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- W2201005613 abstract "Since railway improvements on speed and weight has caused interior noise, the passengers convenience fell dramatically. Therefore many on-going researches are dedicated to reduce interior noise. In this study the analytical prediction of interior noise reduction has done through filling up the empty space using form and to modify the floor structure, which contributes highly with interior noises. Using Statistical Energy Analysis(SEA), the interior noise of the vehicles without the form filling on the floor structure and the vehicles with form filling and also a modified structure has been predicted. The selected percentage of form filling was 0, 50, 100% and through this research the analysis of noise reduction by form filling has been made. When floor structure has been filled with form, approximately 2 dB of noise reduction was observed and the difference of noise reduction level with 50 and 100% form filling was predicted to be very little. Through this study, the expectation of interior noise reduction in high speed trains is considered high." @default.
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- W2201005613 date "2011-10-01" @default.
- W2201005613 modified "2023-09-23" @default.
- W2201005613 title "바닥 구조물의 폼재 충전을 통한 고속철도 차량의 실내 소음 저감 연구" @default.
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