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Performance evaluations of a nonfueled and a UO2-fueled cylindrical thermionic converter

K. Shimada-1971-08-01-NASA STI Repository (National Aeronautics and Space Administration)
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TL;DRAbstract

Two cylindrical thermionic energy converters similar to those in a "flashlight" thermionic fuel element were tested electrically at the Jet Propulsion Laboratory.One converter was not fueled, but the other was fueled with UO, imbedded in six pencil-lead-size holes in the emitter, which was made of rhenium.The nonfueled converter was tested primarily for endurance under open-circuit conditions that might occur as a result of a loss of cesium or a broken power lead.The U0,-fueled converter was tested for fuel-converter compatibility under normal operating conditions with an electric load.

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Two cylindrical thermionic energy converters similar to those in a "flashlight" thermionic fuel element were tested electrically at the Jet Propulsion Laboratory.One converter was not fueled, but the other was fueled with UO, imbedded in six pencil-lead-size holes in the emitter, which was made of rhenium.The nonfueled converter was tested primarily for endurance under open-circuit conditions that might occur as a result of a loss of cesium or a broken power lead.The U0,-fueled converter was tested for fuel-converter compatibility under normal operating conditions with an electric load.

Keywords

Nuclear engineeringComputer scienceEnvironmental sciencePhysicsEngineering

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