Publications

Ph.D. Dissertations

  1. Patino M. Plasma Inter-Particle and Particle-Wall Interactions. Vol Doctor of Philosophy. Los Angeles: University of California; 2017.
  2. Chiu PK. Aerodynamics and optimal design of biplane wind turbine blades. Vol Doctor of Philosophy. Los Angeles: University of California; 2017.
  3. Dankongkakul B. Overcoming the Scaling Limitations of Ring-Cusp DC Ion Thruster Discharges. Vol Doctor of Philosophy.; 2017.
  4. Conversano RW. Low-Power Magnetically Shielded Hall Thrusters. Vol Doctor of Philosophy. Los Angeles: University of California; 2015.
  5. Roth-Johnson P. Aero-Structural Design Investigations for Biplane Wind Turbine Blades. Vol Doctor of Philosophy. Los Angeles: University of California; 2014.
  6. Araki SJ. Multi-Scale Multi-Species Modeling for Plasma Devices. Vol Doctor of Philosophy. Los Angeles: University of California; 2014.
  7. Mao H-. Plasma Structure and Behavior of Miniature Ring-Cusp Discharges. Vol Doctor of Philosophy. Los Angeles: University of California; 2013.

Journal Articles

  1. Barde A, Jin K, Shinn M, Nithyanandam K, Wirz RE. Demonstration of a low cost, high temperature elemental sulfur thermal battery. Applied Thermal Engineering. 2018;137:259-267.
  2. Dodson C., Perez-Grande D., Jorns B., Goebel D., Wirz R. Ion Heating Measurements on the Centerline of a High-Current Hollow Cathode Plume. Journal of Propulsion and Power. 2018.
  3. Jorns BA, Dodson CA, Goebel DM, Wirz RE. Propagation of ion acoustic wave energy in the plume of a high-current LaB6 hollow cathode. Physical Review E. 2017;96.
  4. Dankongkakul B, Wirz RE. Miniature ion thruster ring-cusp discharge performance and behavior. Journal of Applied Physics. 2017;122(24).
  5. Li GZ, Matlock TS, Goebel DM, Dodson CA, Matthes CS, Ghoniem NM, et al. In situ plasma sputtering and angular distribution measurements for structured molybdenum surfaces. Plasma Sources Science and Technology. 2017;26(6).
  6. Matthes CS, Ghoniem NM, Li GZ, Matlock TS, Goebel DM, Dodson CA, et al. Fluence-dependent sputtering yield of micro-architectured materials. Applied Surface Science. 2017;407:223-235.
  7. Patino MI, Raitses Y, Wirz RE. Secondary Electron Emission from Plasma-Generated Nanostructured Tungsten Fuzz. Applied Physics Letters. 2016;109(201602).
  8. Conversano RW, Goebel DM, Hofer RR, Matlock TS, Wirz RE. Development and Initial Testing of a Magnetically Shielded Miniature Hall Thruster. IEEE Transactions on Plasma Science Special Issue on Plasma Propulsion. 2015;PP(99).
  9. Patino M, Raitses Y, Koel B, Wirz RE. Analysis of Secondary Electron Emission for Conducting Materials Using LEED Optics. Journal of Physics D: Applied Physics. 2015;48(195204).
  10. Tse LA, Wirz RE, Lavine AS. Optimal Operation Strategies For Thermal Energy Storage Systems In Solar Thermal Power Plants. Solar Energy Engineering. 2015;ES2015-49053:V002T18A001.
  11. Tse LA, Ganapathi GB, Wirz RE, Lavine AS. Spatial and Temporal Modeling of Sub- and Supercritical Thermal Energy Storage. Solar Energy. 2014;103:402-410.
  12. Bran-Anleu G, Wirz RE, Lavine AS, H Kavehpour P. An Algorithm to Determine the Optimized Data Range in Transient Hotwire Thermal Property Measurement. Review of Scientific Instruments. 2014.
  13. Lakeh RB, Lavine AS, H Kavehpour P, Wirz RE. Study of Turbulent Natural Convection in Vertical Storage Tubes for Supercritical Thermal Energy Storage. Numerical Heat Transfer, Part A: Applications. 2014;67(2):119-139.
