Results 31 to 40 of about 1,017 (218)

Experimental study on the influence of the rotating cylinder and circling pistons on churning losses in axial piston pumps [PDF]

, 2017
Pressure and performance requirements of axial piston pumps and the proportion of churning losses in axial piston pumps increase significantly with increasing speed.
Ying Li, Fei Lv, Li, Ying, Min Pan, Junhui Zhang, Bing Xu, Zhang, Junhui, Xu, Bing, Pan, Min, Lv, Fei   +9 more
core   +1 more source

CFD Analysis of an Axial Piston Pump

, 2023
En el ámbito de la Oleohidráulica, las bombas de pistón poseen los diseños más sofisticados, de hecho, las bombas de pistones son las únicos capaces de trabajar a altas presiones, además de poseer el mejor rendimiento de todo el grupo de bombas existentes.
openaire   +4 more sources

Vibration Velocity Prediction with Regression and Forecasting Techniques for Axial Piston Pump

Applied Sciences, 2023
Measuring vibration velocity is one of the most common techniques to estimate the condition of industrial machines. At a constant operating point, as the vibration velocity value increases, the machine’s condition worsens.
Paweł Fic, Adam Czornik, Piotr Rosikowski   +2 more
doaj   +1 more source

Study on the Cavitation Suppression Mechanism of Axial Piston Pump

International Journal of Aerospace Engineering, 2022
Gaseous and vaporous cavitation is extremely harmful to axial piston pumps, such as reducing flow rate, increasing flow pulsation, increasing vibration, increasing noise, and shortening life.
Song Yan, Yi Jiang, Mengya Hu
doaj   +1 more source

Research on the improvement of tilt characteristics for the axial piston pump cylinder block based on the magnetic auxiliary support for distributing pair

Advances in Mechanical Engineering, 2023
Due to the unbalanced effect of force and torque on the axial piston pump cylinder block, a wedge angle of oil film exists between the valve plate and the cylinder block.
Biao Zhang, Boran Du, Dong Xiang, Jihai Jiang   +3 more
doaj   +1 more source

Cavitation intensity recognition for high-speed axial piston pumps using 1-D convolutional neural networks with multi-channel inputs of vibration signals

Alexandria Engineering Journal, 2020
Raising rotational speed is an effective way to improve power density of axial piston pumps, but high rotational speed tends to cause undesirable cavitation in the pump.
Qun Chao, Jianfeng Tao, Xiaoliang Wei, Yuanhang Wang, Linghui Meng, Chengliang Liu   +5 more
doaj   +1 more source

Fault Diagnosis of Axial Piston Pump Based on Extreme-Point Symmetric Mode Decomposition and Random Forests

Shock and Vibration, 2021
Aiming at fault diagnosis of axial piston pumps, a new fusion method based on the extreme-point symmetric mode decomposition method (ESMD) and random forests (RFs) was proposed.
Lei Yafei, Jiang Wanlu, Niu Hongjie, Shi Xiaodong, Yang Xukang   +4 more
doaj   +1 more source

Effect of clearance on volumetric efficiency in 2D piston pumps

Advances in Mechanical Engineering, 2021
In order to solve the limitations of the friction pairs in axial piston pumps on rotational speed and mechanical efficiency, a 2D piston pump whose 2D piston has two-degree-of-freedom motions of rotation and reciprocating motion was proposed by the ...
Yu Huang, Jian Ruan, Chuan Ding, Sheng Li   +3 more
doaj   +1 more source

Data-Driven Virtual Flow Rate Sensor Development for Leakage Monitoring at the Cradle Bearing in an Axial Piston Pump

Energies, 2022
The leakage of the tribological contact in axial piston pumps significantly impacts the pump efficiency. Leakage observations can be used to optimize the pump design and monitor the behavior of the tribological contact.
Minxing Liu, Garyeong Kim, Kai Bauckhage, Marcus Geimer   +3 more
doaj   +1 more source

Automatic Optimization of One-Dimensional CNN Architecture for Fault Diagnosis of a Hydraulic Piston Pump Using Genetic Algorithm

IEEE Access, 2023
A hydraulic piston pump is an essential component of a hydraulic transmission system and is extensively used in contemporary industrial settings. Therefore, fault diagnosis of piston pumps is a crucial topic in the engineering field.
Oybek Eraliev Maripjon Ugli, Kwang-Hee Lee, Chul-Hee Lee   +2 more
doaj   +1 more source