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.
- 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.
American Society of Mechanical EngineersTwo Park Avenue
New York, NY USA 10016-5990
- Srivastava, N S
- Kumar, S
- Publication Date: 1975-5
- Features: Figures; References; Tables;
- Pagination: 8 p.
- 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;
- 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