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Hofbeck, I.J., Wirz, R.E.,
"Spatial Spectroscopy for Hall Thruster Plasma Characterization,"
IEPC-2025-630, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Lim, G., Levin, D.A.,
"Three-Dimensional High-Fidelity Particle Simulations of Gridded Ion Thruster Operation under Ground Testing Conditions,"
IEPC-2025-093, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Lipscomb, C.P., Boyd, I.D., Brick, D.G., Jorns, B.J.,
"Modeling Hall Thruster Plume Expansion in Vacuum Chamber and Space Environments,"
IEPC-2025-216, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Kim, A., Tran, H.,
"Reduced-Order Modeling for Sputtering of Monoatomic Materials by Noble Gas Bombardment,"
IEPC-2025-090, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Stasiukevicius, M.J., Boyd, I.D.,
"High Fidelity Hall Effect Thruster Plume Simulations with Facility Carbon Sputterant Tracking,"
IEPC-2025-510, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Allen, M.G., Cabrera, J., Butler-Craig, N., Hurley, W., Eckhaus, Ari, Walker, M., Jorns, B.,
"Comparison of the Response of a 9kW-Class Hall Effect Thruster to Facility Pressure Between Two Test Facilities,"
IEPC-2025-708, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Lemmer, K.M., Thomas, A.J., Huang, W., Goebel, D., Lobbia, R.B.,
"Recommended Practices for Design and Use of Retarding Potential Analyzers in Electric Propulsion,"
IEPC-2025-363, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Thomas, A., Lemmer, K., Thompson, S., Williams, J., Johnson, L.,
"Cross-Facility Comparison of Time-Resolved Ion Energy in the SPT-50 Hall Thruster,"
IEPC-2025-176, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Oh, B., Schok, A., McCullough, C., Hurley, W., Whittaker, C., Gill, T., Marks, T., Jorns, B.,
"Carbon Backsputter Mitigation with a Cusped Field Retarding Beam Dump,"
IEPC-2025-417, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Martelli, R., Williams, J.D., Thompson, S., Freestone, T., Farnell, C.,
"Characterization of a 600 A Barium Oxide-Based Hollow Cathode,"
IEPC-2025-706, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Thomas, A., Lemmer, K.,
"Impact of Hall Thruster Harness Impedance on Time-Resolved Ion Energy,"
IEPC-2025-068, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Stienike, J., Da Valle, M., Morasco, M., Thompson, S., Williams, J.D., Yalin, A.P.,
"Spatial Maps of Krypton Neutral Density in SPT-70 HET Plume by TALIF,"
IEPC-2025-218, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Hurley, W.J., McCarthy, L., Darrow, B., Oh, B., Gill, T., Jorns, B,
"Facility Modifications for High Power Hall thruster Testing,"
IEPC-2025-641, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Topham, T.J., Bergmann, S., Alves Almeida, A.C., Foster, J.E.,
"Impacts of Thruster Chassis Potential on Beam Neutralization at High-Power Densities,"
IEPC-2025-588, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Price, H., Thompson, S., Farnell, C.C., Farnell, C.C., Williams, J.D.,
"A Model of a Combined ESA and ExB Probe,"
IEPC-2025-711, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Denig, A.C., Hara, K.,
"3D Particle-in-Cell Modeling of E × B Discharge,"
IEPC-2025-492, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Brick, D.G., Roberts, P., Jorns, B.A.,
"Self-Consistent Implementation of Anomalous Transport Closures in a Hall Effect Thruster Model,"
IEPC-2025-361, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Yamashita, Y., Butler-Craig, N., Walker, M., Hara, K.,
"Electron Mobility Estimation of Hollow Cathode Plasma in Different Electrical Configurations,"
IEPC-2025-455, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025..
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Eckels, J.D., Gorodetsky, A.A., Lopez Ortega, A.,,
"Data-Driven Acceleration of Hall Thruster Simulations with a Sliding-Window Method,"
IEPC-2025-041, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Troyetsky, D.E., Bogel, E., Hara, K.,
"A Two-Dimensional Axial-Radial Full-Fluid Moment Model for Hall Effect Thrusters,"
IEPC-2025-382, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025..
