Plasma Dynamics Modeling Laboratory

Department of Aerospace Engineering
Texas A&M University

Journal Publications
  1. R. Kawashima, K. Hara, and K. Komurasaki, "Numerical analysis of azimuthal rotating spokes in a crossed-field discharge plasma," Plasma Sources Science and Technology 27, 035010 (2018)
  2. E. K. Tokluoglu, I. D. Kaganovich, J. A. Carlsson, K. Hara, and E. A. Startsev, "Amplification of Self-Electric and Magnetic Fields of an Ion Beam Propagating in Background Plasma due to Two-Stream Instability," Physics of Plasmas 25 (2018), accepted
  3. I. Romadanov, Y. Raitses, A. Diallo, K. Hara, I. D. Kaganovich, and A. Smolyakov, "On limitations of laser-induced fluorescence diagnostics for xenon ion velocity distribution function measurements in Hall thrusters," Physics of Plasmas 25, 033501 (2018)
  4. K. Hara, I. D. Kaganovich, and E. A. Startsev, "Generation of forerunner electron beam during interaction of ion beam pulse with plasma", Physics of Plasmas 25, 011609 (2018)
  5. K. Hara, I. Barth, E. Kaminski, I. Y. Dodin, and N. J. Fisch, "Kinetic simulations of ladder climbing' by electron plasma waves", Physical Review E 95, 053212 (2017)
  6. K. M. Hanquist, K. Hara, and I. D. Boyd, "Detailed Modeling of Electron Emission for Transpiration Cooling of Hypersonic Vehicles", Journal of Applied Physics 121, 053302 (2017)
  7. K. Hara, T. Chapman, J. W. Banks, S. Brunner, I. Joseph, R. L. Berger, and I. D. Boyd, "Quantitative study of trapped particle bunching instability in Langmuir waves", Physics of Plasmas 22, 022104 (2015)
  8. K. Hara, M. J. Sekerak, I. D. Boyd, and A. D. Gallimore, "Perturbation analysis of ionization oscillations in Hall effect thrusters", Physics of Plasmas 21, 122103 (2014)
  9. K. Hara, M. J. Sekerak, I. D. Boyd, and A. D. Gallimore, "Mode transition of a Hall thruster discharge plasma", Journal of Applied Physics 115, 203304 (2014)
  10. K. Hara, I. D. Boyd, and V. I. Kolobov, "One-dimensional hybrid-direct kinetic simulation of the discharge plasma in a Hall thruster", Physics of Plasmas 19, 113508 (2012)
  11. S. Cho, S. Yokota, K. Hara, D. Takahashi, Y. Arakawa, K. Komurasaki, and A. Kobayashi, "A Development of Lifetime Evaluation Method Using Multilayer Coating Chip", Transaction of the Japan Society for Aeronautics and Space Science, Aerospace Technology Japan, Japan Society for Aeronautics and Space Science, 8, Pb 51-Pb 54 (2010)
  12. S. Cho, S. Yokota, Y. Fukushima, K. Hara, Y. Arakawa, K. Komurasaki, and A. Kobayashi, "Application of lifetime evaluation method using multilayer coated chips", Plasma Application and Hybrid Functionally Materials, Institute of Applied Plasma Science 18, 84 (2009)
  13. M. Lempke, S. Yokota, M. Matsui, K. Hara, K. Komurasaki, and Y. Arakawa, "LIF Spectroscopy of a Hall thruster plasma plume", Plasma Application and Hybrid Functionally Materials, 17 (2008)


Conference Presentations
  1. K. Hara and R. Kawashima, "Low-frequency ionization oscillations due to azimuthally rotating spokes in cross-field configurations," QR1.00003, 70th Annual Gaseous Electronics Conference, Pittsburgh, PA, November 2017.
  2. A. Khrabry, A. Khodak, K. Hara, V. Nemchinsky, and I. D. Kaganovich, "Self-consistent numerical simulation of carbon transport in the arc discharge for carbon nanotube synthesis," VF1.00004, 70th Annual Gaseous Electronics Conference, Pittsburgh, PA, November 2017.
