Analysis of piston slap induced noise and vibration of internal combustion engine (effect of piston profile and pin offset)

Kazuhide Ohta; Kenji Amano; Akihiro Hayashida; Guangzu Zeng; Iwao Honda

doi:10.1299/kikaic.75.256

Analysis of piston slap induced noise and vibration of internal combustion engine (effect of piston profile and pin offset)

Kazuhide Ohta, Kenji Amano, Akihiro Hayashida, Guangzu Zeng, Iwao Honda

Dynamics of Mechanical Systems

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This paper presents the analytical method to evaluate the impact force and engine noise induced by piston slap considering the detailed piston profile. This method is applied to examine the effect of the piston profile on piston slap impact force and frequency spectrum related to the engine noise. The tendency of the piston pin offset to abate the piston slap is compared with the measured one to confirm the availability of this method. And it is pointed out that piston movement in the vicinity of the combustion top dead center is governed by the friction moment around the piston pin and the additional piston pin offset moment induced by combustion pressure.

Original language	English
Pages (from-to)	256-261
Number of pages	6
Journal	Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	75
Issue number	750
DOIs	https://doi.org/10.1299/kikaic.75.256
Publication status	Published - Feb 2009

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1299/kikaic.75.256

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Analysis of piston slap induced noise and vibration of internal combustion engine (effect of piston profile and pin offset). / Ohta, Kazuhide; Amano, Kenji; Hayashida, Akihiro et al.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 75, No. 750, 02.2009, p. 256-261.

Research output: Contribution to journal › Article › peer-review

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AU - Honda, Iwao

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AB - This paper presents the analytical method to evaluate the impact force and engine noise induced by piston slap considering the detailed piston profile. This method is applied to examine the effect of the piston profile on piston slap impact force and frequency spectrum related to the engine noise. The tendency of the piston pin offset to abate the piston slap is compared with the measured one to confirm the availability of this method. And it is pointed out that piston movement in the vicinity of the combustion top dead center is governed by the friction moment around the piston pin and the additional piston pin offset moment induced by combustion pressure.

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Analysis of piston slap induced noise and vibration of internal combustion engine (effect of piston profile and pin offset)

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