eprintid: 23242
rev_number: 21
eprint_status: archive
userid: 956
dir: disk0/00/02/32/42
datestamp: 2014-03-25 14:18:40
lastmod: 2023-02-15 07:50:05
status_changed: 2023-02-15 07:50:05
type: article
metadata_visibility: show
item_issues_count: 0
creators_name: Sánchez-Torres, Antonio
creators_name: Sanmartín Losada, Juan Ramón
creators_name: Donoso Vargas, Jose Manuel
creators_name: Charro, Mario
title: The radiation impedance of electrodynamics tethers in a polar Jovian orbit
ispublished: pub
subjects: aeronautica
subjects: fisica
abstract: Juno, the second mission in the NASA New Frontiers Program, will both be a polar Jovian orbiter, and use solar arrays for power, moving away from previous use of radioisotope power systems (RPSs) in spite of the weak solar light reaching Jupiter. The power generation at Jupiter is critical, and a conductive tether could be an alternative source of power. A current-carrying tether orbiting in a magnetized ionosphere/plasmasphere will radiate waves. A magnitude of interest for both power generation and signal emission is the wave impedance. Jupiter has the strongest magnetic field in the Solar Planetary System and its plasma density is low everywhere. This leads to an electron plasma frequency smaller than the electron cyclotron frequency, and a high Alfven velocity. Unlike the low Earth orbit (LEO) case, the electron skin depth and the characteristic size of plasma contactors affect the Alfven impedance.
date: 2010
date_type: published
publisher: Elsevier
id_number: 10.1016/j.asr.2009.12.007
full_text_status: public
publication: Advances in space research
volume: 45
pagerange: 1050-1057
institution: Aeronauticos
department: Fisica2
issn: 0273-1177
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rights: by-nc-nd
citation:    Sánchez-Torres, Antonio, Sanmartín Losada, Juan Ramón, Donoso Vargas, Jose Manuel and Charro, Mario  (2010).  The radiation impedance of electrodynamics tethers in a polar Jovian orbit.   "Advances in space research", v. 45 ;   pp. 1050-1057.  ISSN 0273-1177.   https://doi.org/10.1016/j.asr.2009.12.007 <https://doi.org/10.1016/j.asr.2009.12.007>. 
document_url: https://oa.upm.es/23242/1/A90L.pdf