  3. K. Hara, I. Barth, E. Kaminski, I. Dodin, and N. Fisch, "Grid-based kinetic simulations of ladder climbing by electron plasma waves," NW1.00058, 70th Annual Gaseous Electronics Conference, Pittsburgh, PA, November 2017. (poster)
  4. K. Hara and S. Cho, "Background pressure effects on Hall thruster discharge plasma using a full particle simulation," GT1.00071, 70th Annual Gaseous Electronics Conference, Pittsburgh, PA, November 2017. (poster)
  5. E. T. Dale, B. Jorns, and K. Hara, "Numerical investigation of the stability criteria for the breathing mode in Hall Effect Thrusters," IEPC-2017-265, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  6. J. W. Koo, J. Tran, R. S. Martin, and K. Hara, "Role of Ion Dynamics in Anomalous Electron Transport," IEPC-2017-009, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  7. R. Kawashima, J. Bak, K. Hara, K. Komurasaki, and H. Koizumi, "Effects of Azimuthal Non-uniformity on the Hall Thruster Discharge," IEPC-2017-527, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  8. A. Kawasaki and K. Hara, "Development of 1D, time-dependent, multi-fluid model for Hall thruster discharge plasma," IEPC-2017-508, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  9. K. Hara and K. Kubota, "Direct kinetic simulation of ion acoustic turbulence in cathode plume," IEPC-2017-496, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  10. K. Hara and S. Cho, "Radial-azimuthal particle-in-cell simulation of a Hall effect thruster," IEPC-2017-495, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  11. I. Romadanov, A. Smolyakov, A. Diallo, Y. Raitses, and K. Hara, "Time-resolved measurements of modulated breathing oscillations in Hall Thruster," IEPC-2017-267, 35th International Electric Propulsion Conference, Atlanta, GA, October 2017.
  12. H. C., Dragnea, K. Hara, and I. D. Boyd, "Development of a 2D Axisymmetric Electron Fluid Model in Hall Thrusters", AIAA Propulsion and Energy Forum and Exposition, AIAA Paper 2017-4632, July 2017.
  13. A. Raisanen, K. Hara and I. D. Boyd, "Assessment of a Two-Dimensional Hybrid-Direct Kinetic Simulation of a Hall Thruster," AIAA Propulsion and Energy Forum and Exposition, AIAA Paper 2017-4727, Atlanta, GA, July 2017.
  14. S. E. Anderson, K. Hara, and S. S. Girimaji, "Advanced Magneto-gas-kinetic scheme for MHD: Analysis and comparison to existing models", IEEE International Conference on Plasma Science., Atlantic City, NJ, May 2017.
  15. R. Kawashima and K. Hara, "Numerical modeling of rotating spokes in Hall thruster discharge plasma", IEEE International Conference on Plasma Science, Paper \#1566, Atlantic City, NJ, May 2017.
  16. K. Hara and I. D. Kaganovich, "Electron acceleration due to the interaction between a neutralized ion beam and background plasma", IEEE International Conference on Plasma Science, Paper \#1539, Atlantic City, NJ, May 2017.
  17. K. Hara, I. Barth, E. Kaminski, I. Dodin, and N. Fisch, "Vlasov simulations of ladder climbing and autoresonant acceleration of Langmuir waves," 58th Annual Meeting of the APS Division of Plasma Physics, San Jose, CA, October 2016. (poster)
  18. K. Hara, I. D. Kaganovich and Y. Raitses, "Fluid simulation of carbon arc plasma," 69th Annual Gaseous Electronics Conference, Bochum, Germany, October 2016.
  19. K. Hara, S. Keller, and Y. Raitses, "Measurements and theory of driven breathing oscillations in a Hall effect thruster", AIAA Propulsion and Energy Forum and Exposition 2016, AIAA-2016-4532, Salt Lake City, UT, July 2016.
  20. K. Hara and S. Cho, "Development of a hybrid particle-continuum kinetic method for Hall thruster discharge plasmas", AIAA Propulsion and Energy Forum and Exposition 2016, AIAA-2016-4621, Salt Lake City, UT, July 2016.
  21. A. Raisanen, K. Hara, and I. D. Boyd, "Comparing Two-Dimensional, Axisymmetric, Hybrid-Direct Kinetic and Hybrid-Particle-in-Cell Simulations of the Discharge Plasma in a Hall Thruster", AIAA Propulsion and Energy Forum and Exposition 2016, AIAA-2016-4620, Salt Lake City, UT, July 2016.
  22. R. Kawashima, K. Hara, K. Komurasaki, and H. Koizumi, "A Unified Model for Axial-Radial and Axial- Azimuthal Hall Thruster Simulations", AIAA Propulsion and Energy Forum and Exposition 2016, AIAA- 2016-4726, Salt Lake City, UT, July 2016.
