Embedded Files
Journal Articles
Journal Articles
J. Bak, R. Kawashima, "Is anomalous electron cross-field transport always detrimental?: Potential applications of deliberately enhanced transport in Hall thrusters," Journal of Electric Propulsion, Vol. 4, 7, 2025. [Journal]
D. Satpathy, H. Sekine, N. Barth, R. Kawashima, K. Komurasaki, H. Koizumi, "Experimental investigation on ionization length required for efficient operation of argon Hall thrusters," Transactions of the JSASS, Vol. 68, pp. 12−18, 2025. [Journal]
R. Kameyama, R. Kawashima, T. Inamori, "Effects of Satellite Body on Magnetic Plasma Orbit Control for Nanosatellites," Frontier of Applied Plasma Technology, Vol. 17, pp. 38–41, 2024. [arXiv]
D. Satpathy, H. Sekine, J. Lee, K. Komurasaki, R. Kawashima, H. Koizumi, "Influence of propellant injection directionality on the performance of an argon Hall thruster," Journal of Applied Physics, Vol. 136, 233301, 2024. [Journal]
K. Tabata, Y. Oda, K. Komurasaki, A. Manabe, R. Kawashima, "Non-equilibrium aerodynamics between ionization-wave and shock-wave fronts in millimetre-wave supported detonation," Japanese Journal of Applied Physics, Vol. 62, 116001, 2023. [Journal]
R. Kawashima, "Sheath Analysis of Conducting Channel Walls in Anode-Layer Hall Thruster with Acceleration Zone Shifted Downstream," Frontier of Applied Plasma Technology, Vol. 16, pp. 1-6, 2023. [arXiv]
D. Satpathy, S. Kawabata, H. Sekine, R. Kawashima, K. Komurasaki, H. Koizumi, "Investigation of correlation between thrust and anode temperature during transient operation of RAIJIN-66," Journal of Electric Propulsion, Vol. 2, 5, 2023. [Journal]
R. Kawashima, Y. Hamada, S. Kawabata, K. Komurasaki, H. Koizumi, "Wall Ion Loss Reduction by Acceleration Zone Shifting in Anode-Layer Hall Thruster," Journal of Propulsion and Power, Vol. 38, No. 3, pp. 489−493, 2022. [Journal] [arXiv]
J. Bak, R. Kawashima, G. Romanelli, K. Komurasaki, "Plasma structure and electron cross-field transport induced by azimuthal manipulation of the radial magnetic field in a Hall thruster ExB discharge," Journal of Applied Physics, Vol. 131, 053302, 2022. [Journal]
G. Ito, R. Kawashima, K. Komurasaki, H. Koizumi, "Method of Suppressing Ingestion Particles Flowing Back to a Hall Thruster using Beam Target during Ground Testing," Trans. Japan Soc. Aero. Space Sci., accepted.
S. Tanaka, N. Tanaka, K. Komurasaki, R. Kawashima, H. Koizumi, "Aluminum particle production on alumina rod surface by continuous-wave laser ablation," Materials Chemistry and Physics, Vol. 278, No. 15, 125557, 2022. [Journal]
Z. Wang, R. Kawashima, K. Komurasaki, "A fast convergence fourth-order Vlasov model for Hall thruster ionization oscillation analyses," Plasma Science and Technology, Vol. 24, 025502, 2022. [Journal]
J. Bak, R. Kawashima, J. Simmonds, K. Komurasaki, "Evolution of electron cross-field transport induced by an equilibrium azimuthal electric field in an ExB Hall thruster discharge under an azimuthally inhomogeneous neutral supply," Physics of Plasmas, Vol. 28, 102510, 2021. [Journal]
R. Kawashima, K. Komurasaki, "Two-dimensional hybrid model of gradient drift instability and enhanced electron transport in a Hall thruster," Physics of Plasmas, Vol. 28, 063502, 2021. [Journal] [arXiv]
Y. Hamada, R. Kawashima, J. Bak, K. Komurasaki, H. Koizumi, "Characterization of Acceleration Zone Shifting in an Anode-Layer-Type Hall Thruster RAIJIN66," Vacuum, Vol. 186, 110040, 2021. [Journal]
G. Ito, R. Kawashima, K. Komurasaki, H. Koizumi, "Incident angle dependence of reflected particles in low-energy xenon-ion impacts on metal surfaces," Computational Materials Science, Vol. 186, 109989, 2020. [Journal]
J. Bak, B. Van Loo, R. Kawashima, K. Komurasaki, "Discharge characteristics and increased electron current during azimuthally nonuniform propellant supply in an anode layer Hall thruster," Journal of Applied Physics, Vol. 128, 023302, 2020. [Journal]
J. Bak, R. Kawashima, K. Komurasaki, H. Koizumi, "Plasma formation and cross-field electron transport induced by azimuthal neutral inhomogeneity in an anode layer Hall thruster," Physics of Plasmas, Vol. 26, 073505, 2019. [Journal]
