피스톤 슬랩에 의해 발생되는 엔진 진동의 예측 및 분석Estimation and Analysis of the Piston Slap Induced Vibration

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Piston slap is one of the sources producing engine block surface vibration and mechanical noise. To analyze piston slap-induced vibration, a realistic but simple model is proposed and verified experimentally. A piston is modeled by 3 degree of freedom system and an impact point between piston skirt and cylinder wall by 2 degree of freedom system. Numerical simulation estimates impact forces of piston in cylinder, and the engine block surface vibration response is predicted by the convolution of the impact forces with measured impulse responses. Experimental verification on the predicted response had been also performed by using a commercial 4-cylinder diesel engine. The predicted and experimental vibration responses confirm that the suggested model is practically useful.
Publisher
한국자동차공학회
Issue Date
1999
Language
KOR
Citation

한국자동차공학회 99년도 춘계학술대회 , pp.483 - 488

URI
http://hdl.handle.net/10203/137257
Appears in Collection
ME-Conference Papers(학술회의논문)
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