All Stories

  1. Formation and Impact of Microcracks in Plasma Erosion of M26 Boron Nitride

    Article • Journal of Propulsion and Power, January 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker, Collin Whittaker

  2. Survey and Performance Evaluation of Small-Satellite Propulsion Technologies

    Article • Journal of Spacecraft and Rockets, October 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Sara Miller, Prof. Mitchell L. R. Walker

  3. Assessment of the Capability of Terahertz Time-Domain Spectroscopy as a Plasma Diagnostic

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  4. Background Flow Model Validation with a Six-Kilowatt Hall Effect Thruster

    Article • Journal of Propulsion and Power, March 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  5. Impact of Propellant Species on Hall Effect Thruster Electrical Facility Effects

    Article • Journal of Propulsion and Power, May 2018, American Institute of Aeronautics and Astronautics (AIAA)

    David King, Prof. Mitchell L. R. Walker

  6. Neutral Ingestion Effects on Plume Properties of a Radio-Frequency Plasma Discharge

    Article • Journal of Propulsion and Power, January 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker, Natalie Caruso

  7. Electrical Facility Effects on Faraday Probe Measurements

    Article • Journal of Propulsion and Power, January 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker, David King

  8. Background Flow Model of Hall Thruster Neutral Ingestion

    Article • Journal of Propulsion and Power, September 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  9. Recommended Practice for Flow Control and Measurement in Electric Propulsion Testing

    Article • Journal of Propulsion and Power, May 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  10. Recommended Practice for Thrust Measurement in Electric Propulsion Testing

    Article • Journal of Propulsion and Power, May 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  11. Investigation of Plasma Material Erosion Under Mechanical Stress

    Article • Journal of Propulsion and Power, March 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  12. Electrical Facility Effects on Hall Current Thrusters: Electron Termination Pathway Manipulation

    Article • Journal of Propulsion and Power, November 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  13. Recommended Practice for Use of Faraday Probes in Electric Propulsion Testing

    Article • Journal of Propulsion and Power, September 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  14. Search for Anomalous Ridge Growth during Stressed Material Plasma Erosion

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  15. Performance Evaluation of the T-40 Low-Power Hall Current Thruster

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  16. Electrical Facility Effects on Hall-Effect-Thruster Cathode Coupling: Discharge Oscillations and Facility Coupling

    Article • Journal of Propulsion and Power, July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  17. Electrical Facility Effects on Hall Thruster Cathode Coupling: Performance and Plume Properties

    Article • Journal of Propulsion and Power, January 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  18. Initial Thrust Measurements of Marshall’s Ion-ioN Thruster

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  19. Role of a Conducting Vacuum Chamber in the Hall Effect Thruster Electrical Circuit

    Article • Journal of Propulsion and Power, November 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  20. Three-Dimensional Model for Erosion of a Hall-Effect Thruster Discharge Channel Wall

    Article • Journal of Propulsion and Power, September 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  21. Design and Preliminary Testing Plan of Electronegative Ion Thruster

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  22. Impact of Cathode Position and Electrical Facility Effects on Hall Effect Thruster Performance and Discharge Current Behavior

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  23. Preliminary Assessment of the Role of a Conducting Vacuum Chamber in the Hall Effect Thruster Electrical Circuit

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  24. Facility Effects on Helicon Plasma Source Operation

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker

  25. Effects of Wall Temperature and Surface Roughness on the Plasma Sheath

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Prof. Mitchell L. R. Walker