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Results for “Friction”

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.

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At least 1,441 records · Page 80

All sources NASA NTRS DOE OSTI

NASA NTRS1968

Frictional forces and collision frequencies between moving ion and neutral gases.

Frictional forces and collision frequencies for ions moving in neutral gases

Stubbe, P.↗

NASA NTRS1969

Frictional losses in foam-damped flexible tubes.

Frictional losses in straight tubing and effect of system on ball type valve, using polyurethane foam damped flexible silastic tube

Klinzing, G. E.↗

NASA NTRS1969

The influence of internal friction on the stability of high speed rotors with anisotropic supports.

Stability of high speed single mass rotor with internal friction on damped anisotropic supports, considering support stiffness

Gunter, E. J., Jr.↗

NASA NTRS1969

Dependence of friction at wet contacts upon interfacial potential.

Friction coefficient dependence on interfacial potential between solids

Argade, S. D.↗

NASA NTRS1969

Friction between mantle and core of the earth as a cause of the secular change in obliquity.

Earth mantle and core friction interaction suggested as cause of secular change in orbital motion obliquity

Aoki, S.↗

NASA NTRS1969

Use of Preston tubes for measuring hypersonic turbulent skin friction.

Supersonic Preston tube correlations for Mach number and Reynolds number effects on hypersonic turbulent skin friction on adiabatic surfaces, simplifying correlation

Hopkins, E. J.↗

NASA NTRS1969

Exploratory investigation on the measurement of skin friction by means of liquid crystals.

Skin friction measurement in aerodynamic tests using thin liquid crystal coatings with changes in maximum light scattering wavelength in response to shearing forces

Klein, E. J.↗

NASA NTRS1969

Friction and wear-life of selected solid lubricant films at -100 F.R.T., and 400 F.

Solid lubricant films friction and wear life determined under various conditions of contact, temperature, load and atmosphere

Campbell, M.↗

NASA NTRS1969

Sliding friction of copper alloys in vacuum.

Sliding friction tests of Cu and Cu-Be alloy plates in contact with various alloy sliders in air and vacuum

Jellison, J.↗

NASA NTRS1969

Contact conformity effects on spinning torque and friction.

Contact conformity effects on spinning torque and friction coefficient in angular contact ball bearings from lubricated and unlubricated tests

Anderson, W. J.↗

NASA NTRS1969

The influence of ordering on the friction and wear of metals in vacuum.

Solid solutions atomic ordering effect on friction and wear in vacuum, using CuAu and FeCo systems

Brainard, W. A.↗

NASA NTRS1970

Flexible pivot mount eliminates friction and hysteresis

Flexible steel pivot mount, suspended by flat vertical beryllium copper springs, is capable of rotation, free of hysteresis and starting friction. Mount requires no lubrication, is made in varying sizes, and is driven with either dc torque motor or mechanical linkage.

Highman, C. O.↗

NASA NTRS1969