  14. Matlock TS, Goebel DM, Conversano RW, Wirz RE. A dc plasma source for plasma–material interaction experiments. Plasma Sources Science and Technology. 2014.
  15. Roth-Johnson P, Wirz RE, Lin E. Structural design of spars for 100-m biplane wind turbine blades. Renewable Energy. 2014;71(November):133-155.
  16. Roth-Johnson P, Wirz RE. Aero-structural investigation of biplane wind turbine blades. Wind Energy. 2014;17(3):397-411.
  17. Dankongkakul B, Araki SJ, Wirz RE. Magnetic field structure influence on primary electron cusp losses for micro-scale discharges. Physics of Plasmas. 2014;21(4).
  18. Mao H-, Wirz RE. Plasma Structure of Miniature Ring-Cusp Ion Thruster Discharges. Journal of Propulsion and Power. 2014;30:628-636.
  19. Araki SJ, Wirz RE. Particle Weighting Algorithm for PIC Simulations in a Non-Uniform 2D Axisymmetric Mesh. Journal of Computational Science. 2014.
  20. Bran-Anleu G, Lavine AS, Wirz RE, Kavehpour HP. Algorithm to optimize transient hot-wire thermal property measurement. Review of Scientific Instruments. 2014;85.
  21. Lakeh RB, Lavine AS, H Kavehpour P, Ganapathi GB, Wirz RE. Effect of Laminar and Turbulent Buoyancy-Driven Flows on Thermal Energy Storage using Supercritical Fluids. Numerical Heat Transfer, Part A: Applications. 2013;64:955-973.
  22. Chu E, Goebel DM, Wirz RE. Reduction of Energetic Ion Production in Hollow Cathodes by External Gas Injection. Journal of Propulsion and Power. 2013:1-9.
  23. Conversano RW, Wirz RE. Mission Capability Assessment of CubeSats Using a Miniature Ion Thruster. AIAA Journal of Spacecraft and Rockets. 2013;50(5):1035-1046.
  24. Araki SJ, Wirz RE. Ion–Neutral Collision Modeling Using Classical Scattering With Spin-Orbit Free Interaction Potential. IEEE Transactions on Plasma Science. 2013;41:470-480.
  25. Tarzi Z, Speyer J, Wirz RE. Fuel optimum low-thrust elliptic transfer using numerical averaging. Acta Astronautica. 2013;86:95-118.
  26. Mao H-, Wirz RE. Quasi-equilibrium electron density along a magnetic field line. Applied Physics Letters. 2012;101:224106.
  27. Wirz RE, Anderson JR, Katz I. Time-Dependent Erosion of Ion Optics. Journal of Propulsion and Power. 2011;27(1).
  28. Wirz RE, Shariff SS. Ground Effects for Widely Spaced, Supersonic, Vertical Retrorockets. Journal of Spacecraft and Rockets. 2009;46:599-605.
  29. Wirz RE, Anderson JR, Goebel DM, Katz I. Decel Grid Effects on Ion Thruster Grid Erosion. IEEE Transactions on Plasma Science. 2008;36:2122-2129.
  30. Wirz RE, Goebel DM. Effects of magnetic field topography on ion thruster discharge performance. Plasma Sources Science and Technology. 2008;17:035010.
  31. Wirz RE, Sullivan R, Przybylowski JH, Silva M. Hollow Cathode and Low-Thrust Extraction Grid Analysis for a Miniature Ion Thruster. International Journal of Plasma Science and Engineering. 2008;2008:1-11.
  32. Hofer RR, Johnson L, Goebel DM, Wirz RE. Effects of Internally Mounted Cathodes on Hall Thruster Plume Properties. IEEE Transactions on Plasma Science. 2008;36:2004-2014.
  33. Goebel DM, Wirz RE. Analytical Ion Thruster Discharge Performance Model. Journal of Propulsion and Power. 2007;23(5):1055-1067.

Conference Papers

  1. Wright P, Thuppul A, Wirz RE. Life-Limiting Emission Modes for Electrospray Thrusters. In: 2018 Joint Propulsion Conference, AIAA Propulsion and Energy Forum. Cincinnati, OH; 2018.