G. Ito, R. Kawashima, K. Komurasaki, H. Koizumi, "Inflow angular dependence of the capture coefficient in cryopumps," Vacuum, Vol. 160, pp. 102-108, 2019. [Journal]
T. Inamori, S. Ikari, T. Ito, R. Kawashima, "Interplanetary Magnetic Attitude Control Based on an IMF Kalman filter in Small Spacecraft," IEEE Transactions on Aerospace and Electronic Systems, Vol. 55, No. 6, pp. 2674-2686, 2019. [Journal]
S. Tanaka, S. Yamada, R. Soga, K. Komurasaki, R. Kawashima, H. Koizumi, "Alumina reduction by laser ablation using a continuous-wave CO2 laser toward lunar resource utilization," Vacuum, Vol. 167, pp. 495-499, 2019. [Journal]
R. Kawashima, J. Bak, S. Matsuzawa, T. Inamori, "Particle Simulation of Plasma Drag Force Generation in the Magnetic Plasma Deorbit," Journal of Spacecraft and Rockets, Vol. 55, No. 5, pp. 1074-1082, 2018. [Journal] [arXiv]
S. A. Ch., K. Komurasaki, R. Kawashima, "High-order upwind and non-oscillatory approach for steady state diffusion, advection-diffusion and application to magnetized electrons," Journal of Computational Physics, Vol. 371, pp. 1120-1151, 2018. [Journal]
R. Kawashima, J. Bak, K. Komurasaki, H. Koizumi, "Two-dimensional Modeling of the Hall Thruster Discharge with Nonuniform Propellant Supply in Azimuth," Frontier of Applied Plasma Technology, Vol. 11, No. 1, pp. 7-12, 2018. [arXiv]
R. Kawashima, K. Hara, K. Komurasaki, "Numerical analysis of azimuthal rotating spokes in a crossed-field discharge plasma," Plasma Sources Science and Technology, Vol. 27, 035010, 2018. [Journal] [arXiv]
S. Yamada, S. Tanaka, K. Komurasaki, R. Kawashima, H. Koizumi, "Characterization of Reduction Products Generated by Laser Ablation of Alumina," Journal of IAPS, Vol. 26, No. 1, pp. 33-38, 2018.
K. Miyata, R. Kawashima, T. Inamori, "Detailed Analysis of Aerodynamic Effect on Small Satellites," Trans. Japan Soc. Aero. Space Sci., Aerosp. Technol. Japan, Vol. 16, No. 5, pp. 432-440, 2018. [Journal]
Y. Hamada, J. Bak, R. Kawashima, et al., "Hall Thruster Development for Japanese Space Propulsion Programs," Trans. Japan Soc. Aero. Space Sci., Vol. 60, No. 5, pp. 320-326, 2017. [Journal]
R. Kawashima, K. Komurasaki, T. Schönherr, "A flux-splitting method for hyperbolic-equation system of magnetized electron fluids in quasi-neutral plasmas," Journal of Computational Physics, Vol. 310, pp. 202-212, 2016. [Journal] [arXiv]
T. Inamori, R. Kawashima, P. Saisutjarit, N. Sako, H. Ohsaki, "Magnetic plasma de-orbit system for nano- and micro-satellites using magnetic torquer interference with space plasma in low Earth orbit," Acta Astronautica, Vol. 112, pp. 192-199, 2015. [Journal]
R. Kawashima, K. Komurasaki, T. Schönherr, "A hyperbolic-equation system approach for magnetized electron fluids in quasi-neutral plasmas," Journal of Computational Physics, Vol. 284, pp. 59-69, 2015. [Journal] [arXiv]
D. Fujita, R. Kawashima, Y. Ito, et al., "Operating parameters and oscillation characteristics of an anode-layer Hall thruster with argon propellant," Vacuum, Vol. 110, pp. 159-164, 2014. [Journal]
R. Kawashima, H. Kitami, M. Miyashita, T. Sakemi, Y. Arakawa, "Two-Dimensional Modeling of Magnetized Plasma Flow for Development of Reactive Plasma Deposition Equipment," Frontier of Applied Plasma Technology, Vol. 5-2, pp. 83-88, 2012.
T. Schönherr, K. Komurasaki, R. Kawashima, Y. Arakawa, G. Herdrich, "Effect of Capacitance on Discharge Behavior of Pulsed Plasma Thruster," Journal of IAPS, Vol. 18, No. 1, pp. 23-28, 2010.
Journal Articles in Japanese
Journal Articles in Japanese
A. Manabe, H. Britz, F. Gutierrez, A. van de Wetering, T. Kinoshita, K. Komurasaki, R. Kawashima, H. Sekine, H. Koizumi, "Numerical Analysis on Multi-Cycle Operation of Microwave Rocket with Reed Valve Air-Breathing System," Journal of the Japan Society for Aeronautical and Space Sciences, Vol. 72-2, pp. 29-40, 2024. [Journal].
M. Fujiwara, T. Inamori, R. Kawashima, S. Matsuzawa, "Nano-satellite Formation Keeping Using Magnetic Torquer-induced Differential Plasma Force," Journal of the Japan Society for Aeronautical and Space Sciences, Vol. 68-5, pp. 173-180, 2020. [Journal]
S. Yamada, S. Tanaka, K. Komurasaki, R. Kawashima, H. Koizumi, "Characterization of Redution Products Generated by Laser Ablation of Alumina," Applied Plasma Science: Journal of IAPS, Vol. 26-1, pp. 33-38, 2018.
