Results 11 to 20 of about 595,906 (266)

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, Antonio Andreini, Riccardo Da Soghe, Bruno Facchini, Lorenzo Cipolla   +4 more
doaj   +3 more sources

Determination of an Optimal Oil Jet Nozzle Layout for Helical Gear Lubrication: Mathematical Modeling, Numerical Simulation, and Experimental Validation

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, Jifu Jia, Bin Ouyang, Jianeng Bian   +3 more
doaj   +2 more sources

Design of Jet Control Device for Forced Lubrication System of Bearing

Journal of Physics: Conference Series
Abstract In response to the problem of poor lubrication effect and unstable bearing operation leading to bearing failure in traditional bearings, the solution of installing a jet device on the bearing has been proposed. Using numerical calculation software, analyze the impact of installing a semi-circular or 1/4 circular jet device on ...
Jichuan Tang, Tianhao Wang, Huichuan Cheng, Xingyun Jia, Kening Li, Decai Bian   +5 more
openaire   +2 more sources

Study on the Cooling and Lubrication Mechanism and Properties of Soybean Oil-Based MQL and Different Cryogenic Media in Titanium Alloy Processing

Lubricants
The machining of Ti-6Al-4V thin-walled parts is characterized by high cutting temperatures, significant force fluctuations, and complex thermomechanical coupling.
Zhiyong He, Dongzhou Jia, Qi Gao, Xiaoqiang Wu, Lan Wu, Yongqiang Fu   +5 more
doaj   +2 more sources

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, Pengfei Li, Can Quan, Jianing Wang   +3 more
doaj   +1 more source

Influence of Nozzle Layouts on the Heat-Flow Coupled Characteristics for Oil-Jet Lubricated Spur Gears

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, He Liu, Jianfeng Zhong, Xiang Zhu, Yu Dai   +4 more
doaj   +1 more source

Machining response of Ti64 alloy under Nanofluid Minimum Quantity Lubrication (NFMQL) [PDF]

E3S Web of Conferences, 2021
Rapid wear progression of cutting insert associated with attainment of excessive tool-tip temperature are indispensable causes which limit operational domain of cutting velocity during dry turning of Ti64 alloy.
Sahoo Sarthak Prasad, Datta Saurav
doaj   +1 more source

Numerical and Experimental Investigation of Oil-Guiding Splash Lubrication in Light Helicopter’s Reducers

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.
Mei Yin, Xi Chen, Yu Dai, Duan Yang, Lanjin Xu, Xiang Zhu   +5 more
doaj   +1 more source

Drop-On-Demand Lubrication of Gears: A Feasibility Study

Frontiers in Mechanical Engineering, 2021
Different lubrication methods such as oil dip or injection lubrication are used in gearboxes to lubricate tribological contacts and to dissipate frictional heat.
M. Mirza, M. Yilmaz, E. Thieme, T. Lohner, C. H. Venner   +4 more
doaj   +1 more source

Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions

Micromachines, 2023
TiAlN-coated carbide tools have been used to machine Ti-6Al-4V alloys in aviation workshops. However, the effect of TiAlN coating on surface morphology and tool wear in the processing of Ti-6Al-4V alloys under various cooling conditions has not been ...
Jinfu Zhao, Zhanqiang Liu, Zipeng Gong, Ann A. Liu, Yukui Cai, Bing Wang, Q. Song, Xiaoliang Liang, Yanbin Zhang, Zhicheng Zhang, Heng Ji   +10 more
semanticscholar   +1 more source