The Noise Characteristics Research in Subway Cars

Jian Hui Tian; Lian Jian; Bing Li

doi:10.4028/www.scientific.net/AMR.1051.431

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1051The Noise Characteristics Research in Subway Cars

The Noise Characteristics Research in Subway Cars

Abstract:

The noise of different points in four sections of Shenzhen subway was tested by this paper. Real-time SPL and noise spectrum distribution curves at bogie were given, while the equivalent SPL curve was also shown. The relationship of subway speed and noise SPL was investigated. The regular of noise spectrum characteristics and SPL was obtained. The results show that the noise SPL increases with the increase of the speed. Looking from the frequency range, the frequency corresponding to larger noise SPL amplitude mainly concentrates in the lower frequency while the subway stopping, the frequency corresponding to larger noise SPL amplitude mainly concentrates in high frequency while the subway running.

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Periodical:

Advanced Materials Research (Volume 1051)

Pages:

431-434

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1051.431

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Online since:

October 2014

Authors:

Jian Hui Tian, Lian Jian, Bing Li*

Keywords:

Noise, Spectrum Analysis, SPL (Sound Pressure Level)

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* - Corresponding Author

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