J. Bak, R. Kawashima, M. Mizukawa, K. Komurasaki, H. Koizumi, "Plasma Properties in a Hall Thruster with Azimuthal Non-Uniform Propellant Supply," Applied Plasma Science: Journal of IAPS, Vol. 25-1, pp. 9-14, 2017. [Journal]
K. Komurasaki, R. Kawashima, "Collaborative Development of 5-kW Class RAIJIN Hall Thruster," Aeronautical and Space Sciences Japan, Vol. 65-11, pp. 348-353, 2017. [Journal]
M. Mizukawa, J. Bak, Y. Hamada, K. Komurasaki, R. Kawashima, H. Koizumi, "Suppression of Plume Divergence in Anode Layer Type Hall Thruster with Magnetic Shielding by Improvement of Magnetic Field Topology in Channel," Applied Plasma Science: Journal of IAPS, Vol. 24-1, pp. 3-8, 2016.
M. Hosoda, S. Cho, R. Kawashima, et al., "Measurement of Erosion Rate of BN Used in Multilayer Coating Method and Determination of the Calibration Factor for the Difference," Frontier of Plasma Science, Vol. 20-2, pp. 126-129, 2012.
R. Kawashima, T. Schönherr, K. Komurasaki, Y. Arakawa, "Discharge Phenomena of a Multi-Capacitor Pulsed Plasma Thruster," Applied Plasma Science, Vol. 19-1, pp. 60-63, 2011.
International Conference
International Conference
A. Furuya, R. Kawashima, J. Bak, "Two-dimensional Electron Transport Analysis of an Anode-layer Hall Thruster with Chevron Anode," 35th International Symposium on Space Technology and Science, Tokushima, Japan, July 12-18, 2025.
D. Sudo, K. Ishizaki, N. Sakamoto, H. Osawa, R. Kameyama, "Magnetic Field Characteristics and Plasma Generation in a Coil-Separated Hall Thruster," 35th International Symposium on Space Technology and Science, Tokushima, Japan, July 12-18, 2025.
R. Kawashima, R. Kameyama, T. Inamori, "Potential Barrier Formation by Emitted Electrons for Drag Force Generation on Nanosatellites," IAPS Meeting 2025, Phuket, Thailand, Mar. 28-31, 2025.
R. Kawashima, "Coupled Plasma Simulation for Multi-Dimensional Characteristics in Hall Thrusters," 12th Asian Joint Conference on Propulsion and Power, Xi'an, China, Mar 19-21, 2025. (invited talk)
K. Ishizaki, M. Narita, D. Sudo, R. Kawashima, "High-Power-Density Operation in Coil-Separated Hall Thruster for Efficient Argon Utilization," 14th International Symposium on Applied Plasma Science, Shiga, Japan, Sept. 24-28, 2024.
C. Saka, A. Furuya, K. Ishizaki, R. Kawashima, D. Satpathy, K. Komurasaki, "Ablative Propellant Direct Supply in a Hall Thruster Discharge Channel," 38th International Electric Propulsion Conference, IEPC-2024-635, Toulouse, France, June 23-28, 2024.
D. Satpathy, H. Sekine, J. Lee, K. Komurasaki, R. Kawashima, H. Koizumi, "Propellant Utilization Efficiency of an Argon Hall thruster with Swirl Injection," 38th International Electric Propulsion Conference, IEPC-2024-376, Toulouse, France, June 23-28, 2024.
J. Bak, R. Kawashima, "Is anomalous electron cross-field transport always detrimental?: Potential applications of deliberately enhanced transport in Hall thrusters," 38th International Electric Propulsion Conference, IEPC-2024-524, Toulouse, France, June 23-28, 2024.
R. Kawashima, "Control of Gradient Drift Instability and Electron Transport by Artificial Disturbances in Hall Thrusters," 38th International Electric Propulsion Conference, IEPC-2024-547, Toulouse, France, June 23-28, 2024.
R. Kawashima, "Electron Transport Enhancement by Artificial Disturbance in Near-Anode Region of Hall Thruster," 31st Annual Meeting of IAPS, Yokohama, Japan, Mar. 22-24, 2024.
R. Kameyama, R. Kawashima, T. Inamori, "Drag Force Augmentation of Magnetic Plasma Deorbit Method for Nanosatellites," 31st Annual Meeting of IAPS, Yokohama, Japan, Mar. 22-24, 2024.
R. Kawashima, "Numerical Analysis of the Gradient Drift Instability and its Control in Hall Thruster Plasmas," AAPPS-DPP2023, Nagoya, Japan, Nov. 12-17, 2023. (invited talk)
R. Kawashima, "Extracting Electron Transport Property Enhanced by Gradient Drift Instability in Hall Thruster," 30th Annual Meeting of IAPS, Kobe, Japan, Mar. 31-Apr. 1, 2023.
