Results 1 to 10 of about 10,563 (212)

An Empirical Model for the Churning Losses Prediction of Fluid Flow Analysis in Axial Piston Pumps [PDF]

open access: yesMicromachines, 2021
The manufacturing development of axial piston pumps usually takes the trend of high speed and miniaturization, and increases power density. Axial piston pumps are usually characterized as high speed to improve the power density; thus, high-speed churning
Ying Li, Xing Chen, Hao Luo, Jin Zhang
doaj   +2 more sources

Influence of Piston Number on Churning Losses in Axial Piston Pumps

open access: yesChinese Journal of Mechanical Engineering, 2022
Raising the rotational speed of an axial piston pump is useful for improving its power density; however, the churning losses of the piston increase significantly with increasing speed, and this reduces the performance and efficiency of the axial piston ...
Ying Li   +4 more
doaj   +2 more sources

Fault Diagnosis Method for Axial Piston Pump Slipper Wear Based on Symmetric Dot Pattern and Multi-Channel Densely Connected Convolutional Networks [PDF]

open access: yesSensors
Fault diagnosis in axial piston pumps is key to ensuring the proper operation of a hydraulic system. Slipper wear, as a typical fault in piston pumps, is challenging to accurately diagnose because the faults are very similar for different forms and ...
Huijiang An   +9 more
doaj   +2 more sources

Capped piston: A promising design to reduce compressibility effects, pressure ripple and cavitation for high-speed and high-pressure axial piston pumps

open access: yesAlexandria Engineering Journal, 2023
Raising rotational speed and operating pressure is an effective way to increase the power density of axial piston pumps. However, the axial piston pump with standard hollow pistons suffers from problems of volumetric losses, pressure ripple, and ...
Qun Chao   +3 more
doaj   +1 more source

Advanced Control Systems for Axial Piston Pumps Enhancing Variable Mechanisms and Robust Piston Positioning

open access: yesApplied Sciences, 2023
Axial piston pumps provide a number of benefits, including strong pressure resistance, high efficiency, high transmission power, a broad speed range, and a long lifespan.
Yuan Feng   +5 more
doaj   +1 more source

Challenges and Solutions for High-Speed Aviation Piston Pumps: A Review

open access: yesAerospace, 2021
As a core power component, aviation piston pumps are widely used in aircraft hydraulic systems. The piston pump’s power-to-weight ratio is extremely crucial in the aviation industry, and the “ceiling effect” of the PV value (product of compressive stress
Chenchen Zhang   +3 more
doaj   +1 more source

Modelling and Fault Detection for Specific Cavitation Damage Based on the Discharge Pressure of Axial Piston Pumps

open access: yesMathematics, 2022
Cavitation will increase the leakage and discharge pressure fluctuation of axial piston pumps. In particular, specific cavitation damage may aggravate the pressure impact and performance degradation. The influence of the specific cavitation damage on the
Shiqi Xia, Yimin Xia, Jiawei Xiang
doaj   +1 more source

A Novel Approach of Studying the Fluid–Structure–Thermal Interaction of the Piston–Cylinder Interface of Axial Piston Pumps

open access: yesApplied Sciences, 2021
The friction in the swash plate type axial piston pumps is mainly influenced by the fluid film in the friction interface. The piston–cylinder interface is one of the key friction interfaces in the pumps. The film geometry is determined by the gap between
Junjie Zhou, Tianrui Li, Dongyun Wang
doaj   +1 more source

Dynamic Response Analysis of the Bi-Tandem Axial Piston Pump with Dual-Loop Positive Flow Control under Pressure Disturbance

open access: yesActuators, 2023
The bi-tandem axial piston pump is an indispensable powerhouse in high-pressure and high-power engineering hydraulic systems, with its output flow response characteristics under pressure disturbance exerting a significant influence on the working process
Zhiyuan Sun   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy