Results 1 to 10 of about 562 (192)
An Empirical Model for the Churning Losses Prediction of Fluid Flow Analysis in Axial Piston Pumps [PDF]
Micromachines, 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
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Alexandria 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
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Influence of Piston Number on Churning Losses in Axial Piston Pumps
Chinese 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
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Fault Diagnosis Method for Axial Piston Pump Slipper Wear Based on Symmetric Dot Pattern and Multi-Channel Densely Connected Convolutional Networks [PDF]
SensorsFault 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
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Energies, 2018 The loss of kinetic energy of moving parts due to viscous friction of lubricant causes the reduction of piston pump efficiency. The viscosity of lubricant film is mainly affected by the thermal effect. In order to improve energy efficiency of piston pump,
Yueheng Song, Jiming Ma, Shengkui Zeng
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Alexandria Engineering JournalLarge displacement axial piston pumps (>500 mL/r) are the core power components of large construction machineries' hydraulic system. The demand for higher power in large construction machinery is increasing.
Yimin Xia +6 more
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Applied 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
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Challenges and Solutions for High-Speed Aviation Piston Pumps: A Review
Aerospace, 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
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Mathematics, 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
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Applied 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
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