Antenna design and optimization for helicon plasma thruster with coupled surface and volume integral equations

Melazzi Davide, V. Lancellotti, M. Manente, D. Pavarin

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Abstract

Optimization of radiofrequency helicon plasma sources for the development of space plasma thrusters (whose thrust efficiency and specific impulse depend on the power coupled into the plasma) has focused on the absorption of wave energy by cold collisional plasmas, but not much on the role played by the antenna that drives the discharge. To overcome these limitations and to optimize the power deposited by the antenna into the plasma, we propose a full-wave approach based on integral equations to compute the current distribution on the antenna conductors self-consistently, i.e., also keeping into account the effect that the plasma in turn has on the antenna. Preliminary results of antenna current distribution and antenna impedance versus frequency and plasma parameters are presented.
Original languageEnglish
Title of host publicationProceedings of the 2013 International Conference on Electromagnetics in Advanced Applications (ICEAA '13), September 9-13, 2013, Turin, Italy
Place of PublicationTurin
Pages712-715
DOIs
Publication statusPublished - 2013
Event15th International Conference on Electromagnetics in Advanced Applications (ICEAA 2013) - Torino, Italy
Duration: 9 Sep 201313 Sep 2013
Conference number: 15

Conference

Conference15th International Conference on Electromagnetics in Advanced Applications (ICEAA 2013)
Abbreviated titleICEAA 2013
CountryItaly
CityTorino
Period9/09/1313/09/13

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