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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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Mercury pool with a cover layer of high viscosity oil provides a reference reflector for precise alignment of optical instruments. The cover layer effectively damps any ripples in the mercury from support structure vibrations.
Optical target holder is permanently placed for instrument sighting, yet is adjustable and easily aligned.
Blade-to-hub mounting concept assures excellent alignment integrity and results in elimination of some welding problems associated with designs. With this design, if rework is required, blade removal and replacement may be readily accomplished without damage to blade positioning media on the wheel hub.
Fluid coupling assembly that is self-aligning, self-sealing and contains a bellow ball and socket coupling for quick attach and release is highly reliable and can handle cryogenic fluids where icing is encountered. The fluid coupling assembly is used in many fluid systems but is particularly applicable to cryogenic systems.
Electrical shorting cap provides pin alignment, protection from stray voltages, and inspection capabilities. A Teflon straightener insert is built in to overcome any problems with bent or misaligned pins. A clear plastic bottom allows for inspection of the presence and condition of the pins.
Beam alignment techniques based on current multiplication effect in photoconductors for application to spacecraft communications system
Microcircuit nondestructive IR inspection and equipment used for mask alignments
Strapdown inertial reference and navigation system initial alignment utilizing coordinate- transformation matrix computer
Training Manual RQA/M5 provides a basic course of instruction in the use of optical instruments for precise dimensional control and alignment of structural elements and assemblies, such as associated with space vehicles, aircraft, ships, and buildings.
Techniques for, and applications of preferential etching of crystal surfaces to produce optical reflections for crystal orientation and optical alignment in silicon crystals
Field aligned electron bursts at high latitudes observed by polar orbiting satellite OGO-4
Beam alignment techniques developed for infrared sensitive single crystal germanium to study multiplication effect in photoconductors
Vehicle instrumention and ground support equipment development to improve vertical and roll alignment of Scout launch vehicle
Mass and center of gravity determinations and midcourse motor alignment for Mariner 4 space probe
Calibration and alignment techniques for inertial sensing unit
Parametric and procedural tradeoffs for alignment and calibration of inertial sensing unit
Field-aligned propagation of high frequency radio waves using Alouette 2 satellite data
Beam alignment techniques based on current enhancement effect in photoconductors