Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)
- 2000.11a
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- Pages.132-137
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- 2000
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- 1598-2548(pISSN)
A Noise Control of Cooler Housing in Large Scale Vertical Motor
대형 수직전동기 Cooler Housing의 이상소음 제어
Abstract
Recently, a severe noise problem was encountered during a shop test of large scale vertical motor. In order to identify the noise characteristics and propose the countermeasure, a variety of experiments such as sound excitation test and contribution analysis was earned out in addition to ordinary noise and vibration measurements. The results showed that the severe noise level was dominated by an acoustic resonance phenonmenon in the cooler housing and higher sound power of outer fan. Through proper treatments, the noise level could be acceptable.
Keywords