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- W2057298300 abstract "An experimental investigation of hollow cathodes for 30-cm Hg bombardment thrusters was carried out. Both main and neutralizer cathode configurations were tested with both rolled foil inserts coated with low work function material and impregnated porous tungsten inserts. Temperature measurements of an impregnated insert at various positions in the cathode were made. These, along with the cathode thermal profile are presented. A theory for rolled foil and impregnated insert operation and lifetime in hollow cathodes is developed. Several endurance tests, as long as 18,000 hours at emission currents of up to 12 amps were attained with no degradation in performance." @default.
- W2057298300 created "2016-06-24" @default.
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- W2057298300 date "1976-08-16" @default.
- W2057298300 modified "2023-09-26" @default.
- W2057298300 title "Long lifetime hollow cathodes for 30-cm mercury ion thrusters" @default.
- W2057298300 doi "https://doi.org/10.2514/6.1976-985" @default.
- W2057298300 hasPublicationYear "1976" @default.
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