R. Kawashima, J. Bak, K. Komurasaki, "Anatomy of cross-field electron transport by steady and unsteady plasma structures in Hall thrusters," 75th Gaseous Electronics Conference, Sendai, Japan, Oct. 3-7, 2022. (invited talk)
R. Kawashima, "Control of Plasma Instabilities and Anomalous Electron Transport in a Hall Thruster," Advances in Applied Plasma Science, Vol. 13, pp. 1-4, 2022.
R. Kawashima, K. Komurasaki, "Hybrid kinetic-fluid simulations of Hall thruster plasma dynamics," 32nd International Symposium on Rarefied Gas Dynamics, Seoul, Korea, July 4-8, 2022. (invited talk)
J. Bak, R. Kawashima, K. Komurasaki, "Plasma formation and electron cross-field transport in the axial-azimuthal plane of a Hall thruster," 37th International Electric Propulsion Conference, IEPC-2022-298, Cambridge, MA, June 19-23, 2022.
D. Satpathy, S. Kawabata, H. Sekine, R. Kawashima, K. Komurasaki, H. Koizumi, "Performance Investigation of a Thruster with Anode Layer based on Anode Temperature Change," 37th International Electric Propulsion Conference, IEPC-2022-332, Cambridge, MA, June 19-23, 2022.
R. Kawashima, K. Komurasaki, "Hybrid-PIC Simulation of Gradient Drift Instabilities in Hall Thrusters for Electron Transport Analysis," 37th International Electric Propulsion Conference, IEPC-2022-370, Cambridge, MA, June 19-23, 2022.
Domestic Conference
Domestic Conference
川嶋嶺, ExBプラズマに現れる歪対称行列を係数に持つ拡散方程式への数値解法, 2024年度宇宙輸送シンポジウム, 相模原, STEP-2024-049, 2025.
古谷晶, 川嶋嶺, 朴俊輝, 鋸状陽極を持つホールスラスタの2次元電子輸送解析, 第68回宇宙科学技術連合講演会, アクリエひめじ, 2024
須藤大輔, 石崎航太, 坂本直樹, 大澤隼風, 川嶋嶺, コイル分離型ホールスラスタの磁場特性評価とプラズマ生成, 第68回宇宙科学技術連合講演会, アクリエひめじ, 2024
サトパスィディヴィエシュ, 関根北斗, 李志元, 小紫公也, 川嶋 嶺, 小泉宏之, 2023年度宇宙輸送シンポジウム, 相模原, 2024.
P. Ji Hyun, 稲守孝哉, 宇佐見海渡, 吉川英儀, 山口皓平, 川嶋 嶺, "Patched bang-bang control for spacecraft attitude stabilization during magnetic plasma drag in-orbit demonstration," 第67回宇宙科学技術連合講演会, 富山, 2023.
川嶋嶺，プラズマ源における磁化された電子の偏微分方程式と解法，九州大学マス・フォア・インダストリ研究所短期共同研究，九州大学，2023.
Award and Grant
Award and Grant
Kakenhi Grant-in-Aid for Scientific Research (B) "Electron Transport Enhancement and Suppression in Hall Thruster by Artificial Disturbances," Japan Society for Promotion of Science, 2024.
Kakenhi Grant-in-Aid for Challenging Research (Exploratory) "Development of an Ablative Propellant Hall Thruster," Japan Society for Promotion of Science, 2023.
Short-term Cooperative Research, "Mathematical model and numerical schemes for industrial applications of rarefied plasma analysis," Kyushu Univ. IMI Cooperative Research, 2023.
Young Researcher Presentation Award, 61th Aerospace Propulsion and Power Conference, 2022.
Student Presentation Award (A. Manabe), 61th Aerospace Propulsion and Power Conference, 2022.
Encouragement Award (M. Fujiwara), JSASS, "Nano-satellite Formation Keeping Using Magnetic Torquer-induced Differential Plasma Force," 2022.
Student Presentation Award (D. Takasaki), 65th Space Sciences and Technology Conference, 2021.
Student Presentation Award (S. Kawabata), 65th Space Sciences and Technology Conference, 2021.
Research Grant, The Foundation for The Promotion of Ion Engineering, 2021.
Kakenhi Grant-in-Aid for Scientific Research (B) (Co-Investigator), Japan Society for Promotion of Science, 2021.
Kakenhi Grant-in-Aid for Scientific Research (B) "Hall Thruster Digital Twin Creation and Electron Anomalous Transport Control," Japan Society for Promotion of Science, 2020.
Best Paper Award, 12th International Symposium on Applied Plasma Science, 2019.
Poster Award (First author: Yushi Hamada), 12th International Symposium on Applied Plasma Science, 2019.
Poster Presentation Award (First author: Junhwi Bak), 2nd Asia-Pacific Conference on Plasma Physics, 2018.
Student Presentation Award (S. Tanaka), 62th Space Sciences and Technology Conference, 2018.
Kakenhi Grant-in-Aid for Young Scientists (B) "Hall Thruster Discharge Stabilization by Artificial Disturbances," Japan Society for Promotion of Science, 2017.
Travel Support for International Conference, Society for Promotion of Space Science, 2016.
Travel Support for International Conference, Society for Promotion of Space Science, 2015. (Declined)
Best Poster Award First Prize, ISTS/IEPC/NSAT Joint Conference, 2015.
