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http://dx.doi.org/10.5050/KSNVN.2009.19.5.462

Numerical Analysis of the Mechanical Impedance and Transmitted Vibration of the Foundation for the Equipment in a Naval Vessel  

Han, Hyung-Suk (국방기술품질원 함정센터)
Son, Yoon-Jun (국방기술품질원 함정센터)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.19, no.5, 2009 , pp. 462-467 More about this Journal
Abstract
Reduction of the structure-borne noise of the naval vessel is very important in order to reduce the underwater radiated noise of it. One of the important factors to reduce the structure-borne noise of the installed machine in a ship is the design of the foundation having sufficiently high mechanical impedance. In this paper, the mechanical impedance of the foundation for the fan-coil unit in a naval vessel is evaluated numerically according to variation of the thickness of the foundation. And also, the forced vibration analysis is conducted considering the dynamic property of the anti-vibration mount. Through the analysis results, it can be known that the dynamic property of the anti-vibration mount should be considered when the minimum level of the mechanical impedance of the foundation is set.
Keywords
Foundation; Mechanical Impedance; Receptance; Resilient Mount;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Han, H. S. and Son, Y. J., 2009, “Investigation for the Restriction of the Stiffness and Mechanical Impedance of the Shipboard Floor and Foundation Considering Dynamic Stiffness of the Anti-vibration Mount,” Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 19, No. 3, pp. 320-326   DOI   ScienceOn
2 Kim, H. S., Kim, J. S., Kang, H. J., Kim, B. K. and Kim, S. R., 2007, “SBN(structureborne noise) Reduction of Resilient Mounted Machinery and Effect of Foundation Impedance,” Proceedings of the KSNVE Annual Spring Conference, KSNVE07S-14-04
3 Kim, B. K., Kim, J. S., Kim, H. S, Kang, H. J. and Kim, S. R., 2001, “Study of the Structure-borne Sound Transmission of a Machine through Rubber Mounts,” Proceedings of the KSNVE Annual Autumn Conference, pp. 655-660