Evaluation of sub-scale NEXIS ion optics and strategies for performing accelerated wear testing

40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit

Volumn , Issue , 2004, Pages

  Martinez, Rafael A ^a,c   Buttweiler, Mark S ^a,c   Williams, John D ^a,c   Drummond, Geoffrey ^b,c  

^a Department of Environmental and Radiological Health Sciences   (United States)

^b Colorado Power Electronics ^*  (United States)

^c 1320 Campus Delivery ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCELERATING VOLTAGES; BEAM CURRENTS; BEAMLETS; CARBON-BASED; GRID SURFACES; GRID-SPACINGS; GROOVE PATTERNS; HIGH SPECIFIC IMPULSE; HOLE DIAMETER; ION CURRENTS; ION OPTICS; ION OPTICS SYSTEMS; ION THRUSTER; LIFE-TIMES; OPERATIONAL LIMITS; POWER SUPPLY; SIDE WALLS; STANDARD TESTS; STORED ENERGY; THRUSTER FIRINGS; WEAR TEST; WEAR-TESTING;

ELECTRIC POTENTIAL; ELECTRIC POWER DISTRIBUTION; ELECTRIC POWER TRANSMISSION NETWORKS; ELECTRIC POWER UTILIZATION; ION PROPULSION; PROPULSION;

IONS;

EID: 84888515339     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. T. Randolph and J.E. Polk, "An Overview of the Nuclear Electric Xenon Ion System (NEXIS) Activity," AIAA-2004-3450, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 2004.
2. D.M. Goebel, "Breakdown Characteristics and Conditioning of Carbon and Refractory Metal Surfaces", Invited plenary talk at the IEEE High Voltage Workshop, San Francisco CA, May 2004.
3. G. Drummond, Colorado Power Electronics, SBIR Phase I program results, June 2004.
4. D.M. Laufer, J.D. Williams, C.C. Farnell, P.B. Shoemaker, and Paul J. Wilbur, "Experimental Evaluation of Sub-Scale CBIO Ion Optics Systems," AIAA-2003-5165, 39th Joint Propulsion Conference, Huntsville Alabama, 21-24 July 2003.
5. D.M. Goebel, Jet Propulsion Laboratory, Private Communication, June 2004.
6. th Joint Propulsion Conference, Huntsville, AL, 2003.
7. D. Rapp and W.E. Francis, "Charge Exchange between Gaseous Ions and Atoms," J. of Chemical Physics, V. 37, No. 11, 1962. See also J.S. Miller, S.H. Pullins, D.L Levandier, Y. Chiu, and R.A. Dressier, "Xenon Charge Exchange Cross Sections for Electrostatic Thruster Models," J. Applied Physics, V. 91, No. 3, 2002. Miller et al. reports ̃30% higher charge exchange cross-sections compared to Rapp and Francis over the range of ion energy from 40 to 600 eV.
8. J.D. Williams, M.L. Johnson, and D.D. Williams, "Differential Sputtering Behavior of Pyrolytic Graphite and Carbon-Carbon Composite Under Xenon Bombardment," AIAA-2004-7788, 40th Joint Propulsion Conference, Fort Lauderdale, AL, 2004.
9. G. Drummond, Colorado Power Electronics, Private Communication, June 2004.