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U.S. In-Space Electric Propulsion Experiments

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dc.contributor.author Stocky, John F. en_US
dc.contributor.author Vondra, Robert en_US
dc.contributor.author Sutton, Alan M. en_US
dc.date.accessioned 2004-10-05T05:45:58Z
dc.date.available 2004-10-05T05:45:58Z
dc.date.issued 1994-10-03 en_US
dc.identifier.citation France en_US
dc.identifier.clearanceno 94-1266 en_US
dc.identifier.uri http://hdl.handle.net/2014/33326
dc.description.abstract Arcjet and ion propulsion offer potentially significant reductions in the mass of propulsion systems required for Earth orbiting satellites and planetary spacecraft. For this reason, they have been the subject of validation and demonstration programs. After examining the benefits of electric propulsion, this paper discusses the technology base for the Electric propulsion Space Experiment (ESEX) arcjet demonstration experiment and the NASA SEP Technology Application Readiness (NSTAR) ion propulsion validation program. As part of the Advanced Research and Global Observation Spacecraft (ARGOS), ESEX will perform ten 15-minute firings of a 30 kW ammonia arcjet. NASA's validation program, NSTAR, consists of two major elements: a ground-test element and an in-space experiment. The ground-test element will validate the life, intergrability, and performance of low-power ion propulsion. The in-space element will demonstrate the feasibility of integrating and flying an ion propulsion system. The experiment will measure the interactions among the ion propulsion system, the host spacecraft, and the surrounding space plasma; and it will provide a quantitative assessment of the ability of ground testing to replicate the in-space performance of ion thrusters. By involving industry in NSTAR, a commercial source for this technology will be ensured. Furthermore, the successful completion of the NSTAR validation program will stimulate commercial and government (both civilian and military) uses of this technology. en_US
dc.format.extent 1983245 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other arcjet ion engine electric propulsion NSTAR SEP ESEX validation space flight testing satellites spacecraft demonstration industry commercial ground testing ARGOS en_US
dc.title U.S. In-Space Electric Propulsion Experiments en_US


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