Results 221 to 230 of about 909,329 (315)

Study on the influence of working condition variation on lubrication characteristics of EHA internal pump. [PDF]

Sci Rep
Zhang Y, Chen Z, Che J, Liao J.
europepmc   +1 more source

Design and development of an affordable multi-mode small animal ventilator. [PDF]

Sci Rep
Dzierzawski P, Flamm B, Hegele V, Spassov S, Wenzel C, Schumann S, Lozano-Zahonero S.   +6 more
europepmc   +1 more source

Experimental Investigation on the Performance of Full Tailings Cemented Backfill Material in a Lead-Zinc Mine Based on Mechanical Testing. [PDF]

Materials (Basel)
Yang N, Ou R, Bu R, Sun D, Yan F, Wang H, Liu Q, Tang M, Li X.   +8 more
europepmc   +1 more source

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Performance Prediction of an Axial Piston Pump with Increasing Severity of Leakage Fault in Single and Multiple Cylinders

Journal of Dynamic Systems Measurement, and Control, 2022
As axial piston pumps (APP) become increasingly compact to meet the size, weight, and performance demands (high pressure ratings), they are prone to wear, and hence the leakage between the sliding parts, which run under tight tolerances.
Rishabh Gupta, Ankur Miglani, P. K. Kankar   +2 more
semanticscholar   +1 more source

A new coupled dynamic model to study the vibration and lubrication characteristics of slipper/swash-plate interface in an axial piston pump

Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
A new integrated dynamic model is developed by examining the motion equations and kinematics of the slipper and piston, coupled with the lubrication properties of the oil film. This model simultaneously addresses the dynamic vibrations of the slipper and
Shaogan Ye, Yintong Sun, Junhui Zhang, Jian Chen, Bing Xu, Shoujun Zhao, Huixiang Liu   +6 more
semanticscholar   +1 more source

Study on mechanical efficiency in a 2D piston pump with rail rotation based on Hertz contact theory

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2022
A 2D piston pump’s mechanical efficiency is limited at high rotational speeds, in particular, its mechanical efficiency decreases as its load pressure rises. In this paper, the conventional 2D piston pump is redesigned by changing its suspension rotation
Yu Huang, Wei Shao, W. Yu, Li Liu, C. Ding, J. Ruan   +5 more
semanticscholar   +1 more source

Design and experimental validation of a valve-distributed water radial piston pump

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
In underground coal mining, there is an urgent need for reducing the noise, hydraulic shock, and leakage of reciprocating pumps. Flow pulsation is strongly dependent on the number of pistons for single-acting reciprocating pumps.
Ran Li, Wenshu Wei, Hao Liu, Xiangyu Geng, Jianqiang Cui, Zongkai Guo, Dongze Li, Tianliang Yu, Da-lin Wang, Xiaoming Yuan, Shijun Lv, Na Gao   +11 more
semanticscholar   +1 more source

Cavitation in a high-speed aviation axial piston pump over a wide range of fluid temperatures

Proceedings of the Institution of mechanical engineers. Part A, journal of power and energy, 2021
The axial piston pump in aerospace applications needs to operate over a wide range of fluid temperatures from −54°C to 135 °C. The fluid properties at such extreme temperatures will significantly affect the cavitation that is one of the major limiting ...
Qun Chao, Zi-chen Xu, Jianfeng Tao, Chengliang Liu, Jiang Zhai   +4 more
semanticscholar   +1 more source

A mercury piston pump

Journal of Scientific Instruments, 1966
A hydrocarbon-free backing pump is described in which only stainless steel, tungsten carbide and mercury are exposed to the vacuum system. The pumping speed is approximately 41. min-1 and the lowest pressure measured using the pump in conjunction with a cold trap was approximately 20 μtorr.
A J Davis, G J Ogilvie
openaire   +1 more source