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Piston Slap Induced Noise and Vibration of Internal Combustion Engines (1st Report, Theoretical Analysis and Simulation)
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English
Abstract
This paper presents an analytical model of the impact force and the vibratory response of cylinder liner induced by the piston slap in internal combustion engines. In this method, the equation of motion for the coupled system of piston and cylinder liner is derived, taking account of several resonant modes of the cylinder liner to simulate accurately time histories of the impact force and the vibratory response. As practical example, the piston slap phenomenon in a six cylinder diesel engine with wet liners is analyzed at rotational speed N = 1800, 2300 rpm, using the dynamic characteristics of the cylinder liner that were experimentally determined. The calculated results show that the impact force is amplified by the piston-liner impact vibration as compared with the piston side force and that both the time history and the frequency spectrum of cylinder liner acceleration agree well with measured results.
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Authors
Citation
Ohta, K., Irie, Y., Yamamoto, K., and Ishikawa, H., "Piston Slap Induced Noise and Vibration of Internal Combustion Engines (1st Report, Theoretical Analysis and Simulation)," SAE Technical Paper 870990, 1987, https://doi.org/10.4271/870990.Also In
References
- Dejong R.G. Parsons N.E. “High Frequency Vibration Transmission through the Moving Parts of an Engine.” SAE Paper 800405
- Miura A. “Piston Slap.” Nissan Diesel Giho 45 1982
- Rohrle M.D. “Affecting Diesel Engine Noise by the Piston.” SAE Paper 750799
- Tsuda K. Koizumi T. “Mechanics of Piston Slap.” JSME Trans. 40 334 1974
- Ungar E.E. Ross D. “Vibration and Noise due to Piston-Slap in Reciprocating Machinery.” J. Sound and Vibration 2 2 1965
- Haddad S.D. Howard D.A. “Analysis of Piston Slap-Induced Noise and Assessment of Some Method of Control in Diesel Engines.” SAE Paper 800517
- Yonezawa T. Kanida H. Katsuragi K. “Study on Cavitation Erosion of the Cylinder Liner.” JSME Trans. 50 459 1984
- Honda I. Irie Y. “A Method of Modal Parameter Estimation from Measured Frequency Response.” ASME. Structural Dynamics - PVP 98-6 1985
- Hurty W.C. Rubinstein M.F. “Dynamics of Structures.” Prentice - Hall, Inc. 1964