A COMPARISON OF REVERSE-FEED AND POROUS-TUNGSTEN ION ENGINES
Technical Report
·
OSTI ID:4801232
Comparison of the theoretical performance of reversefeed and porous- tungsten cesium ion engines at low power efficiencies shows the porous-tungsten engine, with 1- to 2-micron pore size, to have better propellant utilization efflciency and lower charge exchange currents than the reverse-feed engine. At higher power efficiencies, both the charge exchange currents and the propellant utilization efficiencies became comparable for the two engines. (auth)
- Research Organization:
- National Aeronautics and Space Administration. Lewis Research Center, Cleveland
- NSA Number:
- NSA-16-011334
- OSTI ID:
- 4801232
- Report Number(s):
- NASA-TN-D-1166
- Country of Publication:
- United States
- Language:
- English
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