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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 235 records · Page 13

All sources NASA NTRS DOE OSTI

NASA NTRS1968

Preliminary evaluation of greases to 600 deg F and solid lubricants to 1,500 deg F in ball bearings

Test apparatus for evaluation of high temperature lubricants to 1500 deg F and greases to 600 deg F in ball bearings

Johnson, R. L.↗

NASA NTRS1968

Dry film lubricated ball bearings for gimbals oscillating at small angles in vacuum

Operational performance tests on dry lubricated ball bearings under simulated gimbal oscillation in vacuum

Demorest, K. E.↗

NASA NTRS1968

The release of hydrogen on ball milling chromium in water

Hydrogen release in ball milling of high purity, coarse chromium powder in water

Arias, A.↗

NASA NTRS1968

Cooling studies with 40-millimeter-bore ball bearings using low flow rates of 60 deg R /33 deg K/ hydrogen gas

Cooling requirements of ball bearings operating in low flow rate hydrogen gas

Brewe, D. E.↗

NASA NTRS1968

Dual ball shutoff valve, 1/2-inch, 1500 psig, cam operated, Flodyne Controls Inc. part number 5C151, NASA drawing number 75K26264

Performance test data for dual ball shutoff valve

Sparks, T. W.↗

NASA NTRS1968

Effect of ball-race conformity on spinning friction

Spinning friction and torque dependence on ball bearing-groove conformity

Dietrich, M. W.↗

NASA NTRS1968

Preliminary evaluation of greases to 316 deg C and solid lubricants to 816 deg C in ball bearings

Test evaluation of high temperature greases and solid lubricants in thrust loaded ball bearings

Johnson, R. L.↗

NASA NTRS1968

Lubrication and wear of ball bearings in cryogenic hydrogen

Lubrication, design, and material requirements of ball bearings in liquid hydrogen turbopumps

Brewe, D. E.↗

NASA NTRS1968

Fatigue life of 120 mm bore ball bearings at 600 deg F with fluorocarbon, polyphenyl ether, and synthetic paraffinic base lubricants

High temperature tests to determine fatigue life of 120mm bore ball bearings with fluorocarbon, polyphenyl ether, and synthetic base paraffin base lubricants

Anderson, W. J.↗

NASA NTRS1968

Laboratory ball lightning.

Ball lightning formation attributed to low hydrocarbon density coupled with atmospheric electrical discharge

Barry, J. D.↗

NASA NTRS1968

Preliminary evaluation of greases to 600 F and solid lubricants to 1500 F in ball bearings.

Ball bearing test apparatus for evaluation of greases and solid lubricants at high temperatures

Johnson, R. L.↗

NASA NTRS1968

Cooling studies with high-speed ball bearings operating in cold hydrogen gas.

Cooling requirements for high speed polytetrafluoethylene lubricated ball bearings operating in cold hydrogen gas, developing minimum gas flow rate equation

Brewe, D. E.↗

NASA NTRS1969

Evaluation of lubricants for ball bearings at high temperatures

Calcium fluoride-barium fluoride coating on ball bearing cages or as fillers in porous bearing cages lubricate bearings successfully for operations in air at temperatures of 1200 to 1500 degrees F.

Johnson, R. L.↗

NASA NTRS1968