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      유한한 판의 음향전달 손실 : 공진과 비공진 투과 성분의 상대적 기여도 = Sound Transmission Loss of Finite Panel;Relative Contributions of Resonant and Non-Resonant Transmission

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      https://www.riss.kr/link?id=E807303

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      다국어 초록 (Multilingual Abstract)

      In predicting the performance of sound insulating enclosures or partitions, infinitely extended panels have been used as a sound transmission model, because there are many difficulties in analyzing the finite system. In practice, the panel is obviously finite. Thus it is important to clarify the difference between a finite panel and an infinite one. In 1970, Sewell established the model for sound transmission model through the finite panel. Is spite of good agreement with experimental results, his results have inherent error due to exclusion of the resonant transmission.
      In this work, the relative contributions of resonant and non-resonant transmission for the case of a sound transmission through a finite panel are evaluated. From the results, one can obtain some regions depending on internal loss factor and area in which the resonant transmission can be neglected.
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      In predicting the performance of sound insulating enclosures or partitions, infinitely extended panels have been used as a sound transmission model, because there are many difficulties in analyzing the finite system. In practice, the panel is obviousl...

      In predicting the performance of sound insulating enclosures or partitions, infinitely extended panels have been used as a sound transmission model, because there are many difficulties in analyzing the finite system. In practice, the panel is obviously finite. Thus it is important to clarify the difference between a finite panel and an infinite one. In 1970, Sewell established the model for sound transmission model through the finite panel. Is spite of good agreement with experimental results, his results have inherent error due to exclusion of the resonant transmission.
      In this work, the relative contributions of resonant and non-resonant transmission for the case of a sound transmission through a finite panel are evaluated. From the results, one can obtain some regions depending on internal loss factor and area in which the resonant transmission can be neglected.

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      목차 (Table of Contents)

      • 1. 서론
      • 2. 모드해석을 통한 소음 전달 해석
      • 3. 소음 전달 경로의 분리
      • 4. 계산 결과 및 결론
      • 참고문헌
      • 1. 서론
      • 2. 모드해석을 통한 소음 전달 해석
      • 3. 소음 전달 경로의 분리
      • 4. 계산 결과 및 결론
      • 참고문헌
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