  2. Thuppul A, Wright P, Wirz RE. Lifetime Considerations and Estimation for Electrospray Thrusters. In: 2018 Joint Propulsion Conference, AIAA Propulsion and Energy Forum. Cincinnati, OH; 2018.
  3. Li GZ, Huerta CE, Wirz RE. Computational Modeling of an Axial Ring Cusp Hybrid Discharge for the MiXI Thruster. In: 2018 Joint Propulsion Conference, AIAA Propulsion and Energy Forum. Cincinnati, OH; 2018.
  4. Samples S, Li GZ, Wirz RE. Performance Testing and Development of the MiXI Thruster with the ARCH Discharge. In: 2018 Joint Propulsion Conference, AIAA Propulsion and Energy Forum. Cincinnati, OH; 2018.
  5. Huerta CE, Wirz RE. DC-Ion Model Validation and Convergence Studies. In: 2018 Joint Propulsion Conference, AIAA Propulsion and Energy Forum. Cincinnati, OH; 2018.
  6. Dodson C., Jorns B., Wirz R. Ion Acoustic Wave Propagation and Heating in a High-Current Hollow Cathode Plume. In: 35th International Electric Propulsion Conference. Atlanta, GA; 2017.
  7. Dankongkakul B, Wirz RE. Design and Performance of the Axial Ring-Cusp Hybrid (ARCH) Discharge for Miniature Ion Thrusters. In: 35th International Electric Propulsion Conference. Atlanta, GA; 2017.
  8. Li GZ, Dodson CA, Wirz RE, Matlock TS, Goebel DM. Implementation of in situ diagnostics for sputter yield measurements in a focused plasma. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum. Salt Lake City, UT; 2016.
  9. Dankongkakul B, Wirz RE. Design of Miniature Ring-Cusp Ion Thrusters via Analysis of Discharge EEDF and Plasma Parameter Mapping. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum,. Salt Lake City, UT; 2016.
  10. Dodson CA, Perez-Grande D, Jorns BA, Goebel DM, Wirz RE. Laser-induced Fluorescence Measurements of Energetic Ions in a 100-A LaB6 Hollow Cathode Plume. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum,. Salt Lake City, UT; 2016.
  11. Huerta CE, Wirz RE. Surface Geometry Effects on Secondary Electron Emission Via Monte Carlo Modeling. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum. Salt Lake City, UT; 2016.
  12. Conversano RW, Goebel DM, Hofer RR, Mikellides IG, Katz I, Wirz RE. Development and Validation Overview for the Design of Low Power Magnetically Shielded Hall Thrusters. In: 62nd JANNAF Propulsion Meeting.; 2015.
  13. Conversano RW, Goebel DM, Hofer RR, Mikellides IG, Katz I, Wirz RE. Magnetically Shielded Miniature Hall Thruster: Design Improvement and Performance Analysis. In: 34th International Electric Propulsion Conference. Kobe, Japan; 2015.
  14. Tse LA, Wirz RE, Lavine AS. Optimal Operation Strategies For Thermal Energy Storage Systems In Solar Thermal Power Plants. In: ASME 9th International Conference on Energy Sustainability.; 2015.
  15. Huerta CE, Matlock TS, Wirz RE. Validation of a Plasma-Facing Surface Sputtering and Deposition View Factor Model. In: SPACE 2015.; 2015.
  16. Araki SJ, Wirz RE. Modeling of Elastic Collisions between High Energy and Slow Neutral Atoms. In: 34th International Electric Propulsion Conference. Kobe, Japan; 2015.
  17. Conversano RW, Goebel DM, Mikellides IG, Hofer RR, Matlock TS, Wirz RE. Magnetically Shielded Miniature Hall Thruster: Performance Assessment and Status Update. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Cleveland, OH; 2014.
  18. Conversano RW, Arora N, Goebel DM, Wirz RE. Preliminary Mission Capabilities Assessment of a Magnetically Shielded Miniature Hall Thruster. In: 65th International Aerospace Congress. Toronto, Canada; 2014.
  19. Araki SJ, Wirz RE. Magnetic Field Aligned Mesh for Ring-Cusp Discharge Chambers. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Cleveland, OH; 2014.
