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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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Glory undulation quenching in velocity dependent atom-diatomic molecule scattering total cross sections, noting anisotropic distortion of potential
Report gives measurements of absolute thermoelectric powers of dilute gold-platinum alloys and influence of quenched-in lattice vacancies on their thermoelectric powers. It investigates phonon-drag component of thermoelectric power as a function of platinum concentration, and change in phonon-drag thermoelectric power by lattice vacancies.
Quenching and annealing effects on ionic conductivity of lithium fluoride crystals
Quenching distances for flaming thin polymer films, and fire extinguisher using inert gas to reduce fire hazards in spacecraft cabin atmospheres
Rotational inelastic transitions in atom-diatomic collisions, discussing restricted distorted-wave approximation, transition probabilities, impact parameters, inelastic and glory quenching, etc
Quench rate effect on martensite start temperature and fine structure of Fe-C and Fe-C-Ni steel, using transmission electron microscopy
Alloy strengthening mechanisms - strengthening by fine particle dispersion, and structure and properties control by rapid quenching or splat cooling of liquid metals
Direct current quenching of alternating current electroluminescence in zinc sulfide phosphors
Oxygen collisional quenching rate in F region determined by comparing nightglow intensities with intensities calculated from electron density profiles
Quenched MnBi thin films measured for magnetic, magneto-optical and optical properties, noting Faraday rotation
Quenching efficiency of molecular oxygen relative to nitrogen, carbon monoxide, carbon dioxide and argon, involving photolysis of gas mixtures
Relaxation method for direct measurement of molecular oxygen quenching rate constants in discharge flow system
Quenching rates for oxygen during 1470 A pulse photolysis in carbon dioxide, nitrogen and helium mixtures
Quenched and aged Pt, investigating secondary defects for vacancies clustering modes by transmission electron and field-ion microscopy
Absorption spectra enhancement by organic dye laser quenching, considering applications for absorbing species spectroscopic detection
Carbon monoxide in metastable state, considering quenching and radiative lifetime
In the experiment discussed molecular oxygen was allowed to mix with atomic hydrogen and ozone at the entrance to a 3-m flow tube. A rate equation for the decay of the vibrationally excited hydroxyl is derived, taking into consideration the reaction with ozone, radiative decay, wall quenching, and interaction with molecular oxygen. It is pointed out that molecular oxygen might be important as a quencher for the hydroxyl airglow in the upper atmosphere in spite of negative results obtained in fast-flow experiments conducted in the laboratory.-
Demonstration that rapid dissociative recombination of CO2(+) in a flowing, helium afterglow is an efficient source of CO in the a super 3 pi metastable state. Ions produced by mixing CO2 with He(2 super 3 S) recombine to produce a CO metastable afterglow with a number density as great as 10 to the 9th per sq cm. Monitoring of the (a super 3 pi-X super 1 sigma) Cameron transition in CO was used to study the lifetime and quenching of CO (a super 3 pi) by CO2, N2, NO, and He. Recombination of CO2(+) also produces CO in the d super 3 delta and a' super 3 sigma states.