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논문 기본 정보

자료유형
학술저널
저자정보
Yong Wang (Suzhou Vocational InstituteOf Industrial Technology) Qin Pi (Jiangsu University) Jie Chen (Jiangsu University) Houlin Liu (Jiangsu University) Sijia Yang (Jiangsu University)
저널정보
한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.17 No.3
발행연도
2024.9
수록면
151 - 163 (13page)
DOI
10.5293/IJFMS.2024.17.3.151

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초록· 키워드

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The unreasonable design of pressure differential valve may lead to unstable oil supply of aero-engine lubrication system. In order to find the optimization method of pressure differential valve structure, taking the oil supply subsystem of lubrication system as the research object, to study the effect of different pressure differential valve structure parameters on the oil supply pressure characteristics of aero-engine lubrication system by using a combination of numerical simulation and experimental verification. The results show that: (1) The reduction of spool damping hole diameter can improve the stability of oil supply pressure, but the dynamic performance becomes worse, and there is a large pressure peak; (2) Increase the diameter of the overflow hole can optimize the dynamic characteristics and stability of the oil supply pressure at the same time, to achieve stable oil supply; (3) Reduce the spring stiffness can weaken the oil supply pressure fluctuations and improve the stability of oil supply, but the pressure overshoot and rise time increase, resulting in poor dynamic performance.

목차

Abstract
1. Introduction
2. Research object and experimental test system
3. Numerical calculation method
4. Results and analysis
5. Discussion
6. Conclusions
References

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