Results 1 to 10 of about 13,196 (291)
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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Investigation of the Churning Loss Reduction in 2D Motion-Converting Mechanisms [PDF]
Energies, 2021 In recent years, two dimensional (2D) hydraulic components have significantly flourished. After a brief development introduction of the 2D pump and 2D flowmeter, it could be concluded that the churning loss, which is caused by the rotational motion of 2D
Chuan Ding +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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A model formulation for the prediction of churning power loss in worm gear transmission [PDF]
Tribology and Materials, 2022 Churning power loss is a complex process that causes significant loss of energy under splash lubrication of gear units. A set of empirical equations are available that allows for precise churning power losses calculation for only the parallel axis gears.
Hardik Chothani, Kalpesh Maniya
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Development of an analytical model to predict the churning power losses of an orthogonal face gear
Engineering Science and Technology, an International Journal, 2023 As one of the basic energy dissipations for one orthogonal face gear running partially submerged in an oil bath, there is no open literature concerned on the churning power losses of the face gear.
Xiang Zhu, Yu Dai
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International Journal of Thermofluids, 2022 This paper presents results of a numerical study of thermal losses generated within an internal gear train consisting of a pinion and an annular gear.
Ahmed M. Teamah, Mohamed S. Hamed
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Encyclopedia, 2023 The term churning is defined by a multifaceted approach and is quite a complex concept that has been gaining relevance in the field of human resources, due to the problematic loss of investment, originating from the voluntary exits of worker-associated ...
Olga Alexandra Chinita Pirrolas +1 more
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Agriculture, 2023 Recent carbon neutrality policies have led to active research in the agricultural tractor sector to replace internal combustion engines, making it imperative to minimize power losses to improve efficiency.
Hyoung-Jong Ahn +3 more
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Numerical Investigation of Oil–Air Flow Inside Tapered Roller Bearings with Oil Bath Lubrication [PDF]
Journal of Applied Fluid Mechanics, 2023 Oil–air flow within an oil bath lubrication tapered roller bearing is essential for the lubrication and cooling of the bearing. In this paper, we develop a simulation model to investigate the flow field of tapered roller bearings with oil bath ...
Z. Wang +5 more
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Numerical and experimental study on the churning losses of 2D high-speed piston pumps
Engineering Applications of Computational Fluid Mechanics, 2020 This paper first introduces the structure and working principle of a 2D piston pump invented by the research team that the authors are involved with. Afterward, the mechanism of the churning losses caused by the pump’s moving parts, which are rotating in
Yu Huang +3 more
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