Numerical analysis on heat-flow-coupled temperature field for orthogonal face gears with oil–jet lubrication [PDF]
Engineering Applications of Computational Fluid Mechanics, 2021 Lubrication and cooling performances of face gears with oil–jet lubrication are closely related to the nozzle layouts. To investigate the influence of the nozzle layouts on the lubrication performance of the face gears, a numerical analysis method based ...
Bin Ouyang +3 more
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Evaluation and Optimization of the Oil Jet Lubrication Performance for Orthogonal Face Gear Drive: Modelling, Simulation and Experimental Validation [PDF]
Energies, 2019 The oil jet lubrication performance of a high-speed and heavy-load gear drive is significantly influenced and determined by the oil jet nozzle layout, as there is extremely limited meshing clearance for the impinging oil stream and an inevitable blocking
Yu Dai +4 more
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LubricantsThe transient lubrication conditions of rolling bearings are different in gearboxes and bearing testers. It has been observed that samples of qualified rolling bearings tested in rolling bearing testers often fail and do not meet lifespan requirements ...
Shushen Gao +6 more
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Numerical Analysis for Wetting Behaviors of an Oil Jet Lubricated Spur Gear [PDF]
Lubricants, 2022 As it is widely employed in the aeronautical transmission system, a better understanding of the oil jet lubrication behavior is vital to determine the total system energy consumption.
Yu Dai +3 more
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CFD Investigation on Oil Injection Lubrication of Meshing Spur Gears via Lattice Boltzmann Method
Lubricants, 2022 The meshless Lattice Boltzmann Method (LBM) is introduced and employed to solve the complex two-phase flow problem of jet lubrication of meshing spur gears. Computational fluid dynamics (CFD) simulations based on LBM are carried out using the model of an
Xiaozhou Hu +3 more
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Numerical Calculation Analysis and Characteristic Research on Windage Loss of Oil-Jet Lubricated Aviation Gear Pair [PDF]
International Journal of Aerospace Engineering, 2022 The VOF (volume of fluid) multiphase transient simulation model of the windage loss of the gear pair under oil-jet lubrication was carried out by using the dynamic mesh technology with the powerful parallel computing capabilities of the Super Cloud ...
Linlin Li +5 more
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Calculation method of impingement depth and multiple objective optimizations of nozzle layout for aviation gears considering windage [PDF]
Scientific ReportsAs the rotating speed of aviation gears becomes higher and higher, the influence of windage resistance on jet streamline must be considered in lubrication system design.
Linlin Li +3 more
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Lubricants, 2023 Aiming to explore the influence of nozzle layouts on the lubrication and cooling performance of spur gears under oil jet lubrication conditions, this paper introduces a heat-flow coupled analysis method to predict the temperature field of the tooth ...
Duan Yang +4 more
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Numerical Simulation of Oil Jet Lubrication for High Speed Gears [PDF]
International Journal of Aerospace Engineering, 2015 The Geared Turbofan technology is one of the most promising engine configurations to significantly reduce the specific fuel consumption. In this architecture, a power epicyclical gearbox is interposed between the fan and the low pressure spool. Thanks to
Tommaso Fondelli +4 more
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Determination of an Optimal Oil Jet Nozzle Layout for Helical Gear Lubrication: Mathematical Modeling, Numerical Simulation, and Experimental Validation [PDF]
Complexity, 2020 To provide a basic guidance for the selection of nozzle layout, a mathematical model of the impingement depth for helical gears under oil jet lubrication is established.
Yu Dai +3 more
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