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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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Absorption coefficients, cross sections and photoionization yield of carbon dioxide, carbon monoxide, argon and helium determined in 300 to 1040 wavelength region
Convective stagnation heat transfer of carbon dioxide, nitrogen-argon gas mixtures compared to air in shock tube tests
Calculation of collision induced absorption spectra for helium-argon
Replotted data for elastic scattering of helium ions on neon and argon
Argon and potassium in silicate inclusions of iron meteorites analyzed, determining radioactive age
Transition probabilities and oscillator strengths in IR and visible spectra of neutral rare gases, using intermediate coupling approximation
Mode interactions in argon lasers between two spectral lines noting effect on output
Negative charge production by H atoms collisions with rare gases and hydrogen, noting smooth rise of cross section with energy for rare gases
Transport properties calculated by Chapman-Enskog theory for high temperature-gas mixtures in planetary entry applications
Differential scattering with charge transfer to hydrogen 2s state from proton collisions with helium and argon
Argon II line transition probabilities, observing UV spectral region, upper energy levels and temperature differences
Cosmic ray exposure ages and rare gas concentration profiles in Apollo 12 lunar rocks, discussing spallation products and neutron capture effects
Results are presented of a wind tunnel test on the directional stability of space shuttle booster configurations. The test was conducted at the 14-inch trisonic tunnel starting 6 December 1971 and continued through 11 December 1971 for a total of 66 occupancy hours. Configurations tested included a cylindrical body with two axisymmetrical noses, one with and without canopy, one delta wing, located in two positions, five vertical tails (including a V tail), two having split rudders, ventral fins, two sets of chines, three airbreathing engine pods, and rocket engine shrouds. The model scale was 0.003366.
A scale model of the Boeing Company space shuttle booster configuration 3 was tested in the MSFC 14-inch trisonic wind tunnel. This test was proposed to fill-in the original test run schedule as well as to investigate the aerodynamic stability and control characteristics of the booster with three wing configurations not previously tested. The configurations tested included: (1) a cylindrical booster body with an axisymmetric nose, (2) clipped delta canards that had variable incidence from 0 deg to -60 deg, (3) different aft body mounted wing configurations, (4) two vertical fin configurations, and (5) a Grumman G-3 orbiter configuration. Tests were conducted over a Mach range from 0.6 to 5.0.
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