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
- 저널정보
- 한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) Journal of the Korean Society of Marine Engineering Vol.31 No.3
- 발행연도
- 2007.5
- 수록면
- 215 - 223 (9page)
이용수
초록· 키워드
오류제보하기
When the propulsion shafting system of marine diesel engine is designed, the vibratory stresses on shafts should be reviewed and be satisfied with limits which are laid down by classification societies. In addition, the torsional vibration aspects for crankshaft of main engine are requested to be checked by engine designers.
Especially, for the 4, 5, and 6 cylinder engines, the 2nd order moment compensator(s) may be installed to compensate the external moments of engine and not to excite the hull girder vibration. This moment compensator which is mounted on fore and/or after end of engine is driven by the roller chain drive for some of MAN 2 stroke diesel engines. While the engine is running, the roller chain is worn down, which causes the extension of roller chain. The chain therefore should be checked and tightened by periods in order to keep its functionality.
However, when the torsional angular acceleration of chain drive exceeds the certain limit, the chain will suffer the excessive slack and transverse vibration. This may cause fatigue, wear or damage on the chain and the chain ultimately may be broken.
The research object of this thesis is to review factors which affect the angular acceleration of chain drive and to find out how to decrease the angular acceleration of driving chain by checking factors which have a major contribution to acceleration reduction using the statistical method of DOE(design of experiment), correlation analysis and regression analysis methods.
Especially, for the 4, 5, and 6 cylinder engines, the 2nd order moment compensator(s) may be installed to compensate the external moments of engine and not to excite the hull girder vibration. This moment compensator which is mounted on fore and/or after end of engine is driven by the roller chain drive for some of MAN 2 stroke diesel engines. While the engine is running, the roller chain is worn down, which causes the extension of roller chain. The chain therefore should be checked and tightened by periods in order to keep its functionality.
However, when the torsional angular acceleration of chain drive exceeds the certain limit, the chain will suffer the excessive slack and transverse vibration. This may cause fatigue, wear or damage on the chain and the chain ultimately may be broken.
The research object of this thesis is to review factors which affect the angular acceleration of chain drive and to find out how to decrease the angular acceleration of driving chain by checking factors which have a major contribution to acceleration reduction using the statistical method of DOE(design of experiment), correlation analysis and regression analysis methods.
목차
Abstract
1. Introduction
2. Chain drive system and the angular acceleration of chain drive wheel
3. Mathematical equation of propulsion shafting system
4. Reduction of angular acceleration using Design of Experiment
5. Review of analysis and angularacceleration reduction
6. Conclusion
References
Author Profile
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UCI(KEPA) : I410-ECN-0101-2009-559-016692103