Results 41 to 50 of about 4,126,037 (146)
Oil Fog Lubrication of High Speed Ball Bearing [PDF]
, 1957 In pursuit of information concerning performances of the preloaded ball bearing operating under the oil fog lubrication at high speed, the coefficient of friction and the temperature rise have been measured for the angular-contact-type ball bearing.
MORI, Haruo +2 more
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Instability studies of an 'O'-ring flexibly supported, gas bearing, mounted, cool air unit. [PDF]
, 1990 A Cool Air unit (C. A. U. ) is powered by air bled from the engine and supplies cool air to the avionics and cockpit of the aircraft. Essentially a small turbo machine, the rotor is mounted upon two plain (gas) air bearings, which are flexibly ...
McLuckie, I. R. W.
core +3 more sources
Ultrasonic Reflection for Measurement of Oil Film Thickness and Contact between Dissimilar Materials [PDF]
, 2012 The contact between dissimilar materials occurs in many machine elements where one of the contacting parts is manufactured from low modulus materials such as lip seals, o-rings, and metal on polymer prosthetic hip joints.
Gasni, Dedison
core +5 more sources
Utilization of teflon and aluminum oxide for wheel cleaning in Minimum Quantity Lubrication (MQL) grinding [PDF]
Materials Research, 2013 Researches concerning cooling-lubrication optimization in grinding have been conducted to contribute to a more sustainable process. An alternative to flood coolant is minimum quantity lubrication (MQL), which spray oil droplets in a compressed air jet ...
Bianca Gomes Barros +4 more
doaj +2 more sources
Авіаційно-космічна техніка та технологія, 2023 The modern gas turbine engines (GTEs) development is associated with an increase in the compressor pressure ratio and the gas temperature at the turbine inlet with a simultaneous reduction in the size and weight of the engine.
Taras Mykhailenko +2 more
doaj +1 more source
Jixie chuandong, 2017 In order to study the temperature characteristics of mechanical spindle,a mechanical spindle platform using oil-air lubrication is developed. The evaluation criterion of temperature characteristics is proposed.
Xie Pei +3 more
doaj
Nucleation of jet engine oil vapours is a large source of aviation-related ultrafine particles
Communications Earth & Environment, 2022 Jet engine lubrication oil is an efficient nucleation agent that likely contributes to high levels of ultrafine particles near airports contributing to poor air quality, suggest laboratory thermodenuder experiments and observations near Frankfurt ...
Florian Ungeheuer +10 more
doaj +1 more source
Measurement of the Relationship Between Oil Circulation and Compressor Lubrication in a Mobile AlC System: Part One [PDF]
, 2000 A study was performed on a swashplate compressor to determine the state of lubrication. Measurements of electrical resistance were taken as a primary measure of oil film lubrication at the sliding shoe/swashplate interface.
Hrnjak, P.S. +5 more
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Applied Sciences, 2020 In this study, we propose a computational fluid dynamics (CFD)-based method to study the lubrication and temperature characteristics of an intermediate gearbox with splash lubrication.
Fengxia Lu +4 more
doaj +1 more source
Oil-air mist lubrication for helicopter gearing [PDF]
, 1976 The applicability of a once-through oil mist system to the lubrication of helicopter spur gears was investigated and compared to conventional jet spray lubrication. In the mist lubrication mode, cooling air was supplied at 366K (200 F) to the out of mesh
Mcgrogan, F.
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