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Propulsion instruments for small Hall thruster integration

Show simple item record Johnson, Lee K. Conroy, David G. Spanjers, Greg G. Bromaghim, Daron R. 2007-09-07T22:36:54Z 2007-09-07T22:36:54Z 2001-10-15
dc.identifier.citation 27th International Electric Propulsion Conference(IEPC), Pasadena, California, October 15-19, 2001 en
dc.identifier.clearanceno 01-2189
dc.description.abstract Planning and development are underway for the propulsion instrumentation necessary for the next AFRL electric propulsion flight project, which includes both a small Hall thruster and a micro-PPT. These instruments characterize the environment induced by the thruster and the associated data constitute part of a 'user's manual' for these thrusters. Several instruments probe the back-flow region of the thruster plume, and the data are intended for comparison with detailed numerical models in this region. Specifically, an ion probe is under development to determine the energy and species distributions, and a Langmuir probe will be employed to characterize the electron density and temperature. Other instruments directly measure the effects of thruster operation on spacecraft thermal control surfaces, optical surfaces, and solar arrays. Specifically, radiometric, photometric, and solar-cell-based sensors are under development. Prototype test data for most sensors should be available, together with details of the instrumentation subsystem and spacecraft interface. en
dc.description.sponsorship NASA/JPL, Electric Rocket Propulsion Society en
dc.format.extent 4797365 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2001 en
dc.subject electric propulsion instrumentation en
dc.subject ion probes en
dc.subject Langmuir probes en
dc.subject Hall thruster en
dc.title Propulsion instruments for small Hall thruster integration en
dc.type Preprint en

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