Results 1 to 10 of about 14,758 (224)
Identification of jet lubrication oil as a major component of aircraft exhaust nanoparticles [PDF]
Atmospheric Chemistry and Physics, 2019 Jet engine aircraft are ubiquitous and significant sources of atmospheric nanoparticles. Using size-resolved particulate samples collected near a runway of the Narita International Airport, Japan, we clearly demonstrate that organic compounds in the ...
A. Fushimi +4 more
doaj +5 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 +3 more
doaj +3 more sources
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
doaj +2 more sources
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
doaj +2 more sources
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
doaj +3 more sources
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
doaj +3 more sources
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
doaj +1 more source
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 +5 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
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 +4 more
doaj +1 more source