Student Presentation Award, 45th Annual Meeting of JSASS, 2014.
Grant-in-Aid for JSPS Fellows, Japan Society for Promotion of Science, 2012.
Past Conference Presentations (~ 2022)
Past Conference Presentations (~ 2022)
International Conference
International Conference
R. Kawashima, Z. Wang, S. Kawabata, K. Komurasaki, "Sheath Analysis of Conducting Channel Walls in an Anode-Layer Hall Thruster," Plasma Application and Hybrid Functionally Materials, Vol. 30, 2021.
R. Kawashima, Y. Hamada, J. Bak, K. Komurasaki, H. Koizumi, "Measured Ionization and Acceleration Zones in an Anode Layer Type Hall Thruster RAIJIN66," 10th Asian Joint Conference on Propulsion and Power, Online, Mar. 3-5, 2021.
R. Kawashima, Z. Wang, K. Komurasaki, "Hybrid Vlasov-Fluid Model with High-Order Schemes for Partially Ionized Plasma Flows," 2021 AIAA SciTech Forum, Virtual Event, Jan. 11-21, 2021. [Conference]
J. Bak, R. Kawashima, G. Romanelli, K. Komurasaki, "Influence of manipulation of electron streamlines on plasma formation and electron cross-field transport in ExB plasma," 4th Asia-Pacific Conference on Plasma Physics, Online, Oct. 26-31, 2020.
J. Bak, R. Kawashima, K. Komurasaki, "Spatiotemporal characteristics of plasma structure induced by manipulation of electron cross-field transport in a Hall thruster," 73rd Gaseous Electronics Conference, Online, Oct. 5-9, 2020.
R. Kawashima, Z. Wang, S. Kawabata, K. Komurasaki, "Numerical Analysis of Channel Wall Sheath Thickness in an Anode-Layer Hall Thruster," Plasma Application and Hybrid Functionally Materials, Vol. 29, pp. 11-12, 2020.
R. Kawashima, Y. Hamada, J. Bak, K. Komurasaki, "Hybrid PIC Simulation of a Thruster with Anode Layer with Self-Consistent Electron Transport Model," Advances in Applied Plasma Science, Vol. 12, pp. 9-12, 2019.
Y. Hamada, J. Bak, R. Kawashima, K. Komurasaki, H. Koizumi, "Ionization zone shifting downstream at high propellant flow density in RAIJIN66," 12th International Symposium on Applied Plasma Science, P-II-1, 2019.
J. Chen, R. Kawashima, K. Komurasaki, "Study on the Sputtering Mechanism of Keeper Electrodes in Hall Thruster," 36th International Electric Propulsion Conference, Vienna, Austria, Sept. 15-20, 2019. [Conference]
G. Ito, R. Kawashima, K. Komurasaki, H. Koizumi, "Study of Xenon Wall Accommodation Model and Background Flow during Hall Thruster Ground Test," 36th International Electric Propulsion Conference, Vienna, Austria, Sept. 15-20, 2019. [Conference]
J. Bak, B. Van Loo, R. Kawashima, K. Komurasaki, H. Koizumi, "Electron cross-field transport mechanism observed under the azimuthally inhomogeneous neutral supply in a Hall thruster," 36th International Electric Propulsion Conference, Vienna, Austria, Sept. 15-20, 2019. [Conference]
R. Kawashima, J. Bak, Y. Hamada, B. Van Loo, H. Koizumi, K. Komurasaki, "Coupled Simulation of Two-Dimensional Hybrid Hall Thruster Models," 36th International Electric Propulsion Conference, Vienna, Austria, Sept. 15-20, 2019. [Conference]
J. Bak, R. Kawashima, K. Komurasaki, H. Koizumi, "Study on electron cross-field drift by an azimuthal electric-field in Hall thrusters: from plasma density and potential structures," XXXIV ICPIG, Sapporo, Japan, July 14-19, 2019.
Y. Hamada, J. Bak, R. Kawashima, K. Komurasaki, H. Koizumi, "Plasma Diagnosis of RAIJIN66 Thruster" 32nd International Symposium on Space Technology and Science, Fukui, Japan, June 15-21, 2019.
S. Yamada, S. Tanaka, K. Komurasaki, R. Kawashima, H. Koizumi, "Aluminum Collection at Close Range from Laser Ablated Alumina toward Aluminum Smelting from Lunar Regolith" 32nd International Symposium on Space Technology and Science, Fukui, Japan, June 15-21, 2019.
K. Miyata, R. Kawashima, T. Inamori, "Aerodynamic Coefficient Identification of Small Satellites" 32nd International Symposium on Space Technology and Science, Fukui, Japan, June 15-21, 2019.
R. Kawashima, Y. Hamada, J. Bak, B. Van Loo, K. Komurasaki, H. Koizumi, "Two-Dimensional Hybrid Models of the Plasma Discharge in an Anode-Layer Hall Thruster" 32nd International Symposium on Space Technology and Science, Fukui, Japan, June 15-21, 2019.
