한국소음진동공학회논문집 (Transactions of the Korean Society for Noise and Vibration Engineering)

  • 제21권2호
  • /
  • Pages.120-128
  • /
  • 2011
  • /
  • 1598-2785(pISSN)
  • /
  • 2287-5476(eISSN)
한국소음진동공학회 (The Korean Society for Noise and Vibration Engineering)
권호 표지
DOI QR코드

DOI QR Code

선체 마운트 지지점에서의 리셉턴스를 고려한 선박용 디젤 엔진의 고체전달음 해석

Structure-borne Noise Analysis of Marine Diesel Engine Considering Receptance of Hull Structure at Mounting Point

  • 투고 : 2010.09.20
  • 심사 : 2010.12.06
  • 발행 : 2011.02.20
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents an efficient method to analyze noise and vibration of marine diesel engines mounted on flexible hull structure. The analysis model should in general include the hull structure, leading to lots of computational efforts. To minimize the computational efforts, in this paper, the transfer synthesis utilizing the receptance at the mounting points is proposed. The procedure is then verified by comparing the results with those from the full model calculation. The effects of flexible hull structure on the acoustic power from engine block are finally investigated. It is found that the effect of the hull is significant when the receptance of hull structure is similar to or greater than that of mount or engine block.

키워드

참고문헌

  1. Van Herbruggen, J. and Van der Linden, P. J.G., Knittel, H.-J. and Schnur, J., 2001, EngineInternal Dynamic Force Identification and theCombination with Engine Structure andVibro-acoustics Transfer Information, SAE paper2001-01-1596.
  2. Park, J. G., Jeong, W. B., Seo, Y. S. andYoo, W. S., Optimization of Crank Angle to ReduceExcitation Forces and Moments in Engines, Journalof Mechanical Science and Technology, Vol. 21, No.2, pp. 272-281.
  3. Kim, D. H., Hong, C. S., Jeong, W. B. andPark, J. G., 2007, Radiated Noise Analysis ofMarine Diesel Engine from Structural Vibration,Transactions of the Korean Society for Noise andVibration Engineering, Vol. 18, No. 7, pp. 26-34. https://doi.org/10.5050/KSNVN.2008.18.1.026
  4. Han, H. S. and Son, Y. J., 2009, Investigationfor the Restriction of the Stiffness and MechanicalImpedance of the Shipboard Floor and FoundationConsidering Dynamic Stiffness of the Anti-vibrationMount, Transactions of the Korean Society for Noiseand Vibration Engineering, Vol. 19, No. 3, pp.320-326. https://doi.org/10.5050/KSNVN.2009.19.3.320
  5. Zheng, H., Liu, G. R., Tao, J. S. and Lam, K.Y., 2001, FEM/BEM Analysis of Diesel Piston-slapInduced Ship Hull Vibration and Underwater Noise,Applied Acoustics, Vol. 62, No. 4, pp. 341-358. https://doi.org/10.1016/S0003-682X(00)00046-3
  6. Ren, Y. and Beards, C. F., 1995, OnSubstructure Synthesis with FRF Data, Journal ofSound and Vibration, Vol. 185, No.5, pp. 845-866. https://doi.org/10.1006/jsvi.1995.0421
  7. Jeong, W. B., Ahn, S. J. and Kim, W. Y.,1995, Experimental Vibration Analysis of VehicleBody-engine Systems by Transfer Function SynthesisMethod, Proceedings of the KSNVE Annual AutumnConference, pp. 289-295.