Physics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p53a1005c&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #P53A-1005
Physics
2459 Planetary Ionospheres (5435, 5729, 6026), 2756 Planetary Magnetospheres (5443, 5737, 6033), 5737 Magnetospheres (2756), 5794 Instruments And Techniques
Scientific paper
An electrodynamic bare tether could be an alternative source of power for jovian missions such as Juno, which is NASA´s latest proposed mission to Jupiter; Juno, which will be a polar orbiter, is planned to move away from previous use of radioisotope thermoelectric generators to use of solar arrays, required to be very large due to the great distance of Jupiter from the Sun. The radiation impedance for a tether under polar cap conditions, as different from conditions for a Low Earth Orbit [1-2], and conditions for the "tether-like" Io interaction, is determined. For tether parameters appropriate for power generation in a Juno-type mission, total power radiated is calculated. Both the frequence and angular spectra of the radiation is also discussed. References [1] J. R. Sanmartin and M. Martinez-Sanchez, J. Geophysical Research 100, 1677 (1995). [2] J. R. Sanmartin and R. D. Estes, J. Geophysical Research 102, 14625 (1997).
Charro Mario
Sanmartin Juan R.
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