Results 1 to 10 of about 19,469 (232)
Minimum Quantity Lubrication Jet Noise: Passive Control [PDF]
Jet noise is a common problem in minimum quantity lubrication (MQL) technology. This should be given great attention because of its serious impacts on the physical and mental health of the operators.
Xiaodong Hu +5 more
doaj +4 more sources
Jet aircraft lubrication oil droplets as contrail ice-forming particles [PDF]
The radiative characteristics and lifetimes of contrails are dependent on the number concentration of ice-forming particles in the engine exhaust plume.
J. Ponsonby +3 more
doaj +6 more sources
Calculation method of impingement depth and multiple objective optimizations of nozzle layout for aviation gears considering windage [PDF]
As 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
Identification of jet lubrication oil as a major component of aircraft exhaust nanoparticles [PDF]
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 +3 more sources
Numerical Simulation of Oil Jet Lubrication for High Speed Gears [PDF]
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
doaj +2 more sources
CFD Investigation on Oil Injection Lubrication of Meshing Spur Gears via Lattice Boltzmann Method
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 +1 more source
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
Machining response of Ti64 alloy under Nanofluid Minimum Quantity Lubrication (NFMQL) [PDF]
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
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 +1 more source
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

