Experimental characterization of contoured magnetoplasmadynamic thrusters
Experimental characterization of contoured magnetoplasmadynamic thrusters
- New search for: Heimerdinger, D.J.
- New search for: Kilfoyle, D.B.
- New search for: Martinez-Sanchez, M.
- New search for: Heimerdinger, D.J.
- New search for: Kilfoyle, D.B.
- New search for: Martinez-Sanchez, M.
In this paper experimental results are presented that demonstrate the effects of electrode geometry on the MPD arcjet. Data show that the electrode current concentrations can be locally changed by varying the interelectrode separation. This experiment, conducted on a large radius annular MPD arcjet, also showed a clear separation between the anode depletion, indicated by growth of a large anode voltage drop, and the onset of large-scale unsteady anode arcing. Spectroscopic data taken at the exit plane indicate that the electron temperature is near 2 eV whereas the heavy particle temperatures can be as high as 6.5 eV, indicating the possible presence of shocks or strong viscous dissipation to preferentially heat the heavy particles.
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Experimental characterization of contoured magnetoplasmadynamic thrusters
Experimentelle Charakterisierung profilierter magnetoplasmadynamischer Schubduesen
AIAA-Papers ; Jul ; 1-9
1988
9 Seiten, 19 Bilder, 2 Tabellen, 7 Quellen
Conference paper
English
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