Results 11 to 20 of about 19,469 (232)
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
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A Review of Cooling and Lubrication Techniques for Machining Difficult-to-cut Material [PDF]
Journal of Engineering Research - Egypt, 2023 Superalloys have magnificent properties which make them widely applied in various industrial fields. They possess high mechanical properties such as high strength, high rupture resistance, and high resistance to corrosion and oxidation.
Mayar Ashmawy +2 more
doaj +1 more source
Mechanism and Experimental Study on Electrostatic Atomization Using Needle-Shaped Electrodes
Lubricants, 2023 The conventional pneumatic Minimum Quantity Lubrication (MQL), when not properly designed, may have poor atomization and insufficient wetting performance, resulting in higher oil mist concentration and poor film formation ability in the cutting zone. The
Hao Ma, Min Yang
doaj +1 more source
Identification and source attribution of organic compounds in ultrafine particles near Frankfurt International Airport [PDF]
Atmospheric Chemistry and Physics, 2021 Analysing the composition of ambient ultrafine particles (UFPs) is a challenging task due to the low mass and chemical complexity of small particles, yet it is a prerequisite for the identification of particle sources and the assessment of potential ...
F. Ungeheuer +2 more
doaj +1 more source
Oil-Jet Lubrication of Epicyclic Gear Trains
, 2023 Predicting and understanding the evolving oil distribution is the major key for the design of efficient and reliable cooling and lubrication systems in gear boxes. The complexity of multiple rotating and moving parts and the bad accessibility necessitate costly and complicated experimental approaches.
Haber, Matthias +2 more
openaire +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 +1 more source
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
doaj +1 more source
Breakup of diminutive Rayleigh jets [PDF]
, 2010 Discharging a liquid from a nozzle at sufficient large velocity leads to a continuous jet that due to capillary forces breaks up into droplets. Here we investigate the formation of microdroplets from the breakup of micron-sized jets with ultra high-speed
Detlef Lohse +7 more
core +3 more sources
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
doaj +1 more source
The Promise of Solid Lubricants for a Sustainable Future. [PDF]
Adv MaterLubricants are vital for technology, saving energy and resources. The industry seeks sustainable solutions beyond fossil fuels. Solid lubricants offer extremely low friction and reduce environmental impact, especially in harsh conditions. Can these solids truly replace liquid lubricants, or are they limited to extreme applications?
Grützmacher PG +7 more
europepmc +2 more sources