ANALYSIS TECHNIQUES OF COMBUSTION NOISE AND VIBRATIONS IN DIESEL ENGINES

In this paper an approach based on complementary techniques is presented, by which the combustion noise is investigated and separated from other vibrational phenomena in a running engine, analyzing the evolution of the time history as a function of engine speed and load, as well as the correlation between pressure cycles and noise. In fact a combination of techniques, such as near field intensity measurements, multiple and partial coherence methods, time-domain signal processing, can be successfully applied in order to improve the required discrimination.

  • Corporate Authors:

    Society of Automotive Engineers

    400 Commonwealth Drive
    Warrendale, PA  USA  15096
  • Authors:
    • Alpini, A
    • Busso, M
    • RUSPA, G
    • TURINO, G
  • Publication Date: 1980-2

Media Info

  • Pagination: 12 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00315086
  • Record Type: Publication
  • Report/Paper Numbers: SAE 800406
  • Files: TRIS
  • Created Date: Oct 8 1980 12:00AM