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Interaction Between Swash Plate Movement And Commutation In Axial Piston Machines

2019 JFPS International Journal of Fluid Power System  
The study was based upon the floating cup principle, which is an axial piston pump with two cylinder blocks and two swash plates, and includes simulations as well as measurements.  ...  The pump's geometric data is derived from a fictional axial piston pump with a power output of about 30 kW.  ... 
doi:10.5739/jfpsij.11.49 fatcat:6pg4vshsczdrdfzdyufnea3r7m

A new design method for the transition region of the valve plate for an axial piston pump

Bing Xu, Ying-hui Sun, Jun-hui Zhang, Tong Sun, Ze-bing Mao
2015 Journal of Zhejiang University: Science A  
The noise reduction effect of the axial piston pump with this valve plate was analyzed by adopting a flow characteristic simulation model.  ...  Then, the impact of the flow ripple in the discharge line of an axial piston pump and the pressure overshoot and undershoot in the piston chamber on hydraulic and structural noise for axial piston pump  ...  Simulation model The test rig for output flow pulsations and the simulation model for flow characteristics and pressure overshoot of piston chamber of axial piston pump were established in accordance with  ... 
doi:10.1631/jzus.a1400266 fatcat:g7uu6eurnre67ex2igfoopdckm


L. Gilardino, S. Mancò, N. Nervegna, F. Viotto
1999 Proceedings of the JFPS International symposium on fluid power  
The paper presents an analysis of the simulated behaviour of two displacement control systems of an axial piston pump for open circuits.  ...  The model, at constant displacement values,has been fine tuned by direct comparison of simulated and experimental data.  ...  oil hydraulic axial piston pumps. .A trademark of IMAGINE, Roanne, France.  ... 
doi:10.5739/isfp.1999.85 fatcat:izokpf6ep5hzdnf355q5aqpon4

Study on the Influence of Flow Distribution Structure of Piston Pump on the Output of Pulsation Pump

Ruichuan Li, Jilu Liu, Xinkai Ding, Qi Liu
2022 Processes  
According to the working principle of the A10VNO swashplate axial piston pump, the output flow model of an axial piston pump in an ideal state and the output flow theoretical model of an axial piston pump  ...  The output flow pulsations of odd and even piston pumps are simulated and analyzed by Matlab, and the influence of a closed dead angle and a mismatch angle of the port plate on the output flow pulsation  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/pr10061077 fatcat:mt5bbxd5lzbk3aztbszt5pl3mm

Modeling and Performance Improvement of the Constant Power Regulator Systems in Variable Displacement Axial Piston Pump

Sung Hwan Park, Ji Min Lee, Jong Shik Kim
2013 The Scientific World Journal  
regulator system for a swashplate-type axial piston pump.  ...  The commercial numerical simulation software AMESim is applied to model the mechanical-type regulator with hydraulic pump and simulate the performance of it.  ...  Conclusion In this study, the constant power mechanical regulator system with variable displacement axial piston pump is considered.  ... 
doi:10.1155/2013/738260 pmid:24282389 pmcid:PMC3824334 fatcat:pn3yc7rlxrbvnnmbjbocnhbraa


S. Mancò, N. Nervegna, A. Lettini, L. Gilardino
2002 Proceedings of the JFPS International symposium on fluid power  
The present paper details advances attained in the modelling and simulation of axial piston pumps. The simulation envi-  ...  The model that can be merged with any circuit layout in AMESim is still in development but already constitutes a dependable and powerful tool for analysis and design of axial piston pumps.  ...  Figure 15 : 15 Simulated results of pump internal forces form the basis of a simulation model for axial piston qualitativelyinFig. 5.  ... 
doi:10.5739/isfp.2002.251 fatcat:veeedjfp45dolmsccylb5zk4au

The Research on Comprehensive Performance Evaluation of Axial Piston Pump Based on AHP

Li-rong Wan, Yan-jie Lu, Qing-liang Zeng, Kui-dong Gao, Shou-bo Jiang
2018 Mathematical Problems in Engineering  
Considering a model of load-sensitive axial piston pump with good operability as an example, the model development and simulation of the pump were carried out based on AMESim and the pump was tested using  ...  axial piston pump on the basis of theoretical analysis, test, operator interaction, and application.  ...  Xu et al. studied axial piston pumps using the radial micromotion and pressure distribution in combination with a numerical simulation model and the flow pulsation under steady and transit states; they  ... 
doi:10.1155/2018/9469064 fatcat:chl4sepmbrbl3mwggm4ivnpnjy

Assessment of the Dynamics Flow Field of Port Plate Pair of an Axial Piston Pump

Quan, Gao, Guo, Che
2020 Processes  
This paper aims at studying the dynamic fluid evolution process of port plate pair of an axial piston pump.  ...  with different speeds of pistons and velocities of inlet fluid by using computational fluid dynamics software.  ...  Simulation Results of Dynamic Flow Field with Different Pump Inlet Flows When the piston moving speed was 5.9 mm/s, the numerical simulation results of dynamic flow fields with different pump inlet flows  ... 
doi:10.3390/pr8010086 fatcat:bpzve5pwcvcvhetctdnov2jf5y