  23. K. M. Hanquist, K. Hara, and I. D. Boyd, "Modeling of Electron Transpiration Cooling for Hypersonic Vehicles", 46th AIAA Thermophysics Conference, AIAA Paper 2016-4433, June 2016.
  24. K. Hara and I. D. Kagaonovich, "Electron Acceleration due to Ion Beam Driven Instability", 57th Annual Meeting of APS Division of Plasma Physics, Savannah, GA, November 2015. (Poster)
  25. H. Dragnea, K. Hara and I. D. Boyd, "A 9-Point Finite Volume Potential Solver", 68th Annual Gaseous Electronics Conference, Honolulu, HI, October 2015.
  26. K. Hara and I. D. Boyd, "Axial-azimuthal hybrid-direct kinetic simulation of Hall effect thrusters", IEPC- 2015-286, 34th International Electric Propulsion Conference, Kobe, Japan, July 2015.
  27. K. Hara, M. J. Sekerak, A. D. Gallimore, and I. D. Boyd, "Breathing mode in Hall effect thrusters", IEPC- 2015-283, 34th International Electric Propulsion Conference, Kobe, Japan, July 2015.
  28. K. Hara, T. Chapman, J. W. Banks, S. Brunner, I. Joseph, R. L. Berger, and I. D. Boyd, "Vlasov simulations of negative mass instability of Langmuir waves", 56th Annual Meeting of APS Division of Plasma Physics, New Orleans, LA, November 2014. (Poster) (Student travel grant)
  29. K. Hara, I. D. Boyd, M. J. Sekerak, and A. D. Gallimore, "Discharge oscillation mode transition of a Hall thruster", 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams, Washington DC, May 2014. (Awarded)
  30. K. Hara and I. D. Boyd, "Front tracking scheme for direct kinetic simulations", 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams, Washington DC, May 2014.
  31. K. Hara, I. D. Boyd, and I. D. Kaganovich, "A direct Vlasov simulation of nonlinear plasma waves", 55th Annual Meeting of APS Division of Plasma Physics, Denver, CO, November, 2013. (Poster)
  32. K. Hara and I. D. Boyd, "Low Frequency Oscillation Analysis of a Hall Thruster Using a One-Dimensional Hybrid-Direct Kinetic Simulation", IEPC Paper 2013-266, 33rd International Electric Propulsion Conference, Washington DC, October, 2013.
  33. K. Hara and I. D. Boyd, "Analysis of Secondary Electron Emission of Dielectric Materials Using a Direct Kinetic Simulation", IEEE Pulsed Power and Plasma Science Conference (40th IEEE International Conference on Plasma Science) , San Francisco, CA, June, 2013.
  34. K. Hara, I. D. Boyd, and V. I. Kolobov, "Investigation of Presheath and Sheath Using a Full-Vlasov Simulation", 65th Annual Gaseous Electronics Conference, Austin, TX, October, 2012.
  35. K. Hara, I. D. Boyd, and V. I. Kolobov, "One-dimensional hybrid-Vlasov simulation of Hall thrusters", 48th AIAA Joint Propulsion Conference, Atlanta, GA, AIAA-2012-4313, August, 2012.
  36. S. Varadan, K. Hara, B. Van Leer, and E. Johnsen, "Development of Discontinuous Galerkin Method for Supersonic flows", 1st High-Order CFD Workshop, 50th AIAA Aerospace Sciences Meeting, Nashville, TN, January, 2012.
  37. K. Hara, S. Yokota, S. Cho, D. Takahashi, K. Komurasaki, and Y. Arakawa, "Boundary Conditions in a Hall thruster Ion Trajectory Simulation"(in Japanese), 41th Annual Meeting of Japan Society for Aeronautical and Space Sciences, Tokyo, Japan, April, 2010. (Awarded)
  38. Y. Fukushima, S. Yokota, D. Takahashi, K. Hara, S. Cho, K. Komurasaki, and Y. Arakawa, "Discharge Stabilization Method of an Anode Layer Type Hall Thruster by Non-uniform Propellant Flow", IEPC-2009- 148, the 31th International Electric Propulsion Conference, Ann Arbor, MI, September, 2009.
  39. S. Yokota, K. Hara, S. Cho, D. Takahashi, K. Komurasaki, and Y. Arakawa, "Measurement of Ion Number Density and Velocity Distribution in an Anode-layer Type Hall Thruster by Laser Induced Florescence Method", IEPC-2009-149, the 31th International Electric Propulsion Conference, Ann Arbor, MI, September, 2009.