声源定位问题研究及误差分析  

A STUDY ON SOURCE LOCATION IN ACOUSTIC EMISSION INSPECTION AND ITS ERROR ANALYSIS

作　　者：徐彦廷[1] 李伟[1] 戴光[1] 孙茂成[2] 于江林[2] 

机构地区：[1]大庆石油学院,安达151400 [2]大庆油田化工总厂

出　　处：《无损检测》1999年第5期199-200,共2页Nondestructive Testing

摘　　要：对压力容器声发射检测中的声源定位问题进行了讨论和研究.简要阐述了几种常见声源定位方法的定位原理和主要特点.对可能产生声源定位误差、伪定位及漏定位的各种主要因素进行了较详细的分析,并提出了相应的提高声源定位精度和可靠性的推荐做法.Source location in acoustic emission inspection of pressure vessels is discussed. The principles and features of common location methods are briefly described. The main factors probably causing source location error , false location or fail of location are analyzed and the ways to improve the precision and reliability of source location are recommended.

关 键 词：压力容器 定位误差 声发射 误差分析 声源定位 

分 类 号：TH490.66[机械工程—机械制造及自动化]