Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)

  • 2013.04a
  • /
  • Pages.476-481
  • /
  • 2013
  • /
  • 1598-2548(pISSN)
The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
권호 표지

A Study on Transfer Characteristics of Vehicle Air-conditioner Booming noise

차량용 에어컨 부밍 소음의 전달 특성에 관한 연구

  • 임승택 (서울대학교 대학원 기계항공공학부) ;
  • 주경훈 (서울대학교 대학원 기계항공공학부) ;
  • 안휴남 (한라비스테온공조(주)) ;
  • 박영덕 (한라비스테온공조(주)) ;
  • 강연준 (서울대학교 기계항공공학부)
  • Published : 2013.04.24
Download PDF
⟨ Previous Next ⟩

Abstract

Transfer path analysis(TPA) and operational deflection shape(ODS) have been widely utilized to analyze the characteristics of noise. TPA enables to decompose a noise into air-borne and structure-borne noises then estimate the path contribution of noise. ODS enables to analyze a moving shape and direction of interest components at a particular frequency. In this paper, TPA and ODS are applied to transfer paths of air-conditioner booming noise in a vehicle to reduce noise level, then a fixture is mounted it's path for distributing the high portion path contribution to the low portion path contribution. Through this experiment, the reduction of sound pressure level in air-conditioner booming noise is observed. Thereafter, TPA is again employed to verify the results of contribution.

Keywords

Acknowledgement

Supported by : 한국연구재단