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액체로켓엔진 터보펌프 플로팅 링 실에 관하여: 연구동향 분석 및 향후 방향On the Floating Ring Seals for Liquid Rocket Engine Turbopumps: Present Works and Future Opportunities
- Other Titles
- On the Floating Ring Seals for Liquid Rocket Engine Turbopumps: Present Works and Future Opportunities
- Authors
- 류근
- Issue Date
- May-2024
- Publisher
- 한국추진공학회
- Keywords
- Seals(실); Floating Ring Seals(플로팅 링 실); Liquid Rocket Engine(액체로켓엔진); Cryogenic Fluid(극저온유체); Rotordynamcs(회전체동역학)
- Citation
- 한국추진공학회 2024년도 춘계학술대회 논문집, no.62, pp 74 - 75
- Pages
- 2
- Indexed
- OTHER
- Journal Title
- 한국추진공학회 2024년도 춘계학술대회 논문집
- Number
- 62
- Start Page
- 74
- End Page
- 75
- Abstract
- Floating ring seals, crucial components in liquid rocket engine turbopumps for propellant leakage control, can impact rotordynamic behavior and stability. This review summarizes the fundamentals of floating ring seal operation, highlighting the transition from floating to lock-up behavior and the associated generation of reaction forces and cross-coupled stiffnesses. Recent research findings on seal design modifications to mitigate instability are discussed, including the use of grooved seals and the optimization of seal geometry. The review concludes by identifying areas for future research, emphasizing the need for advanced modeling, novel seal designs, and experimental validation to enhance seal performance and ensure the reliable operation of turbopump systems.
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