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A Study on the Noise Characteristics of Subway Train  

Choi, Yong-Woon (서울도시철도공사(서울산업대학교 철도전문대학원 철도차량 시스템공학과))
Koo, Jeong-Seo (서울산업대학교)
You, Won-Hee (한국철도기술연구원)
Koh, Hyo-In (한국철도기술연구원)
Publication Information
Journal of the Korean Society for Railway / v.12, no.3, 2009 , pp. 329-334 More about this Journal
Abstract
Subway is used as a useful transportation method to solve the metropolitan traffic problem for its advantages of being not only accurate, safe and massive, but also of not producing any exhaustion gas in compare with the other ground transportation systems. However, noise inside the car due to concrete based rail track and tunnel structure has become a social problem. So, an analysis on the noise characteristics according to their routes and locations was made on the basis of the actually measured results from the trial run. To reduce the interior noise of subway train, the side part of rolling stock should have a noise blocking system fur low band frequency noise, the floor of it should have that for medium range frequency noise and the side part as well as lower part of it should have good noise reduction and absorption function.
Keywords
noise;
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