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Lopez-Uricoechea, J., Butler-Craig, N., Lev, D., Walker, M.L.R.,
"Nondimensional Framework for a Hall Thruster Discharge and Facility Effects,"
IEPC-2025-201, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Yamashita, Y., Sharma, V., Hara, K.,
"Computational Modeling of Breakdown Process in RF Plasmas,"
IEPC-2025-410, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025..
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Rovey, J.L., Yamauchi, T., Huang, W., Thomas, R. E., Hurley, W. J., Farnell, S.C., Thompson, S.J., Farnell, C.C., Farnell, C.C., Brabston, W.P.,
"Recommended Practice for Use of ExB Probes in Electric Propulsion Testing,"
IEPC-2025-483, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Hara, K., Dwivedi, A., ,
"Estimation of Electron Dynamics Using Ensemble Kalman Filtering,"
IEPC-2025-674, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Cretel, C., Wirz, R.E.,
"Electric Propulsion Mission Life Prediction using a Multi-Fidelity Modeling Framework,"
IEPC-2025-585, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Hara, K., Zheng, A.X., Troyetsky, D.E., Cabrera, J.D., Walker, M.L.R., Thompson, S., Williams, J.D.,
"Plasma Impedance of Hall Effect Thrusters,"
IEPC-2025-675, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Obenchain, R.O., Wirz, R.E.,
"Neutral Drift and Transport in Ion and Hall Thruster Test Facilities,"
IEPC-2025-606, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Thompson, S.J., Hara, K., Cabrera, J., Walker, M., Williams, J.D.,
"Causality Study of Pressure Effects on Hall Thruster Telemetry,"
IEPC-2025-580, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Obenchain, R.A., Wirz, R.E.,
"Charge Exchange (CEX) Corrections for Electric Propulsion Facilities,"
IEPC-2025-609, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Hara, K., Chaplin, V.H., Johnson, L.K., Xu, G., Levin, D.,
"Recommended Practices in Electric Propulsion for Optical Emission Spectroscopy,"
IEPC-2025-XXX, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Wirz, R.E., et al.,
"Electric Propulsion Research Activities in the Plasma, Energy, & Space Propulsion Laboratory,"
IEPC-2025-661, 39th International Electric Propulsion Conference, Imperial College London, London, United Kingdom, September 14-19, 2025.
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Bhakyapaibul, T., Levin, D., Chew, H.B.,
"Molecular Dynamics Modeling of the Forces on [EMIM][BF4] Ion Emissions and Emission Rates Due to Applied Electric Fields,"
AIAA-2025-0296, 2025 SciTech, Orlando, FL, January 6-10, 2025..
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Butler-Craig, N., Lopez-Uricoechea, J., Lev, D., et al,
"Comparison of the Near-Field Electron Properties of a Magnetically-shielded Hall Effect Thruster in Various Electrical Configurations,"
AIAA-2025-1099, 2025 SciTech, Orlando, FL, January 6-10, 2025.
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Lim, G., Chew, H.B., Levin, D., Tran, H.,
"Sticking Coefficient Effects on the Carbon Deposition Rates in an Electric Propulsion Testing Chamber,"
AIAA-2025-1101, 2025 SciTech, Orlando, FL, January 6-10, 2025.
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Thomas, A., Lemmer, K., Johnson, L.,
"Time-Resolved Ion Energy Measurements in the SPT-50 Hall Effect Thruster,"
AIAA-2025-0909, 2025 SciTech, Orlando, FL, January 6-10, 2025.
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Brick, D., Roberts, P., Jorns, B.,
"Numerical Investigation of Electron Energy Transport in Hall Thrusters,"
AIAA-2025-0298, 2025 SciTech, Orlando, FL, January 6-10, 2025.
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Blanchard, V., Qureshi, J., Yamamoto, N., Yalin, A.,
"Laser Thomson Scattering Measurements in Low Density Pulsed Argon Plasma,"
AIAA-2025-1294, 2025 SciTech, Orlando, FL, January 6-10, 2025.
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Franze, L.K., Wirz, R.E.,
"Xe-C Scattering, Implantation, and Sputtering Analysis for EP Systems,"
IEPC-2024-552, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Sabiston, G., Wirz, R.E.,
"Electric Propulsion Vacuum Chamber Design Approaches for Reducing Sputtering Effects,"
IEPC-2024-187, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Cowan, R.W., Biswas, S., Franz, L.K., Cretel, C., Obenchain, R.A., Wirz, R.E.,
"Hall Thruster Krypton Sputtering Effects on Vacuum Facility Materials,"
IEPC-2024-549, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Biswas, S., Obenchain, R.A., Cowan, R.W., Wirz, R.E.,
"Review of PMI data for HET-Induced Erosion of Facility Surfaces,"
IEPC-2024-532, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Thomas, A., Lemmer, K., Cabera, J., Walker, M., Topham, T., Foster, J.,
"High-Speed Far-Field Energy Measurements in a 9-kW Hall Effect Thruster for Model Inference and Calibration,"
IEPC-2024-459, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Taghizadeh, E., Obenchain, R.A., Franz, L.K., Wirz, R.E.,
"Electric Propulsion Facility Optimization via Reduced Order Modeling,"
IEPC-2024-588, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Cabrera, J., Jovel, D., Walker, M.,
"Pressure Facility Effects on the Impedance Characteristics of a 9-kW HET,"
IEPC-2024-808, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Eckels, J., Marks, T., Aksoy, D., Vutukury, S., Gorodetsky. A.,
"Dynamic Mode Decomposition for Particle-In-Cell of a Hall Thruster and Plume,"
IEPC-2024-412, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Nishii, K., Levin, D.,
"Numerical Study of Facility Effects on Gridded Ion Thrusters through a Multi-GPU PIC-DSMC Solver,"
IEPC-2024-323, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28, 2024.
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Suzuki, S., Hara K.,
"Elastic Electron-Neutral Collision Effect on Cross-Field Electron Transport,"
IEPC-2024-541, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Hara K.,
"Data Assimilation Techniques for Plasma Dynamics and Chemistry for Electric Propulsion System,"
IEPC-2024-710, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Roberts, P. J., Allen, M. G., Brick, D. G., Jorns, B. A.,
"Empirical Closures for Momentum and Energy Transport in Hall Thrusters based on Thomson Scattering Measurements,"
IEPC-2024-393, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Hara K., Zivre T., Yamashita, Y., Troyetsky, D. E., Jovel, D., Cabrera, J., Walker, M.,
"Model Based Extrapolation of Hall Thruster Electrical Impedance Between Test Facilities,"
IEPC-2024-711, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Denig A., Hara K.,
"Partially Magnetized Plasma Instabilities in a Three-Dimensional Particle-In-Cell Simulation,"
IEPC-2024-852, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Brick, D.G., Jorns, B. A.,
"Model Based Investigation of Anomalous Energy Transport in a Magnetically-Shielded Hall Thruster,"
IEPC-2024-411, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Oh B., Hurley W., Zoppi G., May C., Whittaker C., Jorns B.A.,
"Carbon Backsputter Mitigation with a Retarding Beam Dump,"
IEPC-2024-504, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Allen, M., Roberts, P., Jorns, B.,
"Direct Measurements of the Pressure Dependence of the Electron Temperature in a Magnetically Shielded Hall Thruster,"
IEPC-2024-821, 38th International Electric Propulsion Conference, Toulouse, France, June 23-28,2024.
