In view of dispersion, the application of guided wave NDT of pipe based on magnetostrictive effect was analyzed by the combination of numerical simulation and experimental research.
利用数值模拟和实验研究两种手段，从频散的角度分析了基于磁致伸缩效应的导波无损检测技术在圆管检测中的应用。
The wave propagation and power flow characteristics of a shell-type pipe with circumferential surface crack are investigated and the method for crack detection is proposed.
研究在外力激励下含有环向表面裂纹损伤的壳式管道的波传播与功率流特性，并给出裂纹识别方法。
Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
This article narrated the application of the negative pressure wave method in the leak detecting system of transporting-oil pipe.
主要讲述了负压波理论在输油管道泄漏监测系统的具体应用情况。
Horizontal hydrodynamics of deep sea mining lifting pipe consists of two parts: the forces caused by current and wave.
深海采矿扬矿管上的横向液动力由两部分组成：海流作用力、波浪作用力。
The non-linear wave of incompressible fluid in an elastic pipe is studied.
本文研究弹性管中的流体非线性波问题。
A roller ultrasonic probe was designed in the subject, and it sends ultrasonic wave to detect the pipe wall's thickness.
研究过程中设计的超声波轮式探头，发出超声波信号测量管道壁厚。
The utilization of the pressure wave in the intake pipe and exhaust pipe which not only make more exhaust gas out of the cylinder but also improve the charge efficiency and make more fresh gas.
合理的利用进、排气管中的压力波，不仅能使更多的废气排出缸外，而且还可以提高发动机的充气效率，使尽可能多的新鲜工质充入。
Finally, we take the pipe system consisting of five main arteries as an illustrative example with detailed calculations. The theoretical wave is similar to the recorded wave at some typical arteries.
本文以“五根主要动脉所组成的动脉管系”为例，进行了详细的计算，在某些典型动脉处，计算所得的理论波形与实测波形是相似的。
Deep ocean mining pipe has a large deflective displacement under the wave, currents and dragging by mining vessel in ocean environment.
深海采矿扬矿管处于海洋环境之中，受海浪、海流以及采矿船拖航的影响，会发生大的偏移。
The differential pressure signals of flow in a horizontal pipe are studied by wavelet analysis. The flow pattern can be recognized easily according to the characteristics of plug flow and wave flow.
采用小波变换分析水平管流上的压差信号，根据段塞流与波状流的小波分析特性，可容易地识别流型。
The meter takes the double wave pipe structure, the two parallel pipe separate fix in "I" bracket.
仪表采用双波纹管结构，即两只波纹管分别安装在“工”字型支架两侧的对称化置上。
Thick wall pipes are the core component of so called "four pipe" system for thermal power. It is important to apply circumferential guided wave technique to nondestructive testing of thick wall pipes.
厚壁管道是火电机组四大管道系统的核心部件，将超声导波技术应用于厚壁管道的无损检测显得十分重要。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
The embed depth and wave-stream elements of steel pipe piles are two main factors determining the bearing conditions of steel boxed cofferdam.
钢管桩嵌固深度和波流要素是决定钢套箱受力状况的两个主要因素。
The extra low electromagnetic wave, wavelet technology, pipe track instrument, DGPS and tracing signal equipment are used to solve the key question of trans-mit-receive and communication.
研究信息融合技术在海底管道维修装置与检测装置间的应用，采用超低频电磁波，小波分析等技术与管线跟踪探测仪、DGPS以及示踪信号探测器等设备解决发射、接收、通讯技术中的关键技术点。
Effect of stress wave on larger diameter metal pipe was studied by numerical simulation under local external contacting explosion.
以大口径金属管道为对象，通过数值模拟研究了金属管道在局部外接触爆炸荷载作用下的应力波对其的效应。
Using the mathematical theory of soliton wave to study the stress wave of an oil pipe, we show that it has the property of soliton wave and obtain an expression of its solution.
利用孤子波的数学理论到圆截面直筒油管的应力波传播的研究，得出了这类应力波具有孤子波的性质，并导出了它的解的表示式。这对研究弹性圆管应力传输问题是有帮助的。
The explosion cause a pressure wave which flows with high velocity through the relief pipe system.
爆炸引起压力波，压力波在压力放散系统中快速传播。
The plane-section assumption was not congruous in low strain dynamic tests on pipe piles, so the propagation of stress wave couldn't be expressed by 1D wave equation.
管桩低应变检测时，平截面假定并不满足，应力波的传播不能简单地用一维波动方程描述。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法，这种方法只能检测比较大的缺陷。
The wave force on the steel-pipe pile which was connected and unconnected to the test platform was tested; and the acceleration versus time data and natural vibration frequency were obtained.
对波流力作用下连接及未连接平台的钢管桩进行了测试，获得了加速度时程曲线以及钢管桩固有频率。
The GPR Image of 2-dimensional pipe-like model was synthesized using diffraction radar wave formula and compared with physical simulated record.
用衍射波公式合成了二维管状模型的雷达图像，并与物理模拟作了比较。
The GPR Image of 2-dimensional pipe-like model was synthesized using diffraction radar wave formula and compared with physical simulated record.
用衍射波公式合成了二维管状模型的雷达图像，并与物理模拟作了比较。
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