  20. Tse LA, Lakeh RB, Wirz RE, Lavine AS. Exergy-based Optimization of Sub- and Supercritical Thermal Energy Storage Systems. In: 8th International Conference on Energy Sustainability. Boston, Massachusetts: ASME; 2014.
  21. Conversano RW, Goebel DM, Mikellides IG, Hofer RR, Matlock TS, Wirz RE. Performance Validation and Analysis of a Magnetically Shielded Miniature Hall Thruster. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Cleveland, OH; 2014.
  22. Dodson CA, Wirz RE, Matlock TS. Computational Modeling of a High Power Plasma Source for Material Interaction Experiments. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  23. Araki SJ, Wirz RE. Particle Simulation of Near-Surface Cusp Confinement of Weakly Ionized Plasma. In: 33rd International Electric Propulsion Conference. George Washington University, Washington D.C., USA; 2013.
  24. Matlock TS, Goebel DM, Wirz RE. Characterization of a High-Flux Plasma Source. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  25. Dankongkakul B, Araki SJ, Wirz RE. Influence of Upstream Field Structure on Primary Electron Loss for a Permanent Magnet Cusp. In: 49th AIAA/ASME/SAE/ASEE Joint PropulsionConference. American Institute of Aeronautics and Astronautics; 2013. (Joint Propulsion Conferences).
  26. Dankongkakul B, Araki SJ, Wirz RE. Measurements and Analysis of a Permanent Magnet Cusp Confined Plasma Near the Anode Surface. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  27. Matlock TS, Conversano RW, Goebel DM, Wirz RE. The Plasma-Material Interactions Facility at UCLA. In: 49th AIAA/ASME/SAE/ASEE Joint PropulsionConference. American Institute of Aeronautics and Astronautics; 2013. (Joint Propulsion Conferences).
  28. Conversano RW, Goebel DM, Hofer RR, Matlock TS, Wirz RE. Magnetically Shielded Miniature Hall Thruster: Development and Initial Testing. In: 33rd International Electric Propulsion Conference. George Washington University, Washington D.C., USA; 2013.
  29. Furst BI, Lavine AS, Lakeh RB, Wirz RE. Isobaric, Isochoric and Supercritical Thermal Energy Storage in R134a. In: ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013. San Diego, CA: ASME; 2013.
  30. Patino MI, Raitses Y, Koel BE, Wirz RE. Application of Auger Spectroscopy for Measurement of Secondary Electron Emission from Conducting Materials for Electric Propulsion Devices. In: 33rd International Electric Propulsion Conference. George Washington University, Washington D.C, USA; 2013.
  31. Ganapathi GB, Berisford D, Furst B, Bame D, Pauken M, Wirz RE. A 5 kWht lab scale demonstration of a novel TES concept with supercritical fluids. In: ASME 2013 7th International Conference on Energy Sustainability. Minneapolis, Minnesota; 2013.
  32. Tse LA, Stopin A, Ganapathi GB, Garcia-Garibay MA, Wirz RE. Thermal Testing of Organic Fluids for Supercritical Thermal Energy Storage Systems. In: ASME 2013 7th International Conference on Energy Sustainability. Minneapolis, Minnesota; 2013.
  33. Lakeh RB, Lavine AS, H Kavehpour P, Ganapathi GB, Wirz RE. Effect of natural convection on thermal energy storage using supercritical fluids. In: ASME 2013 7th International Conference on Energy Sustainability. Minneapolis, Minnesota; 2013.
  34. Dankongkakul B, Araki SJ, Wirz RE. Electron Loss at a Magnetic Cusp for a Range of Upstream Magnetic Field Conditions. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  35. Furst B, Lavine AS, Lakeh RB, Wirz RE. Isobaric, Isochoric and Supercritical Thermal Energy Storage in R134a. In: ASME 2013 International Mechanical Engineering Congress and Exposition. San Diego, California; 2013.
  36. Bran-Anleu G, H Kavehpour P, Lavine AS, Lakeh RB, Wirz RE. An Algorithm to Determine the Optimized Data Range in Transient Hotwire Thermal Property Measurement. In: ASME 2013 International Mechanical Engineering Congress and Exposition2. San Diego, California; 2013.
