The radiation impedance of electrodynamics tethers in a polar Jovian orbit

Sánchez-Torres, Antonio and Sanmartín Losada, Juan Ramón and 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.

Description

Title: The radiation impedance of electrodynamics tethers in a polar Jovian orbit
Author/s:
  • Sánchez-Torres, Antonio
  • Sanmartín Losada, Juan Ramón
  • Donoso Vargas, Jose Manuel
  • Charro, Mario
Item Type: Article
Título de Revista/Publicación: Advances in space research
Date: 2010
ISSN: 0273-1177
Volume: 45
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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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.

More information

Item ID: 23242
DC Identifier: http://oa.upm.es/23242/
OAI Identifier: oai:oa.upm.es:23242
DOI: 10.1016/j.asr.2009.12.007
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 25 Mar 2014 14:18
Last Modified: 21 Apr 2016 22:16
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