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      허니콤재의 투과손실 저하 인자에 대한 고찰 = Considerations on the Factors Reducing the Sound Transmission Loss of the Honeycomb Panels

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      https://www.riss.kr/link?id=A76248542

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      다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

      In a high speed train, multi-layered panels for floor, side wall and roof are important sound insulating part. As these multi-layered panels require high bending strength vs. weight, corrugated steels or aluminium honeycomb panel are generally used. However, with some inevitable factors, these panels show lower sound insulation performance than that of the plate with the same weight. Transmission loss(TL) often severely decreases in a particular frequency range because of the decrease of the critical frequency, occurrence of local resonance modes and cavity resonance modes, which are not shown in a plate. In this study, frequency range and cause of the TL drop are investigated on the corrugated and honeycomb panels.
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      In a high speed train, multi-layered panels for floor, side wall and roof are important sound insulating part. As these multi-layered panels require high bending strength vs. weight, corrugated steels or aluminium honeycomb panel are generally used....

      In a high speed train, multi-layered panels for floor, side wall and roof are important sound insulating part. As these multi-layered panels require high bending strength vs. weight, corrugated steels or aluminium honeycomb panel are generally used. However, with some inevitable factors, these panels show lower sound insulation performance than that of the plate with the same weight. Transmission loss(TL) often severely decreases in a particular frequency range because of the decrease of the critical frequency, occurrence of local resonance modes and cavity resonance modes, which are not shown in a plate. In this study, frequency range and cause of the TL drop are investigated on the corrugated and honeycomb panels.

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      목차 (Table of Contents)

      • ABSTRACT
      • 1. 서론
      • 2. 직방성 판재의 차음성능
      • 3. 허니콤재의 투과손실
      • 4. 투과손실 저해 요인
      • ABSTRACT
      • 1. 서론
      • 2. 직방성 판재의 차음성능
      • 3. 허니콤재의 투과손실
      • 4. 투과손실 저해 요인
      • 5. 결론
      • 후기
      • 참고문헌
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