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

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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A Study on the Transmitted Energy Contribution Analysis of SUV Engine Mount by Vibration Power Flow Measurement

진동 파워흐름 측정을 통한 SUV용 엔진 마운트의 에너지 전달 기여도 분석에 관한 연구

  • 김수곤 (인하대학교 대학원 기계공학과) ;
  • 이상권 (인하대학교 기계공학과) ;
  • 김성종 (인하대학교 대학원 기계공학과)
  • Published : 2008.04.20
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Abstract

Reduction of structure-borne noise in the compartment of a car is an important task in automotive engineering. Many methods which analyze noise transfer path have been generally used for structure-borne noise. These methods are useful in solving particular problem but do not quantify the effectiveness of vibration isolation for each isolator of a vehicle. To quantify the effectiveness of vibration isolation, the vibrational power flow measurement has been used for a simple isolation system or a laboratory based isolation system. This paper identifies the transfer path of booming noise in a SUV. The powertrain used for test has a in-line 4cylinder engine and 5-shift auto-transmission. This powertrain is transversely supported by four isolators. We calculated the energy flow throughout four isolator by the measurement of power flow and the contribution of energy flow at each isolator.

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References

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