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.
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Effectiveness of dry heat and ethylene oxide gas on spore contamination located between mated surfaces and on exterior surfaces of materials
Low energy electron diffraction research of chemical interactions of gases with single crystal metal surfaces, and gas adsorption on nickel and tungsten surfaces
After the success of Surveyor I in meeting the objectives of the engineering flight series, selection from among candidate experiments led to the inclusion of the Soil Mechanics Surface Sampler (SMSS) on the payload. Though originally planned for later Surveyors, the SMSS design was modified to fit the reduced telemetry and commanding capability of the earlier spacecraft. These modifications included removal of the strain-, acceleration-, and position-measuring systems originally planned, and incorporation of a means for measuring current drawn by the motors during operation. A description of the modified device, its performance on Surveyor III, and some conclusions regarding the lunar surface material drawn from the experiment are presented.
Calculations of nondiffuse infrared radiation from lunar surface incident onto unit element above surface
Soil mechanics surface sampler of Surveyor 3 for testing lunar surface, describing modifications for installation and results and analyses
Radiative heat transfer between opaque interacting surfaces for equal temperature adjoint plates with one dimensional surface roughness profile
Radiative heat transfer between opaque interacting surfaces, investigating surface roughness effects
An investigation was conducted to obtain information on the tire-to-surface friction coefficients available in aircraft braking during the landing run. The tests were made with a C-123B airplane on both wet and dry concrete and bituminous pavements and on snow-covered and ice surfaces at speeds from 12 to 115 knots. Measurements were made of the maximum (incipient skidding) friction coefficient, the full-skidding (locked wheel) friction coefficient, and the wheel slip ratio during braking.
Black body irradiation of metal surfaces to determine roughness effects on hemispherical and specular reflectance, for various temperatures and angles of incidence
Black body irradiation of metal surfaces to determine roughness effects on hemispherical and and specular reflectance for various temperatures and angles of incidence
Effect of surface roughness, damage, and films on thermal emission
Surface finish measurements made on hand-polished metals using interferometry
Shock tube driven molecular beam for gas-surface interaction experiments
Surface contamination effects on behavior of liquids in space vehicle tanks at zero gravity
Transonic flutter derivatives for unswept wing control surface configurations determined by pressure cell measurements
Selected literature summary and annotated bibliography on Mars surface formation, material, and terrain
Surface Laboratory preliminary configuration for Voyager mission - space capsule
Soil mechanics surface sampler aboard Surveyor III spacecraft