The magnetic flux leakage ( MFL) method is generally employed in the nondestructive evaluation ( NDE) of weapon for ferromagnetic materials, the difficulty is to invert the defect geometry parameters according to the measured MFL signals. 漏磁检测是由铁磁材料制作的兵器部件的常用无损检测方法之一,检测中的难点是根据被测漏磁信号反演缺陷的几何参数。
Magnetic flux leakage ( MFL) nondestructive evaluation commonly used in the nondestructive evaluation of ferromagnetic material is an efficient method in inspection of oil pipelines in recent years. 漏磁无损检测普遍用于铁磁材料的无损检测中,是近年来输油管道检测中常用的一种有效方法。
Magnetic flux leakage ( MFL) inspection is a most successful non-destructive evaluation technique used for in-service inspection of pipelines. 漏磁(MFL)检测是油气管道在线检测中应用非常成熟的一种无损检测技术。
The web flux monitor system decreases the users'waiting time by lazy evaluation technology. 将缓式评估技术应用于日志处理中,减少了用户在统计中的等待时间。
Magnetic flux leakage ( MFL) measurement is the most widely used non-destructive evaluation technique for in-service inspection of gas and oil pipelines. A new de-noising algorithm was presented for removing the seamless pipe noise ( SPN) and the system noise contained in the MFL data. 基于漏磁检测是油气管道在线检测中应用最广泛的无损检测技术,提出了一种去除漏磁数据中无缝管道噪声(SPN)和系统噪声的新算法。
The Application of Zero Flux plane Method in Groundwater Resources Evaluation in Shenyang Area 零通量面法在沈阳地区地下水资源评价中的应用
When magnetic flux leakage ( MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises. 采用漏磁法对炮管进行无损检测时,漏磁信号中含有噪声。
Using maximal diffusive flux to substitute actual diffusive flux, which will overestimate diffusion losing and bring biggish error for estimate of gas source rocks and resource evaluation of gas pool. 以往用最大扩散气量来代替实际扩散气量的算法会过高的估计天然气的扩散损失量,给气源岩评价和气藏的资源评价带来较大的误差。
As a highly efficient NDT ( nondestructive testing) method, MFL ( Magnetic flux leakage) has been widely used for testing and evaluation of various kinds of ferromagnetic materials, especially having obvious advantages in automatic inspection of steel pipe. 作为一种高效的无损检测方法,漏磁检测已被广泛应用于各种铁磁性材料的缺陷检测与评估中,特别在自动化钢管探伤上优势显著。
Flaws in the service with Gas Pipeline Magnetic Flux Leakage detection technology research, to gain a relatively accurate pipeline flaws characteristic parameters for the quantitative evaluation of pipeline flaws of the residual strength of the defect to provide reliable data. 对在役含缺陷燃气管道漏磁检测技术进行研究,从而获得相对精确的管道缺陷特征参数,为定量评价管道缺陷的剩余强度提供可靠的缺陷数据。
The effects of temperature, velocity and thermal properties of molten salts, heat flux, and geometry parameters of receiver tube on the characteristic of heat transfer and flow in transversely ridged tube have been investigated. The effect of evaluation criteria has also been discussed. 研究了熔盐温度、流速和热物性、加热热流密度和传热管几何结构参数对横纹管传热与流动特性的影响规律,讨论了不同评价准则的影响。