Smaller capillary emitters enable stable low-flow-rate cone-jet electrospray operation, achieving I_sp up to 3000 s and >50% efficiency with ionic liquids, roughly doubling prior values.
Informing FEEP thruster design utilizing the flight heritage from 167 thrusters in LEO and GEO,
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High specific impulse electrospray propulsion with small capillary emitters
Smaller capillary emitters enable stable low-flow-rate cone-jet electrospray operation, achieving I_sp up to 3000 s and >50% efficiency with ionic liquids, roughly doubling prior values.