39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit 2003
DOI: 10.2514/6.2003-4543
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Micro Newton Colloid Thruster System Development for ST7-DRS Mission

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Cited by 14 publications
(14 citation statements)
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“…Contrary to the observation from the positive dc mode, a time independent constant current is observed for the negative dc mode operation, and there is no evidence of electrochemical products. The possible oxidation reaction of EMI' + e is likely to form imidazole radicals (i.e., carbenes) and small amounts of H 2 gas.1 6 The formation of bubbles has been previously observed for EMI-BF 4 .…”
Section: Discussionmentioning
confidence: 99%
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“…Contrary to the observation from the positive dc mode, a time independent constant current is observed for the negative dc mode operation, and there is no evidence of electrochemical products. The possible oxidation reaction of EMI' + e is likely to form imidazole radicals (i.e., carbenes) and small amounts of H 2 gas.1 6 The formation of bubbles has been previously observed for EMI-BF 4 .…”
Section: Discussionmentioning
confidence: 99%
“…As the flow rate increases, Gamero-Castaflo et al have shown that the electrospray of EMI-Im produces a mixture of primarily droplets and low levels of ions from a capillary needle. 4 As illustrated in Fig. 1, sources of ion emission for a conejet mode include the neck region, the tip of the jet, and the droplets.…”
Section: Discussionmentioning
confidence: 99%
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“…For example, the LISA pathfinder mission required a maximum thrust level of 100 N with a high controllability and low thrust noise (0.1 N/Hz 1/2 ), which were realized by FEEP and colloid thrusters after several years of intensive research and development. [4][5][6] In Japan, a science mission DECIGO, where gravitational waves are measured by the formation flight of satellites, 7,8) also required challenging high-performance thrusters with a low-noise (0.1 N/Hz 1/2 ) thrust ranging from 0.1 to 100 N and a total impulse of 1000 Ns.…”
Section: Introductionmentioning
confidence: 99%
“…Colloid Micronewton Thrusters (CMNTs) [1][2][3] are being developed by Busek Co., Inc. for flight demonstration on Space Technology 7, as part of NASA's New Millennium Program. Operated by the Jet Propulsion Laboratory (JPL), ST7 will be one of two payloads on a European Space Agency (ESA) spacecraft, LISA Pathfinder, scheduled to launch in late 2009.…”
Section: Introductionmentioning
confidence: 99%