Acoustic emission testing is a dynamic nondestructive detecting technology, and has broad application prospect.
声发射检测技术是一种动态无损检测技术,具有广泛的应用前景。
Based on the advantages and shortages of EMD,it is the first time to use this method to Acoustic Emission Testing.
在分析了EMD方法的优点和不足的基础上,首次提出将该方法应用于声发射检测中。
Establishing acoustic emission testing system on inner pipe leakage of pipe jacket vessel,through researching the waveform,the range and the law of energy distribution among different frequency band which were belong to the AE signal from leakage and exploit wave guide rod testing pipe jacket vessel to provide a basis of experimentation for testing in the work field.
在实验室内建立管式夹套容器内管泄漏声发射检测系统,通过研究泄漏声发射信号的波形、幅值和不同频带能量分布规律,以及利用波导杆检测管式夹套容器的方法,为现场检测提供试验依据。
A novel acoustic emission (AE) technique were used to measure slurry concentration of the stirred tank and the loop reactor coupled with a fluidized bed, and flow pattern of th.
本文运用声发射检测技术对搅拌釜中的浆液浓度、环管流化床复合反应器中的浆液浓度和流动模式进行了研究。
Acoustic emission (AE) technique has been widely applied to pressure vessel and piping inspection.
针对此问题,详细推导并得出厚壁压力容器中声发射检测的定位误差的解析解,分析和讨论了声源定位误差的变化规律。
Currently there occur a lot of new methods to diagnose the running state of gas turbines, such as infrared monitoring, ultrasound monitoring and acoustic emission monitoring etc.
对于燃气轮机的故障诊断目前已经涌现出很多新方法,诸如红外线监测,超声波监测以及声发射监测等等。
The working principle of the AE sensor is introduces,and the AE testing system of grooving sample fracture under cyclic load is set up.
介绍了AE传感器的工作原理 ,建立了循环载荷条件下切槽试样断裂声发射检测系
AE testing technology, which is used more and more widely for solving the problems, expensive and long inspecting periods in general testing, is only adopted by the skilled inspector now for behindhand testing system, high orientation error and low quality orientation software.
为了解决常规检测维修费用昂贵，周期长的问题而兴起的声发射检测技术，因为检测仪器的相对落后及软件的定位误差较大，同时达不到可视化要求，到目前为止还只局限于有此技术且经验丰富的工程技术人员使用，另外定位特别是对球罐缺陷点的判断误差偏大，而且不能立体的展示定位结果，给声发射技术的发展及推广带来很大的障碍。
Theoretical and Experimental Study of Acoustic Emission Monitoring Based on Optical Fiber M-Z Interferometer;
光纤M-Z干涉仪用于声发射探测的理论与实验研究
emission detector
(红外辐射) 发射型探测器
EXPLORATION ON ADAPTIVE DIGITALFILTING OF SITE NOISE IN ROCK AE TEST
岩体声发射监测现场噪声自适应数字滤波技术初探
instrument to detect and measure acoustic radiation.
探测并测量声音放射物的仪表。
The normal value of DPOAE and effect of intensity differ of probe tone
畸变产物耳声发射的正常值及探测音强度差对其的影响
radiophotoluminescence detector
辐射光致发光探测器
ALSOR (Air Launched Sounding Rocket)
空中发射的探测火箭
low temperature infrared emission detecting instrument
低温红外线发射探测仪
Terminology for nondestructive testing-Acoustic emission testing
GB/T12604.4-1990无损检测术语声发射检测
multi-function acoustic emission message distributing characteristics detector
多功能声发射信息分布特性测试仪
Study of a New Type of Acoustic Emission Testing System and Technology of AE Sources Orientation
新型声发射检测系统与定位技术研究
Application of AE Monitoring Technology in Grinding Process
声发射监测技术在磨削加工中的应用
The Research of Metal Pitting Corrosion Acoustics Emission Inspecting and Signal Process;
金属点蚀声发射监测与信号处理研究
Otoacoustic Emissions in Patients with Tinnitus and Normal Hearing;
听力正常的耳鸣患者耳声发射的测试
Development of an Intelligent Otoacoustic Hearing Measurement Instrument;
一种全智能型耳声发射测试仪的研制
Applications of the Acoustic Emission Technology in Testing of the Pressure Vessels;
声发射技术在压力容器检测中的应用
Acoustic Emission Technology in Non-destructive Testing of Storage Tanks
声发射技术在储罐无损检测中的应用
Acoustic Emission Inspection Theory for Critical Crack Flaw in Petroleum Drill Tools
声发射方法检测钻具裂纹的理论研究