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hammer wave
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  水击波
     Comparison and study of velocitycalculation for water hammer wave in slurry pipelines
     浆体管道水击波波速计算的比较与研究
短句来源
     Analysis and Numerical Computation of The Property of Water Hammer Wave Propagation in A Complicated Pipe System
     复杂管系中水击波传播特性的分析和计算
短句来源
     On the basis of the practical data tested, the characteristics and law of water hammer wave, secondary bubbles impluse, vibration water pressure in site, bank vibration and vibration of structures in water when blasted under limited waters are analyzed, some viewpoints are put forward.
     依据实测数据分析了有限水域水下爆破的水击波、二次气泡脉动、爆破地震动水压力、岸坡震动及水中建筑物震动的特征和规律 ,并提出了一些看法。
短句来源
     On the basis of comparisons among several calculation formulas of water hammer wave in slurry pipelines, compared with the practically measured data by the engineering system, the methods used to be adopted in engineering calculations were improved, the calculations were made more accurate and much safer.
     在比较几种浆体管道水击波波速计算公式的基础上,用工程实测数据予以对比,改进了过去在工程计算中所使用的方法,改进后的计算方法更为精确,且具有安全性。
短句来源
     When calculating water hammer force in derivation conduit with a surge chamber, the ordinary method usually thinks that the surge chamber can completely reflect the water hammer wave.
     通常对设有调压室的引水管道进行水击计算时,常规计算方法认为调压室能完全反射水击波
短句来源
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  “hammer wave”译为未确定词的双语例句
     Hydraulic impulse test platform is an important equipment which creates hydraulic water hammer wave and test the lifetime of hydraulic component of airplane.
     液压脉冲试验台是有规律的产生液压水锤波、考核飞机液压元件寿命的重要设备;
短句来源
     In order to control the production of water hammer and observe the complete process of water hammer, the article presents a hydraulic impulse measurement and control system based PXI bus technique after analyzing the characteristic of water hammer wave whose slop is great and alternation is fast and the advantage of PXI.
     为了控制产生水锤波和完整观察水锤波的全过程,不出现数据遗漏,综合了水锤波升率大、变化快的特点,以及PXI总线的诸多优点和先进性,提出了一种利用PXI总线技术开发的液压脉冲试验测控系统;
短句来源
     Influence of head pressure and pipe characteristic on the change of water hammer wave speed
     水头压力及管道特性对水击波速变化的影响
短句来源
     The system is able to test various waves including water hammer wave, trapezium wave and sin wave to various test components, In addition to the system can also observe and record fluid pressure, flow and temperature to various point of measurement.
     利用该系统可对多种试验件进行水锤波、梯形波和正弦波等多种波形试验,并可对多个测点的流体压力、流量和温度变化进行详细观察和完整记录;
短句来源
     Analysis of methods of the water hammer wave velocity controlling
     控制水锤波速方法的分析
短句来源
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  相似匹配句对
     WATER HAMMER WAVE FUNCTIONS AND ITS APPLICATIONS
     水击波函数及其应用
短句来源
     Wave mechanics equation for the blow process of the hammer
     锻锤工作过程的波动力学方程
短句来源
     On geomorphological wave
     论地貌波
短句来源
     dinger wave).
     dinger 孤立波)的形成。
短句来源
     THE RESEARCH OF HAMMER MILL
     锤式粉碎机的研究
短句来源
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  hammer wave
This paper treats a fluid hammer wave which is propagating into a fully devloped MHD duct flow.
      
For a small interaction parameter, the electromagnetic effects on the fluid hammer wave are small and consist of both dispersion and dissipation.
      


In the present paper the water hammer equations were derived with the concepts of the water hammer wave functions. The derivation is simple and clear. General expression of the reflective and transmissive coefficients and the water hammer computation were given on the basis of the wave functions. The relation between the water hammer pressure and the water hammer wave functions, and the mathematical models for computing were established.

本文用水击波函数的概念推导了水击方程,推导简单、清楚。在波函数的基础上,给出了反射系数、透射系数和水击计算的通式,建立了水击压力和水击波函数之间的关系,以及电算的数学模型。 对水击计算来讲,本文方法是一种新的途径和尝试。

In this paper, the boundary conditions of the branch pipe in a complicated pipe system are derived by taking consideration of the property of water hammer wave propagation in the pipe system, and the analytical solutions of the wave propagation of the water hammer in the pipe system are obtained by the use of the Laplace transformation method. Then the Lagrange-Euler method is applied to compute this problem numerically.

本文利用水击波在管系中传播特性导出了分叉管端的边界条件,采用拉普拉斯变换方法得到了管系中水击波传播的解析解,並且运用拉格朗日一欧拉方法进行数值计算。

As the reflection of water hammer waves in an air cushion surge chamber has been taken into account, the formula of water hammer pressure coefficient through it is derived by analytical methods from water hammer equations by using numerical analysis in this paper. Computer programs are drawn up to calculate water hammer pressure coefficient through it and various factors of influence on it are considered.

从水击基本方程出发,考虑了气垫式调压室内水击波的反射作用,用分析法推出了穿室压力系数的公式,采用数值解法,并编制了计算程序、进行计算及分析了各种因素对穿室压力系数的影响。

 
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