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J-GLOBAL ID：202101002536576793   Update date: Nov. 20, 2024

NISHII KEITA

ニシイ ケイタ | NISHII KEITA
Affiliation and department：
Tokyo Metropolitan University Faculty of Systems Design, Department of Aeronautics and Astronautics

About Tokyo Metropolitan University Faculty of Systems Design, Department of Aeronautics and Astronautics


Job title： Assistant Professor
Homepage URL  (2)： https://sites.google.com/view/keita-nishii/home/ ,  https://sites.google.com/view/keita-nishii-en/home/
Research field  (1)： Aerospace engineering
Research keywords  (8)： Rarefied gas dynamics ,  Numerical simulation ,  Combustion ,  Plasma ,  Chemical propulsion ,  Electric propulsion ,  Space propulsion ,  Small satellites
Research theme for competitive and other funds  (9)：
  • 2024 - 2026 マイクロ波により繰り返し点火可能な金属を主燃料とする宇宙機用ハイブリッドロケット
  • 2024 - 2025 A Study on Electromagnetic Acceleration Type Thruster using Water Direct Injection for Development of All Electric Propulsion System
  • 2024 - 2025 Investigation of test environment effects on gas jet propulsion systems for spacecraft using large-scale parallel computation
  • 2024 - 2025 Establishing Methods for Modeling Neutral Gas Flows towards the Realization of a Numerical Vacuum Chamber
  • 2023 - 2025 宇宙機の精密位置制御に資するマイクロガスジェット推進機の宇宙性能補正則の確立
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Papers (19)：
  • Keita Nishii. Numerical Study of Facility Pressure Effects on Micronozzles for Space Propulsion. AIAA Journal. 2024. 1-10
  • Keita Nishii, Hiroyuki Koizumi. Temperature measurement on condensed combustion products of magnesium with oxygen and water vapor. Combustion and Flame. 2024. 262. 113362-113362
  • Masaya MUROHARA, Hiroyuki KOIZUMI, RuCheng ZHANG, Keita NISHII, Kimiya KOMURASAKI. Experimental Study on Combustion of Water Vapor and Aluminum Powder for Chemical Micropropulsion. TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES. 2024. 67. 2. 86-98
  • Keita Nishii, Deborah A. Levin. Three-Dimensional Kinetic Simulations of Carbon Backsputtering in Vacuum Chambers from Ion Thruster Plumes. Journal of Propulsion and Power. 2024. 40. 1. 123-137
  • Keita Nishii, Deborah A Levin. Kinetic simulation of ion thruster plume neutralization in a vacuum chamber. Plasma Sources Science and Technology. 2023. 32. 11. 115009-115009
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MISC (25)：
  • 安井 颯翼, 手島 瑞貴, 西井 啓太, 各務 聡. 迅速な点火と可変推力を実現するレーザ点火とピントルノズルを利用した小型固体推進機-Small-scale Solid Rocket Motor utilizing Laser Ignition and Pintle Nozzles for Fast Ignition and Variable Thrust. 年会講演会 = JSASS annual meeting. 2024. 55. 4p
  • 神田 智哉, 西井 啓太, 各務 聡. 宇宙機用ハイブリッドロケットにおける燃料中のマグネシウム割合と性能の関係-The relationship between the magnesium ratio in the grain and the performance of a hybrid rocket for spacecraft. 年会講演会 = JSASS annual meeting. 2024. 55. 7p
  • 西井 啓太. 宇宙機用マイクロスラスタにおいて地上試験時に発生する性能低下の定量的な解明-Numerical investigation of test facility effect on gas jet thrusters for space micropropulsion systems. 年会講演会 = JSASS annual meeting. 2024. 55. 7p
  • NISHII Keita. The Development of the Propulsion System for CubeSats and its Resulting Researches. Aeronautical and Space Sciences Japan. 2023. 71. 2. 31-32
  • 秋山茉莉子, 西井啓太, 小泉宏之, 小紫公也. Acquisition of Input power for Fuel Ignition in a Micropropulsion System using Magnesium and Water. 宇宙科学技術連合講演会講演集(CD-ROM). 2021. 65th
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Patents (2)：
Lectures and oral presentations  (98)：
  • Fundamental Experiments on Metalized Fuel Hybrid Rockets for Spacecraft with Microwave Repetitive Ignition
    (Twenty-first International Conference on Flow Dynamics 2024)
  • マイクロ波プラズマを用いた化学・電気デュアルモードスラスタの実験的研究
    (第68回宇宙科学技術連合講演会 2024)
  • 水推進剤を用いたアークジェット推進機の推力測定
    (第68回宇宙科学技術連合講演会 2024)
  • マグネシウム添加燃料を利用した宇宙機用ハイブリッドロケットの燃焼残渣に関する研究
    (第68回宇宙科学技術連合講演会 2024)
  • 水を作動ガスとするRFカソード
    (第68回宇宙科学技術連合講演会 2024)
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Education (4)：
  • 2018 - 2021 The University of Tokyo The Graduate School of Engineering Department of Aeronautics and Astronautics
  • 2016 - 2018 The University of Tokyo Graduate School of Frontier Sciences Advanced energy
  • 2014 - 2016 The University of Tokyo The Faculty of Engineering Department of Aeronautics and Astroronautics
  • 2012 - 2014 The University of Tokyo College of Arts and Sciences
Professional career (1)：
  • Doctor of Engineering (The University of Tokyo)
Work history (9)：
  • 2023/04 - 現在 Tokyo Metropolitan University Faculty of Systems Design, Department of Aeronautics and Astronautics Assistant Professor
  • 2023/05 - 2024/04 University of Illinois at Urbana-Champaign Aerospace Engineering Research Consultant
  • 2022/03 - 2023/03 University of Illinois at Urbana-Champaign Aerospace Engineering Postdoctoral Researcher
  • 2022/04 - 日本学術振興会 特別研究員PD 採用内定(辞退)
  • 2021/10 - 2022/03 The University of Tokyo The Graduate School of Engineering Department of Aeronautics and Astronautics
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Awards (6)：
  • 2024/02 - 内閣府 第6回宇宙開発利用大賞 選考委員会特別賞 超小型探査機による地球-月圏における軌道制御技術の実証
  • 2022/04 - The Japan Society for Aeronautical and Space Sciences JSASS Young Researcher Award, 2021
  • 2020/01 - 令和元年度宇宙輸送シンポジウム, 優秀学生賞(共著受賞) 電子ビーム励起によるマイクロノズル下流における中性粒子の相対密度分布測定
  • 2019/08 - Small Satellite Conference Committee Small Satellite Conference 2019, Student Poster Award, Second Place Pre-flight Testing of AQUARIUS: the Water Resistojet Thruster on the SLS EM-1 CubeSat for Deep Space Exploration
  • 2018/04 - 日本航空宇宙学会 第49期年会講演会 優秀発表賞 超小型水スラスタの推進剤供給システムにおける常温下での液滴蒸発挙動とその熱評価
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Association Membership(s) (3)：
The Japan Society of Mechanical Engineers ,  American Institute of Aeronautics and Astronautics ,  The Japan Society for Aeronautical and Space Sciences
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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