EXPERIMENTAL PERFORMANCE OF AN ION ROCKET ENGINE USING A RECTANGULAR-SLAB POROUS-TUNGSTEN EMITTER
Technical Report
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OSTI ID:4701212
>An ion rocket engine using a porous-tungsten ionizer was operated for more than 50 hours. The techniques of electron-beam welding and high-temperature- furnace brazing were used to assemble the ionizer. Accelerator and power efficiencies of 90 and 70 percent, respectively, were obtained at a current density of 113 amp/sq m. The power efficiency was obtained at a specific impulse of 8680 seconds. Preliminary results indicate a propellant utilization efficiency of about 90 percent. (auth)
- Research Organization:
- National Aeronautics and Space Administration. Lewis Research Center, Cleveland
- NSA Number:
- NSA-17-025385
- OSTI ID:
- 4701212
- Report Number(s):
- NASA-TN-D-1321
- Country of Publication:
- United States
- Language:
- English
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