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An experimental investigation of alternative propellants for the helicon double layer thruster

Charles, Christine; Boswell, Roderick; Laine, Robert; MacLellan, P


Ion energy distribution functions are measured using a retarding field energy analyser located 7.5 cm downstream of a helicon double layer plasma source, respectively, operating with four molecular gases: nitrogen (N 2), methane (CH4), ammonia (NH3) and nitrous oxide (N2O). For radiofrequency powers of a few hundred watts, and a magnetic field diverging from about 0.013 T (130 G) in the source to about 0.001 T (10 G) in the exhaust, an ion beam is detected for each propellant over a very...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Journal of Physics D: Applied Physics
DOI: 10.1088/0022-3727/41/17/175213


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