APPLICATION OF CROSS-CORRELATION TECHNIQUE TO THE CASING NOISE INVESTIGATION OF A HIGH POWERED DIESEL ENGINE

The importance of structural vibration related noise in high-powered diesel engines is discussed in view of its significant contribution to the overall engine noise generation. A cross-correlation technique for noise investigation due to structural vibrations is briefly described and then applied successfully to GM 645 E Series 20 cylinder turbo-charged diesel engine operating in a semi-reverberant environment of a test cell. Implications of cross-correlograms and cross-correlation coefficients have been discussed. This technique can be applied to other vibrating structures for establishing an order of importance of elements of the structure in a noise abatement program.

• Supplemental Notes:
  • This paper was contributed by the Diesel and Gas Engine Power Division of the ASME for presentation at the Winter Annual Meeting, Houston, Texas, November 30-December 4, 1975.
• Corporate Authors:

  American Society of Mechanical Engineers

  Two Park Avenue
  New York, NY  United States  10016-5990
• Authors:
  • Srivastava, N S
  • Kumar, S
• Publication Date: 1975-5

Media Info

• Features: Figures; References; Tables;
• Pagination: 8 p.

Subject/Index Terms

• TRT Terms: Diesel engine exhaust gases; Diesel engines; Noise; Noise control; Noise sources; Vibration
• Old TRIS Terms: Diesel engine noise; Noise attenuation; Vibration levels
• Subject Areas: Environment; Railroads;

Filing Info

• Accession Number: 00128623
• Record Type: Publication
• Source Agency: American Society of Mechanical Engineers
• Report/Paper Numbers: 75-WA/DGP-3
• Files: TRIS
• Created Date: Jan 14 1976 12:00AM