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U.S. Department of Energy
Office of Scientific and Technical Information

THE DEVELOPMENT OF A LOW-WORK-FUNCTION COLLECTOR FOR THERMIONIC ENERGY CONVERTERS. Annual Technical Summary Report No. 1, December 15, 1962-December 15, 1963

Technical Report ·
OSTI ID:4007493
The construction and evaluation of a unique device for studying collectors of thermionic converters operating in the Ball-of-Fire'' mode are described. The test vehicle cortains one emitter and a rotating disc on which six collectors are mourted. Without disturbing the vacuum condition, each collector may in turn be brought adjacent to the emitter and the electrode combination can be operated as a converter. The emitter temperature, collector temperature, cesium reservoir temperature, and interelectrode spacing may all be independently varied and measured. Preliminary data for the first set of collectors evaluated in this device are presented irdicating that arc-cast tungsten produces the highest power and polycrystalline molybdenum produces the highest voltage at the highest power. (auth)
Research Organization:
Radio Corp. of America. Special Electronic Components Div., Lancaster, Penna.
NSA Number:
NSA-18-020829
OSTI ID:
4007493
Report Number(s):
AD-429503
Country of Publication:
United States
Language:
English