Of various factors that affect total efficiency available from mercury electron-bombardment ion thruster, shape of magnetic field and design of ion optical system are found to be most important; data are presented to illustrate that overall power-to-thrust ratio, including all thruster and propellant system losses, of 120 kw/lb is achievable at specific impulse of 4000 sec and mass utilization of 90 %; performance of thruster system is presented as function of mass utilization and specific impulse over range of values currently proposed for solar electric propulsion missions.
Mercury electron-bombardment thruster system
J Spacecraft Rockets
Journal of Spacecraft and Rockets ; 5 , n 5
1968
4 pages
Article (Journal)
English
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Mercury electron bombardment thruster system
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