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
- 2024.12
- 수록면
- 326 - 331 (6page)
- DOI
- 10.7735/ksmte.2024.33.6.326
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초록· 키워드
오류제보하기
A combined bearing, which functions as both a journal and thrust bearing, is used to support the rotor of a gas turbine generator and has a compact size. The primary objective of this study was to confirm the oil flow lines of a thrust bearing using computational fluid dynamics (CFD). The oil nozzles between the thrust pads were confirmed to supply oil to the thrust pads. Another objective was to simulate the performance of the bearing, using two-way fluid-structure interaction (FSI). The load capacity of the bearing was found to be inferior due to the incorrect position of the pivot, which is crucial for the load capacity and minimum oil gap. A design of experiment (DOE) was performed to improve the minimum oil gap. The optimal point was selected using local sensitivity curves, in which yielded a 2.7 times increase in the minimum oil gap compared to the previous pivot position.
목차
ABSTRACT
1. 서론
2. 일체형 베어링 구조
3. 유동 해석
4. 결론
References
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