摘要
目前,声发射检测技术在石油化工工业、航空航天工业、金属加工、交通运输业等领域得到了广泛地应用。本文简要论述了水轮机故障声发射技术诊断的基本理论、系统设计原理,将研究成果应用于水电机组,并初步取得了成果。
At the present time,the acoustic emission diagnosis technology is extensively used in the realm of petrochemical industry,aviation industry,metalworking industry,public transportation and so on.A brief treatise on the fundamental principle of AE Turbine fault diagnosis technology and the composition of the system were discussed.Some progresses have been achieved since this monitoring and diagnostic system being applied to hydropower units.
出处
《大电机技术》
北大核心
2010年第3期45-50,54,共7页
Large Electric Machine and Hydraulic Turbine
关键词
水轮机
故障诊断
声发射
超声波
碰摩
空化
裂纹
形态滤波
脉冲重复率
声强烈度
波形贴近度
hydraulic turbinef
ault diagnosis
acoustic emission
ultrasonic signali
mpact friction
cavitation
crack
morphological filterr
epetition rate of pulse
acoustic emission intensitys
imilarity degree of waveform
