Materials research problems in the direct conversion of thermal radiative and chemical energy into electricity.
Direct energy conversion and materials limitations, discussing thermoelectricity, solar cells, thermionics and fuel cells
SEARCH · Search NASA
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Direct energy conversion and materials limitations, discussing thermoelectricity, solar cells, thermionics and fuel cells
Kinetic theory model of plasma sheath transition, analyzing sheath structure in unignited mode of thermionic converter
Electrical testing of six converter solar energy thermionic generator, discussing overheating and dual current mode anomalies
Isothermal diode as study basis for internal complex controlling thermionic energy conversion
Kinetic theory model of plasma sheath transition applied to sheath structure in unignited mode of thermionic converter
Pump provides independent liquid-metal streams at a uniform flow rate. The toroidal magnet structure can accomodate any reasonable number of pump circuits. The power requirement is suited to the output voltage of the basic thermionic diode output.
MHD generator cathode current-sheath voltage characteristics for thermionic arc spot emission mode, noting role of cathode temperature
Anode work functions from cesiated metal surfaces as parameters for thermionic converter systems analysis
Nomographic Richardson-Dushman equation solutions for thermionic electron emission devices, giving current density for various work functions and electrode temperatures
Electrostatic probes response due to thermionic electron emission, considering I-V characteristics and space-charge-limited current
Thermionic diode development for nuclear reactor systems
High temperature acceleration of propellants in electrothermal thrustors including resistojet, arcjet, thermionic and plasma configurations
Design and operation of freeze, melt valve used in vacuum encapsulating cesium for thermionic diodes
Micromicroampere current measuring circuit, with two subminiature thermionic diodes with filament cathodes
Electric power system with thermionic diodes and circulatory liquid metal coolant lines
Thermionic diode pressure sensor for liquid, vapor, and two phase potassium flow measurements at high temperatures
Nonlinear differential equations describing stability of fast nuclear reactor with incore thermionic converters and reactivity feedback
Performance tests of two thermionic energy converters fueled with uranium nitride