| タイトル | An investigation of magnetic field effects on plume density and temperature profiles of an applied-field MPD thruster |
| 本文（外部サイト） | http://hdl.handle.net/2060/19940021587 |
| 著者（英） | Bullock, S. Ray; Myers, R. M. |
| 著者所属（英） | NASA Lewis Research Center |
| 発行日 | 1994-01-01 |
| 言語 | eng |
| 内容記述 | Applied-field magnetoplasmadynamic (MPD) thruster performance is below levels required for primary propulsion missions. While MPD thruster performance has been found to increase with the magnitude of the applied-field strength, there is currently little understanding of the impact of applied-field shape on thruster performance. The results of a study in which a single applied-field thruster was operated using three solenoidal magnets with diameters of 12.7, 15.2, and 30.4-cm are presented. Thruster voltage and anode power deposition were measured for each applied field shape over a range of field strengths. Plume electron number density and temperature distributions were measured using a Langmuir probe in an effort to determine the effect of field shape on plume confinement by the diverging magnetic-field for each of the three magnetic field shapes. Results show that the dependence of the measured thruster characteristics on field shape were non-monotonic and that the field shape had a significant effect on the plume density and temperature profiles. |
| NASA分類 | SPACECRAFT PROPULSION AND POWER |
| レポートNO | 94N26090
NASA-TM-106416
E-8253
NAS 1.15:106416
IEPC-93-140 |
| 権利 | No Copyright |
