JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 1995, Vol. 19 ›› Issue (04): 67-70.doi: 10.3969/j.jssn.1000-2006.1995.04.012

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A STUDY ON NOISE REDUCTION INSIDE A DOUBLE-DECK AUTOMOBILE

Min Yongjun;Jiang Benhao; Li Mingcai   

  1. College of Mechanical Engineering Nanjing Forestry University Nanjing 210037
  • Online:1995-12-18 Published:1995-08-18

Abstract: It is common that inner noise of a double-deck automobile often goes beyond the standard set by the state.An improved back structure is proposed according to the principle of sound absorption. sound insulation and damping vibration.It can lower inner noise so as to meet the state standard.