Results 1 to 10 of about 595,906 (266)
Minimum Quantity Lubrication Jet Noise: Passive Control [PDF]
Micromachines, 2023 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
exaly +7 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 ...
Feiyue, Yu Dai
exaly +3 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, Feiyue, Xiang Zhu
exaly +4 more sources
Jet aircraft lubrication oil droplets as contrail ice-forming particles [PDF]
Atmospheric Chemistry and Physics, 2023 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 +7 more sources
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 +4 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 ...
Xiangying Hou
exaly +4 more sources
Free surface lubrication of rotating cylinders by impacting Newtonian liquid jet
Lubrication Science, 2021 AbstractFree surface lubrication of rotating cylinders by Newtonian liquid jets was investigated at different impingement positions, jet‐ and circumferential velocities. The interaction between impinging round laminar jet and rotating surface was characterised by high‐speed imaging.
Benjamin Bizjan
exaly +5 more sources
High Speed Visualizations of oil Jet Lubrication for Aero-engine Gearboxes
Energy Procedia, 2016 Abstract Augmenting gearing systems efficiency is a key issue in developing innovative aero-engines with low specific fuel consumption. The transmission system directly affects the engine overall efficiency, therefore it is essential maximizing its performance.
Tommaso Fondelli, Bruno Facchini
exaly +4 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
A Novel Bearing Lubricating Device Based on the Piezoelectric Micro-Jet [PDF]
Applied Sciences, 2016 A novel bearing lubricating device, which is embedded in gyroscope’s bearing system and based on the theory of the piezoelectric micro-jet, was designed for this study.
Kai Li +4 more
doaj +2 more sources