J. Bak, R. Kawashima, B. Van Loo, K. Komurasaki, H. Koizumi, "Investigation of Electron Cross-field Transport in Hall Thrusters with Inhomogeneity of Plasma Density and Potential in Azimuth," 2nd Asia-Pacific Conference on Plasma Physics, Kanazawa, Japan, Nov. 12-17, 2018.
G. Ito, R. Kawashima, K. Komurasaki, H. Koizumi, "Inflow Angular Dependency on Cryopump and Beam Target in Hall Thruster Test Facility," 2018 Joint Propulsion Conference, Cincinnati, Ohio, July 9-11, 2018. [Conference]
J. Bak, R. Kawashima, K. Komurasaki, H. Koizumi, "Effect of Density Inhomogeneity in Azimuth on Discharge Oscillation Suppression and Electron Diffusion in Hall Thrusters," 2018 Joint Propulsion Conference, Cincinnati, Ohio, July 9-11, 2018. [Conference]
S. Tanaka, S. Yamada, K. Komurasaki, M. Matsui, H. Koizumi, R. Kawashima, "Alumina Reduction by Laser Ablation Using a Continuous-Wave CO2 Laser Toward Aluminum Energy Cycle," 2018 International Energy Conversion Engineering Conference, Cincinnati, Ohio, July 9-11, 2018. [Conference]
Z. Wang, S. Chamarthi, R. Kawashima, K. Komurasaki, H. Koizumi, "A One-dimensional Hybrid Particle-Fluid Simulation with Electron Inertia in a Hall Effect Thruster," Asian Joint Conference on Propulsion and Power 2018, Xiamen, China, Mar. 14-17, 2018.
K. Tabata, N. Florian, Y. Harada, Y. Nakamura, K. Komurasaki, R. Kawashima, H. Koizumi, "Key Technologies for Microwave Rocket," Asian Joint Conference on Propulsion and Power 2018, Xiamen, China, Mar. 14-17, 2018.
R. Kawashima, J. Bak, K. Komurasaki, H. Koizumi, "Two-dimensional Hybrid Model of a Hall Thruster with Non-uniform Propellant Supply," Plasma Application and Hybrid Functionally Materials, Vol. 27, pp. 17-18, 2018.
R. Kawashima, Z. Wang, S. Chamarthi, H. Koizumi, K. Komurasaki, "Hyperbolic System Approach for Magnetized Electron Fluids in ExB Discharge Plasmas," 2018 AIAA Aerospace Sciences Meeting, Kissimmee, FL, Jan. 8-12, 2018. [Conference]
S. Chamarthi, Z. Wang, R. Kawashima, K. Komurasaki, "Weighted Nonlinear Schemes for Magnetized Electron Fluid in Quasi-neutral Plasma," 2018 AIAA Aerospace Sciences Meeting, Kissimmee, FL, Jan. 8-12, 2018. [Conference]
K. Hara, R. Kawashima, "Low-frequency ionization oscillations due to azimuthally rotating spokes in cross-field configurations," 70th Annual Gaseous Electronics Conference, Pittsburgh, PA, Nov. 6-10, 2017. [Conference]
R. Kawashima, J. Bak, K. Komurasaki, H. Koizumi, K. Hara, "Effects of Azimuthal Non-uniformity on the Hall Thruster Discharge," 35th International Electric Propulsion Conference, Atlanta, GA, Oct. 8-12, 2017. [Conference]
Y. Hamada, R. Kawashima, K. Komurasaki, N. Yamamoto, H. Tahara, T. Miyasaka, "Development Status of 5 kW Class Anode-layer Type Hall Thruster: RAIJIN94," 35th International Electric Propulsion Conference, Atlanta, GA, Oct. 8-12, 2017. [Conference]
Y. Hamada, R. Kawashima, J. Bak, S. Chamarthi, Z. Wang, G. Ito, M. Mizukawa, "Refillable Electric Propulsion with In-situ Produced Fuels in Space," 35th International Electric Propulsion Conference, Atlanta, GA, Oct. 8-12, 2017. [Conference]
G. Ito, R. Kawashima, K. Komurasaki, H. Koizumi, K. Fuchigami, "Numerical Prediction of Ingestion Mass Flow Rate on Hall Thruster Performance Measurement," 35th International Electric Propulsion Conference, Atlanta, GA, Oct. 8-12, 2017. [Conference]
S. Tanaka, S. Sano, R. Soga, K. Komurasaki, H. Koizumi, R. Kawashima, "Alumina Reduction by Laser Ablation Towards Use of Moon Resources," 11th International Symposium on Applied Plasma Science, Warsaw, Poland, Sep., 2017.
R. Kawashima, K. Matsui, K. Komurasaki, J. A. Ofosu, T. Shimano, H. Koizumi, "A One-dimensional Modeling of Seed-electron Generation and Electron Avalanche in Laser-supported Detonation," 31st International Symposium on Shock Waves, Nagoya, Japan, July 9-14, 2017.
K. Miyata, R. Kawashima, T. Inamori, "Detailed Analysis of Aerodynamic Effect on Small Satellites," 31st International Symposium on Space Technology and Science, Matsuyama, Japan, June 3-9, 2017.
