Kink instability in applied-field magneto-plasma-dynamic thrusters |
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Authors: | Zuin M Cavazzana R Martines E Serianni G Antoni V Bagatin M Andrenucci M Paganucci F Rossetti P |
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Institution: | Consorzio RFX, Associazione EURATOM-ENEA sulla fusione, corso Stati Uniti 4, 35127 Padova, Italy. |
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Abstract: | Measurements of magnetic and electrostatic fluctuations in an applied field magneto-plasma-dynamic thruster have shown that a m/n=1/1 kink mode becomes unstable whenever the Kruskal-Shafranov limit is violated. A positive correlation is established between the kink and performance degradation at high current, which has until now prevented the use of this kind of thruster in space missions. |
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