Title: The research of resonance frequency influence by 1/20 scale model test
Abstract:Acoustical enclosed workshops are used in high-level noise machine, especially for natural gas compressor. By this method the noise source was closed in workshop. Combined with sound absorption constr...Acoustical enclosed workshops are used in high-level noise machine, especially for natural gas compressor. By this method the noise source was closed in workshop. Combined with sound absorption construction can decrease the noise level can be decreased out of workshop. But these kinds of methods have disadvantages. The low frequency noise levels of this type machine are higher than other machine, especially of infrasonic sound. The typical shape of workshop is rectangular and their sizes are about ten by ten meters. So the resonance frequencies are coincidence with the noise frequency of machine. All of these lead to the “sound box effect”, which means low frequency and infrasonic sound will be amplified. The test data of practical cases in China indicate that these methods can be increase the pollution of infrasonic sound. In this study, we test the resonance frequency of a 1/20 scale model. In order to find out what the influence of noise control issue.Read More
Publication Year: 2012
Publication Date: 2012-04-01
Language: en
Type: article
Indexed In: ['crossref']
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