Y. Hamada, R. Kawashima, K. Komurasaki, H. Koizumi, "Performance of a 2 kW-Class Anode-Layer Thruster RAIJIN 66," 31st International Symposium on Space Technology and Science, Matsuyama, Japan, June 3-9, 2017.
R. Kawashima, K. Hara, "Numerical Modelling of Rotating Spokes in Hall Thruster Discharge Plasma," 44th International Conference on Plasma Science, Atlantic City, NJ, May 21-25, 2017. [Abstract]
R. Kawashima, K. Hara, K. Komurasaki, H. Koizumi, "A Unified Model for Axial-Radial and Axial-Azimuthal Hall Thruster Simulations," AIAA Propulsion and Energy, Salt Lake City, UT, July 25-27, 2016. [Conference]
J. A. Ofosu, T. Shimano, H. Koizumi, R. Kawashima, K. Matsui, K. Komurasaki, K. Shimamura, "Internal structure of LSD wave based on a 1-D Laser-induced Discharge model," 47th AIAA Plasmadynamics and Lasers Conference, Washington, D.C., June 13-17, 2016. [Conference]
R. Kawashima, J. A. Ofosu, K. Matsui, T. Shimano, K. Komurasaki, K. Shimamura, H. Koizumi, "Numerical Investigation of LSD Wave Characteristics Using a 1-D Laser-induced Discharge Model," HPLA/DE, Santa Fe, NM, Apr. 4-8, 2016. [Paper]
R. Kawashima, T. Schönherr, K. Komurasaki, H. Koizumi, "Magnetized Electron Flow Calculation Using a Hyperbolic System," 54th AIAA Aerospace Sciences Meeting, San Diego, CA, Jan. 4-8, 2016. [Conference]
R. Kawashima, K. Komurasaki, T. Schönherr, H. Koizumi, "Hybrid Modeling of a Hall Thruster Using Hyperbolic System of Electron Conservation Laws," ISTS/IEPC/NSAT Joint Conference, Kobe, Japan, July 6-10, 2015. [Conference]
R. Kawashima, T. Inamori, T. Matsuguma, "Particle Simulation of Interactions between Plasma and Magnetic Field Surrounding Nano-satellite Magnetic Torquers," ISTS/IEPC/NSAT Joint Conference, Kobe, Japan, July 6-10, 2015. [Conference]
R. Kawashima, T. Schönherr, K. Komurasaki, "Modeling of Electron Fluids in Hall Thrusters Using a Hyperbolic System," 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cleveland, OH, Jul. 28-30, 2014. [Conference]
T. Schönherr, Y. Ito, D. Fujita, R. Kawashima, H. Koizumi, K. Komurasaki, "TAL Thruster Development for the Japanese High-power In-space Propulsion Project RAIJIN," IAC-13-C4.4.2, 64th IAC, Beijing, China, Sep. 23-27, 2014.
R. Kawashima, H. Kitami, M. Miyashita, T. Sakemi, Y. Arakawa, "Validation of Hybrid Particle-in-cell Simulation for Application to Reactive Plasma Deposition Equipment," ICRP-8, Fukuoka, Japan, Feb. 3-7, 2014.
T. Inamori, R. Kawashima, P. Saisutjarit, N. Sako, H. Ohsaki, "Magnetic plasma de-orbit sytem using MTQs for nano-satellites," 5th Nano-Satellite Symposium, Univ. of Tokyo, Nov. 20-22, 2013.
T. Schönherr, R. Kawashima, H. Koizumi, et al., "Design and Performance Evaluation of Thruster with Anode Layer UT-58 for High-Power Application," IEPC-2013-242, 33rd IEPC, GWU, D.C., Oct. 6-10, 2013.
R. Kawashima, R. Kaneko, S. Cho, K. Komurasaki, H.Koizumi, Y. Arakawa, "Effect of Thruster Scaling of Pre-Sheath and Ion-Loss Region in Hall Thrusters," 8th IEEE Vehicle Power and Propulsion Conference, Seoul, Korea, Oct. 9-12, 2012.
H. R. Gilbert, C. R. DeVore, J. T. Karpen, T. A. Kucera, S. K. Antiochos, R. Kawashima, "Ion-neutral Coupling in Solar Prominence," AGU Fall Meeting 2011, San Francisco, CA, Dec. 5-9, 2011.
R. Kawashima, Y. Arakawa, "Simulation on Plasma Flow Control by Cusped Magnetic Fields," Advances in Applied Plasma Science, Vol.8, ISAPS' 11, Hakone, Sep. 26-30, 2011.
R. Geiger, S. Ghomire, R. Kawashima, D. Staack, "Thermodynamics of Microplasma Initiation in Liquids," IEEE International Conference on Plasma Science, Chicago, IL, Jun. 26-30, 2011.
T. Schönherr, K. Komurasaki, R. Kawashima, Y. Arakawa, G. Herdrich, "Evaluation of Discharge Behavior of the Pulsed Plasma Thruster SIMP-LEX," AIAA-2010-6530, 46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Nashville, TN, Jul. 25-28, 2010.
