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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Thickness measurement for thin films in inaccessible locations using scanning electron microscope, comparing accuracy with interferometric techniques
Scanning celestial attitude determination system /SCADS/, providing triaxial information for earth stabilized satellites
X ray differential drift scans of moon, measuring cold limb brightness temperature and temperature distribution
Scan platform servomechanical actuator for Mariner Mars 1969 spacecraft, emphasizing gear arrangement and train dynamics
Scanning mirror system for Apollo telescope mount UV spectroheliometer, describing design, fabrication and testing
Slow scan TV systems for planetary exploration, discussing sampled vidicon operation, digital encoding, data storage, signal to noise ratio, future design trends, etc
Solid-solid phase transitions in molecular crystals of organic tetrahedral substances, using differential scanning calorimetry
Pilot scanning dwell times and control workload in simulated instrument approach, using eye-point-of- regard /EPR/ measurements
Octahedral solid-solid phase transitions by differential thermal analyzer and scanning calorimeter module, discussing entropy change causes
Differential scanning calorimetry and thermogravimetric analysis combination for thermochemical kinetic measurements, matching analytical and experimental curves for data accuracy
System detects defects of .051 cm in diameter and larger. System incorporates scanning head assembly including boot enclosed transducer, slip ring assembly, drive mechanism, and servotransmitter. Ultrasonic flaw detector, prototype recorder, and special recorder complete system.
Electron beam scanning system for improved image definition and reduced power requirements for video signal transmission
Performance of ATS 1 spin-scan cloud cover camera equipment at Mojave ground station
Spin axis scanning of celestial sphere for attitude control of spin stabilized spacecraft
Effect of radiometric errors on accuracy of temperature profile measurement of exhaust gases by spectral scanning method
Amplifier gain control for Apollo scan television signal enhancement
Characterization and mathematical representation of line scanning image systems and evaluating system performance with discrete output signal and post filtering
Scanning electron microscope used to determine surface morphology of TD-NiCr oxidized at 800 to 1200 deg for up to 64 hours