Gear Pump Acoustic Emission Measurement

被引：0
|
作者：
Hejmal, Z. [1 ]
机构：
[1] Univ Def, Brno 61200, Czech Republic
来源：
TRANSPORT MEANS 2009 | 2009年
关键词：
gear pump; acoustic emission; hydraulic system; frequency spectrum; signal energy;
D O I：
暂无
中图分类号：
U [交通运输];
学科分类号：
08 ; 0823 ;
摘要：
The paper discusses the possibilities of acoustic emission measurement of frequently used gear pump. The measurement and subsequent data processing was done in the frequency range of 25 divided by 75 kHz. The acoustic emission signal contains information about operating conditions and can be used for diagnostic purposes. The emitted acoustic emission signal in the frequency range of 25 divided by 75 kHz is not significantly influenced by mechanical vibration of the drive and other mechanical components and has its origin in flowing liquid and cavitation processes. The acoustic emission measurement and suitable processing of acquired data present an additional and useful approach to frequently used diagnostic procedures.
引用
收藏
页码：137 / 140
页数：4
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