Results 1 to 10 of about 228 (170)
Aerospace, 2021 Limited by the space and weight of the reducer, it is difficult to use traditional oil-jet lubrication and splash lubrication for a light helicopter, so an oil-guiding splash lubrication method is adopted as a research object in this paper.
Yu Dai, Xiang Zhu, Mei Yin
exaly +3 more sources
Performance of a New Aeronautic Oil-Guiding Splash Lubrication System
Lubricants, 2022 Among ever-increasing demands for low power consumption, low weight, and compact reducer systems, an oil-guiding splash lubrication method integrating the oil-guiding cylinder and pipes is suggested to be more suitable for light helicopters, instead of ...
Yu Dai, Xiang Zhu
exaly +3 more sources
A novel lubricating method of oil pump with self-adaptive adjustment function for transmission [PDF]
Scientific ReportsAt present, the lubrication of transmission in vehicles cannot be adjusted according to driving conditions, especially vehicles’ speed, resulting in low lubrication efficiency and high energy loss.
Yangfeng Cao +4 more
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CFD Investigation into Flow Characteristics of a Special Splash Lubrication in Light Helicopters
Aerospace, 2022 Lubricating oil flow characteristics are the primary concern in the main reducer of light helicopters. To improve the lubricating performance of the main reducer, a special lubrication system is innovatively constructed by adding two oil-guiding tubes to
Yu Dai, Xiang Zhu, Liu He
exaly +3 more sources
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
doaj +1 more source
Applied Sciences, 2020 In this study, we propose a computational fluid dynamics (CFD)-based method to study the lubrication and temperature characteristics of an intermediate gearbox with splash lubrication.
Fengxia Lu +4 more
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Research on Splash Lubrication Characteristics of a Spiral Bevel Gearbox Based on the MPS Method
Lubricants, 2023 In order to accurately and efficiently analyze the distribution law and motion status of lubricating oil in the spiral bevel gearbox of the electric multiple unit (EMU), a high-fidelity 3D CFD model of the spiral bevel gearbox of the EMU was established ...
Longjiang Shen +4 more
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Simulation and Experimental Study on Splash Lubrication Flow Field in Gearbox of EMU
Jixie chuandong, 2022 Splash lubrication is the most important lubrication method in gearbox of EMU at present，it is of great significance to study the law of flow field distribution for gear box lubrication.
Kaiwen Lu +5 more
doaj
Optimization Study of Gear Oil-air Lubrication Parameters Based on Orthogonal Test Method
Jixie chuandong, 2022 In order to provide a feasible lubrication means under starved condition， the gear transmission effect and the optimal oil-air parameters using oil-air lubrication are explored.
Chang Lu +3 more
doaj
Influence of the Dynamic Motion of a Splash-Lubricated Gearbox on Churning Power Losses
Energies, 2019 To investigate the influence of the dynamic motion of a gearbox on lubricating flow field and churning power losses under splash lubrication, a computational fluid dynamics (CFD) method based on a combination of the fluid of volume (VOF) method and ...
Xiaozhou Hu, Pingping Li, Minggui Wu
doaj +1 more source