Out-of-pile thermionic space power systems using a gaseous heat-transfer fluid

by Anthony Leonard

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A study of the potential of space power systems composed of a high-temperature gas-cooled reactor and out-of-pile thermionic converters. Emphasis is placed on the creep-rupture problem and the optimization of the radiator-converter configuration. Expressions for thermionic-converter efficiency and power density as a function of emitter temperature and collector temperature are developed.

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