Descripción
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A two dimensional model of a divergent magnetic nozzle is used to analyze the conversion of thermal into kinetic energy for a collisionless plasma jet with a large radial density gradient at the nozzle entrance. Comparisons with a 1D model and with a uniform plasma jet are made. The focused plasma jet has a much better nozzle eciency. The large Hall current required to focus the jet increases downstream and sets up two magnetic detachment mechanisms: an induced magnetic eld and azimuthal electron inertia eects. This second mechanism seems stronger than the rst one. I. | |
Internacional
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Si |
Entidad
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Electric Rocket Propulsion Society |
Lugar
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31st International Electric Propulsion Conference |
Páginas
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Referencia/URL
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IEPC-2009-002 |
Tipo de publicación
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Technical paper |