@article{(Open Science Index):https://publications.waset.org/pdf/10011977,
	  title     = {Deorbiting Performance of Electrodynamic Tethers to Mitigate Space Debris},
	  author    = {Giulia Sarego and  Lorenzo Olivieri and  Andrea Valmorbida and  Carlo Bettanini and  Giacomo Colombatti and  Marco Pertile and  Enrico C. Lorenzini},
	  country	= {},
	  institution	= {},
	  abstract     = {International guidelines recommend removing any
artificial body in Low Earth Orbit (LEO) within 25 years from
mission completion. Among disposal strategies, electrodynamic
tethers appear to be a promising option for LEO, thanks to the
limited storage mass and the minimum interface requirements to the
host spacecraft. In particular, recent technological advances make it
feasible to deorbit large objects with tether lengths of a few kilometers
or less. To further investigate such an innovative passive system,
the European Union is currently funding the project E.T.PACK
– Electrodynamic Tether Technology for Passive Consumable-less
Deorbit Kit in the framework of the H2020 Future Emerging
Technologies (FET) Open program. The project focuses on the design
of an end of life disposal kit for LEO satellites. This kit aims to
deploy a taped tether that can be activated at the spacecraft end of life
to perform autonomous deorbit within the international guidelines.
In this paper, the orbital performance of the E.T.PACK deorbiting
kit is compared to other disposal methods. Besides, the orbital decay
prediction is parametrized as a function of spacecraft mass and tether
system performance. Different values of length, width, and thickness
of the tether will be evaluated for various scenarios (i.e., different
initial orbital parameters). The results will be compared to other
end-of-life disposal methods with similar allocated resources. The
analysis of the more innovative system’s performance with the tape
coated with a thermionic material, which has a low work-function
(LWT), for which no active component for the cathode is required,
will also be briefly discussed. The results show that the electrodynamic tether option can be a
competitive and performant solution for satellite disposal compared
to other deorbit technologies.},
	    journal   = {International Journal of Aerospace and Mechanical Engineering},
	  volume    = {15},
	  number    = {4},
	  year      = {2021},
	  pages     = {185 - 191},
	  ee        = {https://publications.waset.org/pdf/10011977},
	  url   	= {https://publications.waset.org/vol/172},
	  bibsource = {https://publications.waset.org/},
	  issn  	= {eISSN: 1307-6892},
	  publisher = {World Academy of Science, Engineering and Technology},
	  index 	= {Open Science Index 172, 2021},
	}