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논문 기본 정보

자료유형
학술저널
저자정보
ShaoNian Li (Lanzhou University of Technology) ZhenGang Yun (Lanzhou University of Technology) KaiFeng Wang (Lanzhou University of Technology) LiTing Fu (Lanzhou University of Technology)
저널정보
한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.17 No.3
발행연도
2024.9
수록면
164 - 177 (14page)
DOI
10.5293/IJFMS.2024.17.3.164

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초록· 키워드

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To reduce the failure, deformation, and damage of slipper pair in radial piston pumps, Theoretical research and numerical modeling were conducted on the structure, kinematics principle, and stroke ring-slipper components force analysis of the radial piston pump, Through the theoretical analysis of the hydrostatic bearing oil film of the slipper pair, The obtained the static characteristic curve of the slipper pair, the oil film backthrust, the oil film stiffness, the power loss, and the optimal oil film thickness, reflecting the relationship between the oil film thickness, operating pressure, and the former. Subsequently, the dynamic characteristics equation of the oil film for the slipper pair under impact load was established, and the conclusion obtained by using the fourth-order Runge-Kutta method is as follows: during the oil film squeezing process, the fluctuation of the oil film increases monotonically with time t, during the establishment of the oil film, oil film fluctuation generates damping oscillations, eventually tending to balance the oil film thickness. Conversely, without considering the squeezing effect, the dynamic process of the oil film diverges. Finally, the influence of the slipper structural parameters on the dynamic characteristics of the slipper pair oil film under impact load was studied, The results show that when the sealing strip area decreases or Δp and h0 increases, the fluctuation caused by oil film squeezing becomes larger. However, as the oil film establishes, the fluctuation amplitude of the oil film varies directly with the sealing strip area、Δp and h0, When the adjustment time ts<t is reached, the ratio of the fluctuation of the oil film to the equilibrium oil film thickness is less than 3%.

목차

Abstract
1. Introduction
2. Radial piston pump system description
3. Mathematical model of slipper pair
4. Theoretical analysis of oil film on slipper pair of radial piston pump
5. Dynamic characteristics analysis of oil film of sliding slipper pair under impact load
6. Conclusion
References

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