SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Test of rolling element fatigue life with fluorinated ether lubricant at cryogenic temperature using five ball fatigue tester
SNAP 8 pump-motor journal and thrust bearing wear tests with high temperature sodium-potassium alloy lubrication
Lubrication by boundary, elastohydrodynamic, and fluid films, wear due to fretting, erosion, scuffing, and pitting, and friction in aircraft
Use of infrared radiation to reveal lubrication behavior between bearing surfaces
Lubrication, friction, and wear processes analyzed for space vehicle design criteria
Performance of gallium lubricated slipring assembly in ultrahigh vacuum for 500 hours
Tests with stainless steel in sliding contact with lead, indium, and tin coatings in liquid hydrogen to determine their lubricating capability
Differential-maximum-bubble-pressure apparatus used for surface tension measurements in air of liquid lubricants to 200 C
Dynamic response of gas lubricated thrust bearing with shrouded Raleigh-step pads
Performance tests of water-lubricated, Rayleigh step, hydrodynamic journal bearings under no load conditions to determine stability
Solid metal lubricant films bonding by ion plating using diode method, noting interface type and structure examination by electron microscopy
Rolling ball fatigue and lubrication with fluorinated polyethers at cryogenic temperatures compared to superfined mineral oil
Glow discharge cleaning for surface contaminants removal from hydrodynamic gas bearing components, discussing equipment application to thin film lubricant vapor deposition
Lubrication considerations concerning mechanical and service variables for obtaining optimum gear performance under severe operating conditions
Herringbone grooved gas lubricated journal bearing load capacity, attitude angle and power loss measurements
Quasi-static pressure characteristics of gas lubricated thrust bearing with shrouded Rayleigh step pads, solving nonlinear equation of motion
Nimbus B-2 satellite-borne IR spectrometer lubrication using solid film technique, discussing real time and accelerated vacuum environmental tests
Guide for gear designers, consisting of theory, calculations, charts, curves and references, explains lubrication requirements for gears to insure maximum performance. Mechanical and service variables are considered in order to obtain optimum gear performance under severe operating conditions.