The relationship between the system of astronomical constants and the radar determinations of the astronomical unit
Radar determinations of astronomical unit, speed of light, solar parallax, and other constants
SOLAR PARALLAX↗
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Results for “Constants”
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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Constant amplitude, variable phase filters
Lossless, constant amplitude, variable phase filter derived from general bridge-T network
FILTER↗
The solar constant and spectral distribution of solar radiant flux
Solar constant and spectral distribution of solar radiant flux
SOLAR FLUX↗
Conic solutions to the interplanetary transfer problem with constant or minimum injection energy
Minimum and constant energy values for injection into launch window to achieve interplanetary spacecraft trajectory
SPACECRAFT TRAJECTORY↗
Constants of the motion for optimum thrust trajectories in a central force field.
Motion constants for optimal thrust trajectories in central force field by iterative procedure
MOTION EQUATION↗
Test program for determination of soil constants in vacuum.
Bearing and shear test results for determination of soil constants in simulated lunar vacuum and atmospheric conditions
LOAD TEST↗
Reflectance and optical constants of evaporated copper and silver in the vacuum ultraviolet from 1000 to 2000 angstrom units.
Reflectance and optical constants of evaporated copper and silver in vacuum UV from 1000 to 2000 angstroms
COPPER↗
Method of characteristic constants and retro- thrust optimality in a gravitational field - necessary and sufficient conditions.
Intermediate thrust sub-arcs analyzed by method of characteristic constants for optimum retrothrust program in inverse-square-law force field
BOUNDARY VALUE↗
Relative signs of the nuclear spin coupling constants in propylene oxide and indene oxide.
Relative signs of nuclear spin coupling constants in propylene oxide and indene oxide obtained from iterative analysis of NMR spectra
NUCLEAR MAGNETIC RESONANCE↗
The propagating fracture of constant shape.
Propagating tensile fracture of constant ellipse shape treated as steady state dynamic mixed boundary value problem
CRACK PROPAGATION↗
Radiation resistance of an elliptical loop antenna with constant current in compressible plasma.
Radiation resistance of elliptical loop antenna with constant current in compressible plasma, noting propagation modes
RADIATION RESISTANCE↗
Different screening constants for different physical properties. i.
Expectation values other than energy for ground state of two-electron atom, studying different screening constants
WAVE FUNCTION↗
Errors in using the reflectance vs angle of incidence method for measuring optical constants.
Sensitivity of reflectance vs angle of incidence method for measuring optical constants, using computer methods
OPTICAL REFLECTIVITY↗
Constant-attitude thrust program optimization.
Optimum thrust programming studies include comparison of constant and variable attitude thrust programs for Earth-Mars rendezvous
TRAJECTORY OPTIMIZATION↗
Tool provides constant purge during tube welding
Tool provides a constant purge of inert gas during in-place welding of tubular components to prevent contamination and oxidation. It also permits self-jiggings of the tube and sleeve to be welded.
Lang, E. R.↗
Internal machining accomplished at constant radii
Device machines fluid passages in workpieces at constant radii through two adjacent surfaces that are at included angles up to approximately 120 degrees. This technique has been used extensively in fabricating engine parts where close control of fluid flow is a requirement.
Gollihugh, T. E.↗
Fatigue of Rene 41 under constant-and random- amplitude loading at room and elevated temperatures
Narrow band random and constant amplitude bending fatigue tests on Rene 41 specimens at room and elevated temperatures
AMPLITUDE↗
Local plastic stresses in sheet aluminum- alloy specimens with stress-concentration factor of 2 under constant-amplitude loading
Cyclic plastic stresses in notched aluminum alloy sheets under constant-amplitude repeated tension and reversed loading - fatigue life data
STRESS CYCLE↗