冲击压力
- 网络Impact Pressure;shock pressure;surge pressure
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同时,运用流体力学原理,对冷却管路系统进行了理论计算,得到了喷嘴出口处的水流速度以及作用于钢板表面的冲击压力。此外,利用标准C语言对计算过程编制程序。
The impact pressure on the surface of product and the flowing velocity were calculated by hydromechanics theory , and the calculation process was programmed by language C.
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MPS水流数学模型在冲击压力计算中的应用
Application of a Numerical Flow Model Based on MPS Method in the Calculation of Impact Pressure
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主要的实验结果是:电阻率是冲击压力的单调递减函数,其数值在2.45×10~5-1.73×10~3Q·cm之间变化;
The main results are : the resistivity is a monotonous decrease function of pressure .
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研究发现:冲击压力p低于19.0GPa时,石墨与水混合物冲击压缩特性明显不同于金刚石与水混合物的冲击压缩特性;
It is found that the behaviour in the mixture of graphite and water is different to the mixture of diamond and water below shock loading pressure of 19GPa ;
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根据界面粒子速度剖面,计算得到了单晶LiF在冲击压力分别为27.7GPa、38.5GPa和53.7GPa三个压力点下的高压声速卸载路径。
From the particle velocity-time profile , the unloading path under 27.7 GPa , 38.5 GPa and 53.7 GPa is calculated .
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高冲击压力下93W合金的位错亚结构及其硬化特征
Dislocation substructures and hardening characteristics of 93W tungsten alloy under high shock pressure
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在11~42GPa冲击压力范围内测量了7个Hugoniot数据。
Within the shock pressure range of 11 ~ 42 GPa , seven Hugoniot data of the substance are obtained .
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PVDF(聚偏氟乙烯)及其共聚物压电计具有响应快、灵敏度高、测压范围宽等特点,是一种理想的冲击压力传感器。
PVDF ( polyvinylidene fluoride ) and its copolymer piezoelectric gauges are the latest development in high pressure measurement due to their fast response , high sensibility , wide working range and etc.
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最后,文章采用FE/SPH方法对入水问题进行了研究,并比较了FE方法和FE/SPH方法计算得到的冲击压力和速度,发现FE/SPH方法得到的冲击压力小,速度衰减快。
Finally , the paper uses FE / SPH method to study the problem of water entry , compares pressures and velocities calculated by FE method andFE / SPH method , and finds the pressure is smaller and velocity ' decay is faster by usingFE / SPH method .
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为了探求高拱坝溢流水舌截面形状对下游水垫塘底板动水冲击压力的影响,应用RNGk-ε双方程紊流模型对三维淹没冲击射流进行了数值模拟计算。
The RNG k - ε double-equation turbulence model is applied to simulate the 3-D submerged jet flow to investigate the influence of aspect ratio of flip bucket jet on impact pressure acting on the floor of plunge pool .
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得到了93W合金在高压下材料屈服强度随冲击压力的增大而增大,但其与冲击压力的比值则随冲击压力的增加而减小的变化规律。
Based on which we find that although the yield strength of 93W increases as the shock pressure increases , but the ratio of the yield strength to the shock pressure decreases .
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冲击压力在压铸件生产中的应用
Application of Blast Shock Pressure for the Manufacture of Die Casting
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自振空化射流冲击压力脉动特性实验研究
An experimental study on impact pressure characteristics of self-resonant cavitating jets
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使用小波变换的信号处理方法得到了冲击压力的时频信息。
Time-frequency characteristics of the pressures were obtained by using wavelet .
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二维物体的振荡和冲击压力的计算
The Computation of Oscillatory Pressure and Impact Pressure for Two-Dimensional Bodies
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空气不耦合装药爆破孔壁冲击压力分析
Analysis on preliminary shock pressure on borehole of air-de-coupling charging
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液压冲击压力峰值计算方法的探讨
Research on the Calculation Method of Hydraulic Impulse Pressure Peak
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飞机加油车泵油系统冲击压力分析
Analysis on Impact Pressure in Oiling System of Aircraft Refueller
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兆巴冲击压力下铁和铝粘滞性实验研究
Experimental Research on Viscosity of Iron and Aluminum under Shock Compression at Megabar
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兆巴冲击压力下测量金属铝剪切粘性的实验技术改进
Improvement on Experiment Technique of Measuring Shear Viscosity of Aluminum under Shock Compression
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刚性圆板自由落体在水面上的冲击压力
Impact Pressure of A Disk Falling Upon Water Surface
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冲击压力造成完井工具失效原因分析及预防
Failure Analysis and Preventions of Completion Equipments and Preventions
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实验表明,提高了射流冲击压力的破碎岩石效率。
Experiment shows the rock breaking efficiency of jet flow impact pressure is enhanced .
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承受冲击压力的钢压杆
Pressure ; Steel Struts Under Suddenly Applied Loading
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溢流孔分流齿坎对水舌形状及水垫塘底板冲击压力的影响
Effect of dentated bucket on nappe shape and impact pressure acting on plunge pool floor
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通过对5种不偶合装药初始冲击压力计算的理论分析,阐述了几种主要方法对计算结果的影响以及计算中存在的问题。
In this paper , five methods of the blasting impact pressure calculation are analyzed .
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冲击压力、内能和冲击温度被计算为压缩度的函数。
Shock pressure , internal energy and shock temperature were calculated as function of compression .
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挑跌流水垫塘内流态结构控制参数与冲击压力变化规律实验研究
Experimental study on controlling parameters of flow in plunge pools and corresponding impact pressure characteristics
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当表面冲击压力为144MPa时,达到混凝土临界破坏点。
As jetting pressure is up to 144 MPa , the critical demolishing point appeared .
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关于空气不偶合装药初始冲击压力计算的分析
Analyse of Impact Pressure About De-Coupling Charge