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- W2059555660 abstract "The development of high power (100's of kilowatts) ion engines may be greatly facilitated through the use of a technique which enables optimization of the discharge chamber to be performed without beam extraction. Ion thruster operation without beam extraction results in an experimentally determined decrease in the accelerator system transparency to ions from approximately 0.8 down to 0.22 for the standard J-Series thruster ion optics. This decreased ion transparency translates into a decreased propellant flow rate requirement for operation without beam extraction, enabling testing to be performed in smaller vacuum chambers with lower pumping speeds. Performance curves simulated without beam extraction are shown to agree well with actual performance curves obtained with beam extraction. Screen grid temperatures, however, are shown to be significantly higher without beam extraction due to the decrease in the accelerator system transparency to ions." @default.
- W2059555660 created "2016-06-24" @default.
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- W2059555660 date "1990-07-18" @default.
- W2059555660 modified "2023-09-23" @default.
- W2059555660 title "Simulated ion thruster operation without beam extraction" @default.
- W2059555660 cites W2023317182 @default.
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- W2059555660 doi "https://doi.org/10.2514/6.1990-2655" @default.
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