  37. Matlock TS, Goebel DM, Conversano RW, Wirz RE. Near Anode Plasma in the Plasma Interaction Facility at UCLA. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  38. Lakeh RB, H Kavehpour P, Lavine AS, Ganapathi GB, Wirz RE. Study of turbulent natural convection in vertical storage tubes for supercritical thermal storage system. In: ASME 2013 International Mechanical Engineering Congress and Exposition. San Diego, California; 2013.
  39. Tse LA, Ganapathi GB, Wirz RE, Lavine AS. System Modeling for a Supercritical Thermal Energy Storage System. In: ASME 2012 6th International Conference on Energy Sustainability. ASME; 2012. 6. p. 691-698p.
  40. Stopin A, Ganapathi GB, Wirz RE, Garcia-Garibay M. Stability of organic fluids at high temperature for thermal energy storage. In: ASME 6th International Conference on Energy Sustainability.; 2012.
  41. Ganapathi GB, Wirz RE. High Density Thermal Energy Storage With Supercritical Fluids. In: ASME 2012 6th International Conference on Energy Sustainability, Parts A and B. ASME; 2012. 6. p. 699-707p.
  42. Wirz RE, Dankongkakul B, Araki SJ. Near-Surface Cusp Confinement for Weakly Ionized Plasma. In: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference . Atlanta, GA; 2012.
  43. Ganapathi GB, Wirz RE. High Density Thermal Energy Storage With Supercritical Fluids. In: ASME 2012 6th International Conference on Energy Sustainability, Parts A and B. ASME; 2012. 6. p. 699-707p.
  44. Mao H-, Wirz RE, Goebel DM. Plasma Structure of Miniature Ring-Cusp Ion Thruster Discharges. In: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics; 2012.
  45. Patino M, Chu L, Wirz RE. Ion-Neutral Collision Analysis for a Well-Characterized Plasma Experiment. In: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2012. (Joint Propulsion Conferences).
  46. Wirz RE, Johnson PM. Aero-Structural Performance of Multiplane Wind Turbine Blades. In: 29th AIAA Applied Aerodynamics Conference. Honolulu, HI: AIAA; 2011. 1. p. 1-15p.
  47. Wirz RE, Chu L, Patino M. Well-characterized plasma experiments for validation of computational models. In: 32nd International Electric Propulsion Conference. Wiesbaden, Germany; 2011.
  48. Wirz RE, Katz I, Goebel DM, Anderson JR. Electron Backstreaming Determination for Ion Thrusters. In: Journal of Propulsion and Power. Vol 27. American Institute of Aeronautics and Astronautics; 2011. 2. p. 206-210p. (Joint Propulsion Conferences; vol 27).
  49. Wirz RE, Anderson JR, Katz I, Goebel DM. Time-Dependent Erosion of Ion Optics. In: Journal of Propulsion and Power. Vol 27. American Institute of Aeronautics and Astronautics; 2011. 2. p. 211-217p. (Joint Propulsion Conferences; vol 27).
  50. Mao H-, Wirz RE. Comparison of Charged Particle Tracking Methods for Non-Uniform Magnetic Fields. In: 42nd AIAA Plasmadynamics and Lasers Conference. American Institute of Aeronautics and Astronautics; 2011. (Fluid Dynamics and Co-located Conferences).
  51. Araki SJ, Wirz RE. Collision Modeling for High Velocity Ions in a Quiescent Gas. In: 42nd AIAA Plasmadynamics and Lasers Conference. American Institute of Aeronautics and Astronautics; 2011. (Fluid Dynamics and Co-located Conferences).
  52. Conversano RW, Wirz RE. CubeSat Lunar Mission Using a Miniature Ion Thruster. In: 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. San Diego, CA, USA: AIAA; 2011. (Joint Propulsion Conferences).
  53. Tarzi Z, Speyer J, Wirz RE. Optimum Low-Thrust Elliptical Transfer for Power Limited Spacecraft using Numerical Averaging and Continuously Variable Thrust. In: Proceedings of the 21st AAS/AIAA Spaceflight Mechanics Meeting. New Orleans, Louisiana; 2011.
