wave
砌体结构建筑物对爆破地震波动力响应研究
Study on the Safety Assessment of Bridge Structure under the Action of the Explosion Seismic Wave
爆破地震波作用下桥梁结构的安全评估
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