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Noise of Diesel Engines Under Transient Conditions
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English
Abstract
Diesel engines accelerating under full load conditions radiate more noise from their surfaces than when they are run at steady speed with the same fuelling. This is particularly marked in urban driving conditions as engines are accelerated after running for long periods at idling or at part load, when the inlet manifold and piston temperatures are lower than they are at steady speed full load conditions. The work reported in this paper shows that the increase in noise originating from the combustion process is due to the lower temperature of the air charge. It is also shown how mechanical noise from piston slap increases under acceleration conditions.
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Citation
Head, H. and Wake, J., "Noise of Diesel Engines Under Transient Conditions," SAE Technical Paper 800404, 1980, https://doi.org/10.4271/800404.Also In
References
- Russell, M.F. “Automotive Diesel Engine Noise and its Control.” SAE Paper No. 730243 , International Automotive Engineering Congress, Detroit June 1973
- Challen, B.J. “The Effect of Combustion System on Engine Noise.” SAE Paper No. 750798 in SP391 , Diesel Engine Noise Conference 1975
- Watanabe, Y. Fujisaki H. Tsuda, T. “DI Diesel Engine Becomes Noisier at Acceleration - The Transient Noise Characteristic of the Diesel Engine.” SAE Paper 790269 , part of Proceedings, P80 of the Diesel Engine Noise Conference Feb. 26 - March 21 1979 Detroit
- Mills C.H.G. Robinson D.W. “The Subjective Rating of Motor Vehicle Noise.” Motor Industry Research Association April 1961
- Russell, M.F. “Automotive Diesel Engine Noise Analysis, Diagnosis and Control.” Lucas Engineering Review 7 4 Autumn 1979
- Russell, M.F. “CAV Research into Noise, Emissions and Fuel Economy of Diesel Engines.” SAE Paper No. 770257 , International Automotive Engineering Congress, Detroit Feb. 28 - March 4 1977
- Russell M.F. Cavanagh, E.J. “Establishing a Target for Control of Diesel Combustion Noise.” SAE Paper No. 790271 , International Automotive Engineering Congress, Detroit Feb. 1979