  54. Wirz RE. Coupled Analysis of Ion Thruster Grid Erosion and Electron Backstreaming. In: Space Propulsion 2010. San Sebastian, Spain; 2010.
  55. Marrese-Reading CM, Ziemer JK, Scharf DP, Martin-Mur TJ, Thompson P, Mueller J, et al. Mission enabling and enhancing spacecraft capabilities with microNewton electric propulsion. In: 2010 IEEE Aerospace Conference. IEEE; 2010. 1. p. 1-10p.
  56. Tarzi Z, Speyer J, Wirz RE, Angeles L. Optimum Low-Thrust Transfer between Arbitrary Elliptic Orbits for Power-Limited Spacecraft using Asymptotic. In: 31st International Electric Propulsion Conference.; 2009. 1. p. 1-22p.
  57. Wirz RE. Long Duration Assessment of Electron Backstreaming for Ion Optics. In: 31st International Electric Propulsion Conference.; 2009. 1. p. 1-10p.
  58. Marrese-Reading CM, St.Vaughn J, Prakash R, Singh G, Frisbee R, Mandic M, et al. Orion spacecraft nominal and contingency earth landing retro rocket system options. In: 2009 IEEE Aerospace conference. IEEE; 2009. 1. p. 1-16p.
  59. Marrese-Reading CM, Ziemer JK, Scharf DP, Wirz RE. MicroNewton Electric Propulsion Requirements to Enhance or Enable Future NASA Missions. In: 31st International Electric Propulsion Conference. Ann Arbor, Michigan; 2009.
  60. Lengyel A, Wirz RE. Miniature Valve for Xenon Thrusters. In: 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2008. (Joint Propulsion Conferences).
  61. Goebel DM, Polk J, Wirz RE, Snyder J, Mikellides I, Katz I, et al. Qualification of Commercial XIPS Ion Thrusters for NASA Deep Space Missions. In: 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2008. (Joint Propulsion Conferences).
  62. Martin SR, Scharf DP, Wirz RE, Lay O, McKinstry D, Mennesson B, et al. Design Study for a Planet-Finding Space Interferometer. In: 2008 IEEE Aerospace Conference. IEEE; 2008. 1. p. 1-19p.
  63. Wirz RE. Ground Effects Due to CEV Retrorockets. In: 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2007. (Joint Propulsion Conferences).
  64. Martin SR, Scharf DP, Wirz RE, Lay O, McKinstry D, Mennesson B, et al. TPF-Emma: concept study of a planet finding space interferometer. In: Coulter DR, editor. Proc. SPIE 6693. Vol 669309.; 2007. (Techniques and Instrumentation for Detection of Exoplanets III; vol 669309).
  65. Goebel DM, Wirz RE, Katz I. Analytical Ion Thruster Discharge Performance Model. In: Journal of Propulsion and Power. Vol 23. American Institute of Aeronautics and Astronautics; 2007. 1. p. 1055-1067p. (Joint Propulsion Conferences; vol 23).
  66. Wirz RE, Anderson JR, Goebel D, Katz I. XIPS Ion Thruster Grid Erosion Assessment. In: 30th International Electric Propulsion Conference. Florence, Italy; 2007.
  67. Wirz RE, Goebel DM. Ion Thruster Discharge Performance per Magnetic Field Topography. In: 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2006. (Joint Propulsion Conferences).
  68. Wirz RE, Sullivan R, Przybylowski JH, Silva M. Discharge Hollow Cathode and Extraction Grid Analysis for the MiXI Ion Thruster. In: 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2006. (Joint Propulsion Conferences).
  69. Katz I, Mikellides I, Goebel DM, Jameson K, Wirz RE, Johnson L. Production of High Energy Ions Near an Ion Thruster Discharge Hollow Cathode. In: 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2006. (Joint Propulsion Conferences).
  70. Katz I, Mikellides I, Wirz RE, Anderson JR, Goebel DM. Ion Thruster Life Models. In: 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2005. (Joint Propulsion Conferences).
