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논문 기본 정보

자료유형
학술대회자료
저자정보
김승원 (현대자동차) 허성태 (현대자동차) 오태원 (현대자동차) 이병곤 (평화산업)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2020 한국자동차공학회 춘계학술대회
발행연도
2020.7
수록면
187 - 194 (8page)

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초록· 키워드

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The main role of the engine mountings is to hold the P/Train in the vehicle and insulate the vibration. Therefore, the main material of the engine mount consists of rubber with excellent vibration insulation. However, the behaviour of the P/train needs to be controlled in accordance with the demand for high speed driving and continuous vibration performance improvement, so the fluid system was applied. A fluid system consisting of orifice tubes will have damping performance at specific frequencies, controlling the behaviour of P/Train. However, the application of fluid mounts has the disadvantage of having high frequency dynamic characteristics disadvantage due to fluid, a non-compressive material inside rubber. As the high frequency dynamic characteristics increase, the mass damper lamp of more than 1 kg is continuously applied at each stage of development of the vehicle due to the deterioration of the combustion sound and acceleration transmission sound of the diesel engine. Mass dampers play a role of improving vibration sensitivity, but are very unfavorable structures in terms of cost and weight.
Thus, in this paper, the reverse-phase mount structure, which can improve high frequency dynamic properties while maintaining fluid mounts, has been applied. It was also proposed to remove volume-stiffness (resistance to fluid non-compression) by physically separating the rubber and fluid systems.

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Abstract
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