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Numerical Analysis of the Water Film Characteristics in the Eccentric State of a Radial Piston Pump
Jiang, Q.; Yang, H. B.; Yu, Y.; Cai, L. M.; Cheng, X. K.
2018
发表期刊Ieee Access
ISSN2169-3536
卷号6页码:15274-15282
摘要This paper investigates the working efficiency and reliability of a piston pair of radial piston pumps by accurately calculating the shape and pressure distribution of the piston pair. First, a leakage model of the piston pair is established based on the equivalent liquid resistance and adaptive eccentricity. This model considers the piston micro-motion in the cylinder and the force balance. Then, the piston clearance shape and pressure distribution are numerically simulated using a genetic algorithm and the finite-volume method, and the clearance leakage flow is discussed. The example analysis demonstrates the accuracy of the model; the iterative algorithm has good numerical stability at the given precision and can rapidly converge to the global optimal solution of the model to obtain the real-time piston eccentricity state and pressure distribution with high accuracy. The results demonstrate that the model has high accuracy. Finally, the effects of various parameters such as the piston diameter, initial clearance of the piston pairs, and piston speed on the leakage rate are discussed. The conclusions of this paper provide guidance for the design of water piston pumps.
关键词Equivalent liquid resistance leakage piston pump pressure distribution self-adaptive eccentricity thermal-elastohydrodynamic lubrication integral transform reynolds-equation fluid cylinder Computer Science Engineering Telecommunications
DOI10.1109/access.2018.2808298
收录类别SCI ; EI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/61083
专题中国科学院长春光学精密机械与物理研究所
推荐引用方式
GB/T 7714
Jiang, Q.,Yang, H. B.,Yu, Y.,et al. Numerical Analysis of the Water Film Characteristics in the Eccentric State of a Radial Piston Pump[J]. Ieee Access,2018,6:15274-15282.
APA Jiang, Q.,Yang, H. B.,Yu, Y.,Cai, L. M.,&Cheng, X. K..(2018).Numerical Analysis of the Water Film Characteristics in the Eccentric State of a Radial Piston Pump.Ieee Access,6,15274-15282.
MLA Jiang, Q.,et al."Numerical Analysis of the Water Film Characteristics in the Eccentric State of a Radial Piston Pump".Ieee Access 6(2018):15274-15282.
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