Based on calculations of two similar devices, in which anode and cathode geometries were same but distance between cathode tip and exit plane of anode L were different, it is shown that electrode geometry has pronounced effect on current and potential distribution in MPD arcs; plume contribution to thrust increases with decrease in L; calculations also show that Hall current densities are higher than radial current densities throughout engine and exhaust plume, and are comparable to axial current densities within electrode region.
Potential and current distribution in MPD arcs
AIAA J
AIAA Journal ; 5 , n 12 ; p 2228-2231
1967
4 pages
Article (Journal)
English
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