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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.5
- 수록면
- 468 - 473 (6page)
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초록· 키워드
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In this paper, the acoustic performance of a shipboard large-sized room unit is studied. The room unit is a kind of rectangular absorptive chamber with a partition whose surface absorptive material with fabric skin is attached to. The room unit has one inlet and three outlets. At the inlet, a plane damper is installed to control the flow rate. The acoustic performance of a prototype room unit is measured using a HVAC mock-up. It is shown that its insertion loss is comparable with that of a commercially-used room unit but the developed room unit generates flow noise higher than the other one. The major source of flow noise is analyzed by NADS-R, the noise analysis program for room unit. Cone-shaped dampers are proposed to be used as the damper of a room unit to reduce flow noise. It is shown that the cone-shaped damper decrease flow noise remarkably.
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참고문헌 (10)
참고문헌 신청
1. [기타자료] - / 1995 / DNV, Rules for Ships, 1995, Part 5 Chapter12 Comport Class, Section 2
2. [기타자료] - / 2004 / NORSOK Standard S-002 Rev.4:2004, Working Environment, Annex A
3. [단행본] - Bevirt, W. / 1994 / Sound and Vibration; Design and Analysis / NEBB
4. [단행본] - Munjal, M. L. / 1987 / Acoustics of Ducts and Mufflers / John Wiley & Sons
5. [학술대회논문] - Hong, J.-M. / 2001 / Prediction of HVAC System Noise by Acoustic Power Balancing Method / Proceedings of the KSNVE Annual Autumn Conference : 1306 ~ 1312
2. [기타자료] - / 2004 / NORSOK Standard S-002 Rev.4:2004, Working Environment, Annex A
3. [단행본] - Bevirt, W. / 1994 / Sound and Vibration; Design and Analysis / NEBB
4. [단행본] - Munjal, M. L. / 1987 / Acoustics of Ducts and Mufflers / John Wiley & Sons
5. [학술대회논문] - Hong, J.-M. / 2001 / Prediction of HVAC System Noise by Acoustic Power Balancing Method / Proceedings of the KSNVE Annual Autumn Conference : 1306 ~ 1312
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