THEORETICAL PERFORMANCE OF REVERSE-FEED CESIUM ION ENGINES
Technical Report
·
OSTI ID:4843816
BS>A theoretical analysis of reverse-feed cesium ion engines indicates the values required for the various engine dimen sions in order to optimize performance, and the conditions under which this type engine is of interest for space missions. A comparison with the theoretical performance of porous-tungsten ion engines is included. The reverse-feed ion engine may possibly give higher power efficiencies at low specific impulse. Charge exchange will result in greater electrode erosion in this type engine, necessitating a mechanically complex system for replacement of electrodes. The weight of electrode material consumed will be small relative to the propellant weight. (auth)
- Research Organization:
- National Aeronautics and Space Administration. Lewis Research Center, Cleveland
- NSA Number:
- NSA-15-027256
- OSTI ID:
- 4843816
- Report Number(s):
- NASA-TN-D-876
- Country of Publication:
- United States
- Language:
- English
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