  71. Li Y-, Hamlin LA, Wirz RE, Adams D, Moore G, Coppolino R, et al. Dynamic simulations for the Terrestrial Planet Finder interferometer. In: MacEwen HA, editor. Proc. SPIE 5899. Vol 589904.; 2005. (UV/Optical/IR Space Telescopes: Innovative Technologies and Concepts II; vol 589904).
  72. Wirz RE, Katz I. Plasma Processes of DC Ion Thruster Discharge Chambers. In: 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2005. (Joint Propulsion Conferences).
  73. Wirz RE. Computational Modeling of a Miniature Ion Thruster Discharge. In: 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2005. (Joint Propulsion Conferences).
  74. Wirz RE, Katz I. 2-D Discharge Chamber Model for Ion Thrusters. In: 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2004. (Joint Propulsion Conferences).
  75. Wirz RE, Mueller J, Gale M, Marrese C. Miniature Ion Thruster for Precision Formation Flying. In: 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2004. (Joint Propulsion Conferences).
  76. Wirz RE, Goebel DM, Marrese C, Mueller J. Development of Cathode Technologies for a Miniature Ion Thruster. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2003. (Joint Propulsion Conferences).
  77. Katz I, Anderson JR, Polk J, Brophy J. Plasma Generation Near an Ion Engine Discharge Chamber Hollow Cathode. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2003. (Joint Propulsion Conferences).
  78. Wirz RE, Katz I. A Preliminary 2-D Computational Model of an Ion Thruster Discharge Chamber. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2003. (Joint Propulsion Conferences).
  79. Katz I, Anderson JR, Goebel DM, Wirz RE, Sengupta A. Plasma Generation Near an Ion Thruster Discharge Chamber Hollow Cathode. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Hunstville, AL; 2003.
  80. Wirz RE, Polk J, Marrese C, Mueller J. Experimental and Computational Investigation of the Performance of a Micro-Ion Thruster. In: 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2002. (Joint Propulsion Conferences).
  81. Wirz RE, Polk J, Marrese C, Mueller J, Escobedo J, Sheehan P. Development and Testing of a 3cm Electron Bombardment Micro-Ion Thruster. In: 27th International Electric Propulsion Conference.; 2001. 1. p. 1-12p.
  82. Mueller J, Ziemer JK, Hofer RR, Wirz RE, O'Donnell T. A Survey of Micro-Thrust Propulsion Options for Microspacecraft and Formation Flying Missions. In: 5th Annual CubeSat Developers Workshop. San Luis Obispo, CA.

Presentations

  1. Conversano RW, Goebel DM, Hofer RR, Matlock TS, Wirz RE. Magnetically Shielded Miniature (MaSMi) Hall Thruster.; 2014.
  2. Roth-Johnson P, Chiu PK, Wirz RE. Biplane wind turbine blades: aero-structural design studies.; 2014.
  3. Roth-Johnson P, Chiu PK, Wirz RE. Advanced biplane blade design for large-scale wind turbines.; 2014.
  4. Roth-Johnson P, Roth-Johnson E, Alvarez K, Choi J, Wirz RE, Carman G. Building Engineers and Mentors: Bringing science and engineering to Los Angeles schools.; 2013.
  5. Roth-Johnson E, Roth-Johnson P, Alvarez K, Choi J, Wirz RE, Carman G. Building Engineers and Mentors: Planning for the Future.; 2013.
  6. Choi D, Wirz RE, Ganapathi GB, H Kavehpour P. Numerical Simulation of Heat Transfer to a Supercritical Thermal Fluid .; 2012.

Patents

  1. Conversano RW, Goebel DM, Wirz RE. Magnetically Shielded Miniature Hall Thruster.; 2014.
  2. Roth-Johnson P, Wirz RE. High-Strength Wind Turbine Blades and Wings.; 2013.
  3. Wirz RE, Stopin A, Lavine AS, H Kavehpour P, Garcia-Garibay M, Lakeh RB, et al. High-Density, High-Temperature Thermal Energy Storage And Retrieval.; 2013.
  4. Furst BI, Wirz RE, Lavine AS, H Kavehpour P, Lakeh RB. High Density Thermal Energy Storage System at the Thermodynamic Critical Point.; 2013.
  5. Furst BI, Wirz RE, Lavine AS. Thermal Property Measurement Device.; 2013.