Transmission path analysis of noise and vibration in a rotary compressor by statistical energy analysis

被引：3

作者：

Hwang, SW

Jeong, WB ^{[1
]}

Yoo, WS

Kim, KH

机构：

[1] Pusan Natl Univ, Dept Mech Engn, Pusan 609735, South Korea

[2] LG Elect, Digital Appliance Res Lab, Seoul 153802, South Korea

来源：

KSME INTERNATIONAL JOURNAL | 2004年 / 18卷 / 11期

关键词：

rotary compressor; SEA; modal density; damping loss factor; coupling loss factor; power spectrum; point mobility;

D O I：

10.1007/BF02990432

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The hermetic rotary compressor is one of the most important components of an air conditioning system since it has a great effect on both the performance and the noise and vibration of the system. Noise and vibration occurs due to gas pulsation during the compression process and to unbalanced dynamic force. In order to reduce noise and vibration, it is necessary to identify their sources and transmission path and effectively control them. Many approaches have been tried in order to identify the noise transmission path of a compressor. However, identification has proven to be difficult since the characteristics of compressor noise are complicated due to the interaction of the compressor parts and gas pulsation. In this study, the statistical energy analysis has been used to trace the energy flow in the compressor and to identify the transmission paths from the noise source to the exterior sound field.

引用

页码：1909 / 1915

页数：7

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