Domestic Conference
Domestic Conference
川嶋嶺, 王哲旭, 伊藤彦, 川畑就, 小紫公也, 小泉宏之, "プラズマ振動による電子輸送促進効果を加味するホールスラスタの連成シミュレーション," 第64回宇宙科学技術連合講演会, 3J06, オンライン, Oct. 26-30, 2020.
船木一幸, 中野正勝, 小紫公也, 鷹尾祥典, 横田茂, 張科寅, 川嶋嶺, "電気推進を用いた軌道間輸送機に関する議論," 宇宙太陽発電, Vol. 5, pp. 1-2, 2020. [J-STAGE]
川嶋嶺, 稲守孝哉, 宮田喜久子, "磁気プラズマデオービットのプラズマ抗力増加に関する粒子シミュレーション," 第63回宇宙科学技術連合講演会, 1I05, 徳島, Nov. 6-8, 2019.
川嶋嶺, 朴俊輝, 濱田悠嗣, Bastiaan Van Loo, 小紫公也, "アノードレイヤ型ホールスラスタUT-58作動特性の数値解析," 第59回航空原動機・宇宙推進講演会, 2A04, 岐阜, Mar. 6-8, 2019.
川嶋嶺, 小紫公也, "双曲型解法による磁化電子流体の高精度流束計算," 第32回数値流体力学シンポジウム, C09-3, 東京, Dec., 2018.
田中聖也, 山田慎, 小紫公也, 小泉宏之, 川嶋嶺, "ホールスラスタにおける周方向電場の発生と電子輸送促進の数値解析," 第62回宇宙科学技術連合講演会, P79, 久留米, Oct., 2018.
川嶋嶺, 小紫公也, "ホールスラスタにおける周方向電場の発生と電子輸送促進の数値解析," 第62回宇宙科学技術連合講演会, 1E02, 久留米, Oct., 2018.
川嶋嶺, 朴俊輝, 小紫公也, 小泉宏之, "ホールスラスタにおける回転スポーク現象の数値解析," 日本航空宇宙学会第48期年会講演会, 1B18, 東京大学, Apr., 2017.
川嶋嶺, オフォスジョセフ, 松井康平, 島野徹, 小紫公也, 小泉宏之, "レーザー支持デトネーションにおける種電子生成と電子雪崩の一次元解析," 第57回航空原動機・宇宙推進講演会, 2A07, 沖縄, Mar. 9-10, 2017.
川嶋嶺, 船木一幸, 丸祐介, 藤井純平, 松尾亜紀子, 笠原次郎, "回転デトネーション燃焼機を用いた10 kN級ロケットエンジンのシステム検討," 第60回宇宙科学技術連合講演会, 2A12, 函館, 2016.
川嶋嶺, 朴俊輝, 稲守孝哉, "超小型衛星用磁気プラズマデオービットの粒子シミュレーション," 第60回宇宙科学技術連合講演会, 4I14, 函館, 2016.
川嶋嶺, 小紫公也, 小泉宏之, "複雑磁場形状印加下における双曲型方程式系を用いた電子流体解析," 日本航空宇宙学会第47期年会講演会, 1D5, 東京大学, Apr., 2016.
川嶋嶺, 上本一樹, T. Schönherr, 小泉宏之, 小紫公也, "流束分離を用いた磁化電子流体の高精度計算手法," 日本航空宇宙学会第46期年会講演会, A22, 東京大学, Apr., 2015.
川嶋嶺, 上本一樹, 小紫公也, 小泉宏之, "双曲型方程式系による電子流体計算を用いたホールスラスタの数値解析," 第55回航空原動機・宇宙推進講演会, 1A01, 富山, Mar. 9-10, 2015.
川嶋嶺, 上本一樹, 小紫公也, 小泉宏之, "双曲型方程式系を用いた磁化電子流体の数値解析手法," 第28回数値流体力学シンポジウム, A05-2, 東京, Dec. 9-11, 2014.
川嶋嶺, 小紫公也, 小泉宏之, 荒川義博, "双曲型方程式系による準中性プラズマ中電子流体計算," 日本航空宇宙学会第45期年会講演会, D10, 東京大学, Apr. 10-11, 2014.
川嶋嶺, 小紫公也, 小泉宏之, "双曲型方程式系による電子流体計算を用いたホールスラスタのHybrid PICシミュレーション," 宇宙輸送シンポジウム, STEP-2013-053, JAXA宇宙研, Jan. 16-17, 2014.
川嶋嶺, 小紫公也, 小泉宏之, "準中性プラズマ中電子流体の擬似時間発展解法," 第27回数値流体力学シンポジウム, D04-3, 名古屋大学, Dec. 17-19, 2013.
川嶋嶺, 小紫公也, 小泉宏之, 荒川義博, "ホールスラスタ数値解析における電子流体計算の高速化手法," 日本航空宇宙学会第44期年会講演会, D06, 東京大学, Apr. 18-19, 2013.
川嶋嶺, 張科寅, 小紫公也, 小泉宏之, 荒川義博, "数値解析によるホールスラスタの壁面損耗低減条件の解明," 第56回宇宙科学技術連合講演会, 大分, Nov. 20-22, 2012.
Page updated
Report abuse