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HIGH-TEMPERATURE VAPOR-FILLED THERMIONIC CONVERTER.
GENERAL DYNAMICS SAN DIEGO CALIF GENERAL ATOMIC DIV
Efforts were directed to the evaluation of ma terials, fabrication, and testing problems as sociated with the operation of high-temperature vapor-filled thermionic converters employing uranium-zirconium carbide emitters of cylindrical geometry. To date five of these converters have operated a total of 5300 hr. The last converter to be tested in this program is Cell K, which will soon be operable. In this reporting period, Cell H, which had two cesium vials, was placed in operation, while final assembly of Cell K was completed. Cell H output was 56 watts at an emitter temperature of 2380 K. The cesium temperature optimum for maximum power was 637 K. A collector temperature optimum was not obtained due to cooling limitations. Author
Quarterly technical progress rept. for 31 July 63,
AF33 657 8563