인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.6
- 수록면
- 268 - 277 (10page)
- DOI
- 10.5050/KSNVE.2017.27.3.268
이용수
초록· 키워드
The paper presents the dynamic model of a balance shaft module for an in-line three cylinders engine that has each cylinder"s phase interval of 120 deg. The balance shaft module (in addition to counter weights on crank arms) plays a key role to compensate for the engine vibrations caused by the pistons, crank arms and connecting rods which rotate or reciprocate in the engine. For three cylinders engines, the vibrations are attributed to pitching and yawing moments because all lateral forces (horizontal and vertical) cancel each other out. Therefore, the balance shaft is designed to compensate for those moments in three cylinders engines. First, the paper predicts the excitation forces from each cylinder and then assembles them to predict the total excitation forces and moments. Prediction shows that the resultant forces are null and the maximum amplitude of the pitching moment is 1225 N-m at 3000 r/min. Installation of the counter weights to the crank arms and the balance shaft (with out-of-phase unbalance) to the engine removes the major vibration component arising due to the primary pitching moment. Additional two balance shafts (with lightweight unbalance) to the engine are suggested to remove the minor vibration component arising due to the secondary pitching moment. The model predictions show that the no vibration occurs due to the engine pitching moment and the pitching moment reduction per added unbalance are very high, thus implying the effectiveness of the suggested balance shaft module.
#Balance Shaft(밸런스샤프트)
#3 Cylinders Engine(3기통 엔진)
#Counter Weight(평형추)
#ExcitationForce(가진력)
#Excitation Moment(가진모멘트)
#Dynamic Modeling(동역학적 모델링)
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목차
- ABSTRACT
- 1. 서론
- 2. 주가진원의 가진력 해석
- 3. 평형추 모델링 및 해석
- 4. 밸런스샤프트 모델링 및 해석
- 5. 잔류 피칭모멘트 상쇄를 위한 해석 모델
- 6. 결론
- Reference