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박길배(Kilbae Park),박희준(HeaJun Park),기호철(Hocheul Ki) 한국소음진동공학회 2014 한국소음진동공학회 학술대회논문집 Vol.2014 No.4
To reduce the exterior noise level of EMU, there are several ways have been evaluated. The noise sources for the exterior noise level are the traction motor, driving gear and wheel/rail rolling noise. In this article, the ways to mitigate the noise issue for EMU have been investigated and especially the way to protect the noise radiation from the bogie area and wheel/rail rolling noise. The way to evaluate the effect of the side skirt has been reviewed. To install the side skirt, the interface between the side skirt and the carbody and bogie should be examined and the acoustic design of the side skirt will be evaluated.