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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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Spectrophotometers, digitizer, and computer system to determine solar absorptance and thermal emittance of surfaces from spectral reflectance measurements
Microscopic understanding of limitations of semi-classical phenomenological model of emitter surface of thermionic energy converter
Normal spectral emittance of tungsten and single phase fcc hafnium and tantalum carbides solid solution above 1600 degrees C
Solar absorptance and thermal emittance of copper, gold, nickel and silver as function of temperature
Thermal emittance of nickel as function of oxide thickness measured, using filament in vacuum technique and microphotography
Normal spectral emittance of aluminum and zinc oxide applied to opaque substrates of different radiative properties
Thermal emittance behavior of small cavities located on refractory metal surfaces
Hemispherical total emittance and normal solar absorptance of selected materials at temperature range 280 to 600 degrees K - thermal radiation parameters
Solar reflectance as function of incidence angle and total hemispherical emittance of space suit materials
Hemispherical total emittance and solar absorptance characteristics of thermal control coating systems in space nuclear power plant development
Purity and resistance to grain growth of vapor deposited tungsten tubing for use as thermionic emitter
Doppler shift toward red found for radiation from ensemble of relativistically moving emitter
Diffusion and electron emission properties of duplex refractory metal thermionic emitters
Optical and thermal method of measuring solar absorptance and thermal emittance
Thermal emittance of cone and cylinder cavities electrically disintegrated in tungsten and molybdenum measured with disappearing-filament pyrometer
Spectral normal emittances of molybdenum, tantalum and tungsten single crystals
Energy distribution spectrum of tungsten single crystal field emitter and shapes of Fermi surfaces
Absorptance and emittance of metal surfaces determined via cyclic incident radiation, noting error computation and method accuracy parameters