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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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Time and temperature relationship in solution to various welding problems
NRX/EST nuclear rocket test system transfer function measurements by control drum perturbation, and comparison with analysis model predictions
Environmental control and life support subsystem, communications, electric power, and propulsion subsystems for manned planetary missions
Performance and systems engineering requirements of potential manned interplanetary missions
Physical and mechanical properties of rhenium, technetium, hafnium, noble metals, and related alloys reviewed in terms of availability and costs
N matrix equations solved by pseudoinverse theory of matrices, describing techniques for recursive solutions, matrix rank and various vector tests
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Coherent demodulation in single and double side bands with frequency modulation telemetry systems
Performance characteristics of truncated, conical plug nozzle with cylindrical outer shroud
Adenylates condensation in protein-associated amino acids as clue to peptide bond synthesis within protocellular structures
New series of high expansion coefficient glasses can be sealed by fusion onto hot surfaces of metals and alloys. Glasses have relatively low working temperatures, good chemical durability, and can be used in electrical insulators and feedthroughs to fluid or vacuum systems.
Spectroscopic analysis of microgram metal residues in silver chloride matrix
Crack tip stress intensity factor in sheet structures, applying complex stress potentials and perturbation techniques in numerical calculations
Sequential instrumental activation analysis for trace elements in rocks and stony meteorites, comparing with silicate method
Human factors engineering manual including mathematical formulas, nomographs, conversion tables, units of measurement, and nomenclatures
Versatile, multimission solar electric propulsion upper stage for high energy, unmanned interplanetary flights - summary