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Low work-function coating for an entirely propellantless bare electrodynamic tether
Williams, John D. and Sanmartín Losada, Juan Ramón and Rand, Lauren P.
Low work-function coating for an entirely propellantless bare electrodynamic tether.
"IEEE Transactions on plasma science", v. 40
We present the possibility of a low work-function material, calcium aluminate electride, being used for a coating
on a bare electrodynamic tether system. Analyses suggest that the coating would eliminate the need for an active cathodic device like a hollow cathode and, consequently, eliminate the need for an expellant to the hollow cathode, thus resulting in an electrodynamic tether system that requires no consumables. Applications include on-orbit power generation and deorbiting debris from low Earth
orbit in a simple and trouble-free manner.
|FP7||262972||BETS||Unspecified||Propellantless deorbiting of space debris by bare electrodynamic tethers|
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