Control and Dynamic Characteristics Analysis for the Double-Compound Axial Piston Pump Based on Working Conditions

Zhiyuan Sun, Qingliang Zeng, Lirong Wan, Hanzheng Dai
2022 Machines  
The paper provides a basis for the analysis and optimization of power control, flow pulsation, fluid vibration, and noise of the double-compound axial piston pump.  ...  The periodic flow and pressure pulsation of the axial piston pump can lead to periodic vibration, noise, and even damage to various components in the hydraulic system.  ...  Table 4 . 4 Design value, test value, and simulation value of characteristic flow points. Condition No.  ... 
doi:10.3390/machines10060411 fatcat:kqxvekktsbc2jpe3tpu7eq5uvu

Multidisciplinary Design Optimization of a Swash-Plate Axial Piston Pump

Guangjun Liu, Zhaocheng Zhou, Xin Qian, Xiaofeng Wu, Weihai Pang
2016 Applied Sciences  
This work proposes an MDO (multidisciplinary design optimization) procedure for a swash-plate axial piston pump based on co-simulation and integrated optimization.  ...  Comparing the experimental and simulation results shows that MDO method is effective and feasible in the optimization design of the pump.  ...  In this work, an MDO (multidisciplinary design optimization) of a swash-plate axial piston pump is conducted based on simulation technology and integrated optimization.  ... 
doi:10.3390/app6120399 fatcat:hlvtbxokavacnibr5hoa4fsolm


2002 Proceedings of the JFPS International symposium on fluid power  
This paper introduces a new method for complex gap flow simulation of connected and self-adjusting gaps of axial piston machines, where the model for the piston/cylinder pair was extended to consider elastohydrodynamic  ...  The simulation model has been verified with the help of friction force measurements on the piston/cylinder assembly.  ...  Here the elements of stiffness matrix cover the dependency of surface deformation on the given design of parts (piston and cylinder bushing) and the chosen material, i.e. they are assumed to be constant  ... 
doi:10.5739/isfp.2002.219 fatcat:m67qly6mfja5ton2aytr6sxgve

Study on Restraining Cavitation of Axial Piston Pump Based on Structure of Cylinder Block and Valve Plate Triangular Throttling Groove

Sun Zegang, Li Yundong, Liang Ning, Zhong Hongmin
2022 Shock and Vibration  
of the valve plate triangular throttling groove, the optimized structure of anticavitation of the axial piston pump is proposed, and the simulation results show that the improved axial piston pump has  ...  In order to reduce the cavitation of axial piston pump and improve the performance of axial piston pump, the optimization of anticavitation structure parameters of cylinder block and valve plate throttling  ...  Axial Piston Pump Fluid Cavitation Simulation Model. e flow channel geometry and its mesh model of an axial piston pump are established by Gambit software, as shown in Figures 2 and 3 .  ... 
doi:10.1155/2022/6918936 doaj:82dc168217754388b1dc6aa842555987 fatcat:mgpyqtip3vbdnnrxywda65numy

Study of flow ripple characteristics in an innovative two-dimensional fuel piston pump

Shengnan Shentu, Jian Ruan, Jiayuan Qian, Bin Meng, Lingfeng Wang, Shuaishuai Guo
2019 Journal of the Brazilian Society of Mechanical Sciences and Engineering  
To meet the requirements of fuel pumps with high efficiency, high power density, and low flow ripple for modern advanced aircraft, we hereby propose a two-dimensional piston pump (called 2D pump).  ...  A single piston with both rotary and linear motions is used to combine the flow distributing and volumetric varying functions together.  ...  Author contributions All authors designed and performed the analysis, numerical simulations, and experiments. The manuscript was written through contributions from all authors.  ... 
doi:10.1007/s40430-019-1973-7 fatcat:amtphj4ldjbu7kae4djv4nvcem

Investigation on the Cross Power Control of Axial Piston Double Pump Based on the Virtual Prototype

Bin ZHANG, Bing XU, Huayong YANG, Degang LUO
2009 Journal of Advanced Mechanical Design, Systems, and Manufacturing  
In order to improve the power control flexibility of axial piston double pump and reduce energy consumption, a cross power control mechanism of double pump is developed.  ...  And both the experiment results and simulation results were used to prove the performance of summation power control.  ...  The pump is a kind of bent axis design, and two axial piston rotary groups share one housing.  ... 
doi:10.1299/jamdsm.3.277 fatcat:c77kdzor25ak3ahps4uj77wspm

Effects of index angle on flow ripple of a tandem axial piston pump

Bing Xu, Shao-gan Ye, Jun-hui Zhang
2015 Journal of Zhejiang University: Science A  
In this paper, a simulation model of an axial piston pump is developed based on a single piston chamber model, for capturing the dynamic characteristics of the discharge flow rate.  ...  A high noise level is one of the prominent shortcomings of an axial piston pump which is widely used in industrial and mobile applications.  ...  of the axial piston pump.  ... 
doi:10.1631/jzus.a1400309 fatcat:6b36huczqbedxeuxg5e2zxb5vi
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