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Allen, M., Marks, T., Eckels, J., Gorodetsky, A., Jorns, B.,
"Optimal Experimental Design for Inferring Anomalous Electron Transport in a Hall Thruster,"
AIAA-2024-2164, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Cretel, C., Wirz, R.E.,
"Ion Optics Model for Rapid Assessment of Gridded Ion Thruster Performance and Life,"
AIAA-2024-1550, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Jovel, D., Walker, M.,
"Current Pathways Model for Hall Thruster Plumes in Ground-based Vacuum Test Facilities,"
AIAA-2024-2365, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Antozzi S., Gottfried J., Williams, J., Yalin A.,
"Cavity Ring-Down Spectroscopy (CRDS) Measurements of Barium Emitted from a Hollow Cathode,"
AIAA-2024-0922, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Thompson, S., Garman, J., Robertson, Z. et al ,
"Methods for Mitigating Backsputter in Electric Propulsion Test Facilities I: Beam Halter Concept and Design,"
AIAA-2024-2367, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Hurley, W., Hortrop, C., Whittaker, C., et al,
"Methods for Mitigating Backsputter in Electric Propulsion Test Facilities II: Beam Halter Demonstration during Hall Thruster Testing,"
AIAA-2024-2368, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Sabiston, G., Wirz, R.E.,
"Thrust Densification of Space Electric Propulsion Systems via Volumetrically Complex Materials,"
AIAA-2024-1136, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Roberts, P. J., Jorns, B.A.,
"Inferring Electron Heat Flux in a High-Power Hall Thruster with Incoherent Thomson Scattering,"
AIAA-2024-1957, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Obenchain R., Wirz R.,
"Neutral Ingestion Compensation for Gridded Ion Thrusters via Modeling and Analysis,"
AIAA-2024-1548, 2024 SciTech, Orlando, FL, January 8-12, 2024.
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Su L., Gill T.M., Roberts P.J., et al,
"Operation and Performance of a Magnetically Shielded Hall Thruster at Ultrahigh Current Densities on Xenon and Krypton,"
AIAA SciTech - 2023-0842, National Harbor, MD, January 23-27, 2023.
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Mansour A.R., Hara K.,
"Axisymmetric Full-Fluid Moment Model for Cylindrical Plasmas,"
IEPC-2022-390, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Tran H., Chew H.B.,
"Quantifying the Sputtering Response of Graphitic Structures with Molecular Dynamics Simulations,"
IEPC-2022-592, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Clark S., *Tompkins J., *Nishii K., et al,
"Development of Isotopic Carbon Labelling Diagnostic for Electric Propulsion,"
IEPC-2022-163, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Wegner, T., Dumitrache, C., Yalin, A.,
"Rate-Equation Modeling of Xe and Kr TALIF for Electric Propulsion Applications,"
IEPC-2022-298, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Thomas A., Watts H., Lemmer K.,,
"Development and Initial Testing of a Plasma Confinement Cage,"
IEPC-2022-160, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Byrne M., Roberts P., Jorns B.,
"Coupling of Electrical and Pressure Facility Effects in Hall Effect Thruster Testing,"
IEPC-2022-377, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Wirz R., Gorodetsky A., Jorns B., Walker M.,
"Predictive Engineering Modeling for Life and Performance Assessment of Electric Propulsion Systems,"
IEPC-2022-410, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Obenchain R., Wirz R.,
"Ion Thruster Facility Effects Characterization via Computational Analysis,"
IEPC-2022-264, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Nishii K., Levin D., Clark S., Tompkins J., Nuwal N., Rovey J.,
"Numerical Simulation of Carbon Sputtering for Electric Propulsion in the Ground Facility,"
IEPC-2022-379, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Troyetsky D.E., Greve C.M., Hara K.,
"State Estimation for Real-Time Analysis of Dynamic Plasma Properties and Electrical Circuit Effects in Hall Effect Thrusters,"
IEPC-2022-323, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Hara K., Denig A.C., Mansour A.R., Tsikata S.,
"Fluid and Kinetic Plasma Instabilities in Hall Effect Thrusters,"
IEPC-2022-333, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Greve C.M., Troyetsky D.E., Hara K.,
"Real-Time Estimation of Electron Mobility in Hall Effect Thruster Models,"
IEPC-2022-342, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Denig A.C. Hara K.,
"Kinetic Model of Plasma Sheath Near a Dielectric-Coated Metal Wall,"
IEPC-2022-345, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.
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Walker M.,
"Overview of the Joint AdvaNced PropUlsion InStitute (JANUS),"
IEPC-2022-156, 37th International Electric Propulsion Conference, Boston, Massachusetts, June 19-23, 2022.