Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)
- 2003.11a
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- Pages.471-477
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- 2003
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- 1598-2548(pISSN)
Test Results of Correlation between Behavior and Dynamic Characteristics of Floating Ring Seal In High Pressure Turbopump
고압 터보펌프용 플로팅 링 실의 거동과 동특성의 상관관계에 관한 실험
Abstract
The floating ring seal is often used in the turbopump (TP) unit of liquid rocket engine (LRE) owing to its inherent ability of minimizing the leakage flow and superior dynamic characteristics as well. This paper describes the test results concerned with the lock-up and dynamic characteristics of the floating ring seals in the turbopump. The characteristics of the floating ring seals were extracted from the frequency response function (FRF) by instrumental variable method. The experiment was tested at 7.0MPa and 0-24,800 rpm. And the test results were introduced about the dynamic characteristics of floating ring seal related with the eccentricity and attitude angle.
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