2020 - 2024 Toward Lab-in-a-drop: Contactless droplet manipulation by acoustic field
2019 - 2021 高精度な非接触流体制御を目指した音場浮遊液滴の微粒化機構の解明
2017 - 2020 Boiling heat transfer on optimization of metal crystal grain refinement and ductility improvement of steel:quench of liquid film
2015 - 2018 Development of non-contactless container process control technology using electrostatic field / ultrasonic hybrid floating method
2015 - 2018 Highly precise and contactless liquid manipulation by acoustic levitation method
2016 - 2017 革新的流体制御を目指した音場浮遊液滴の微粒化メカニズムの解明
2015 - 2016 音場浮遊液滴の非線形ダイナミクスに関する研究
2014 - 2015 超音波浮遊液滴に生じる非線形ダイナミクスの制御
2014 - 2014 Levitation stability and restoring force of an acoustically levitated droplet
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Papers (42)：
Tetsuro Yanaseko, Toyoki Agata, Masaki Hiratsuka, Koji Hasegawa. Method for evaluating healing state of self-healing ceramics using acoustic emission. Materials Chemistry and Physics. 2024
Misaki Mitsuno, Koji Hasegawa. Airborne Ouzo: Evaporation-induced emulsification and phase separation dynamics of ternary droplets in acoustic levitation. Physics of Fluids. 2024. 36. 3. 033328-1-033328-10
Kota Honda, Kota Fujiwara, Koji Hasegawa, Akiko Kaneko, Yutaka Abe. Coalescence and mixing dynamics of droplets in acoustic levitation by selective colour imaging and measurement. Scientific Reports. 2023. 13. 1. 19590-1-19590-12
Koji Hasegawa, Yuya Kishimoto. Fingering Instability of Binary Droplets on Oil Pool. Fluids. 2023. 8. 5. 138-1-138-10
Koji Hasegawa, Manami Murata. Oscillation Dynamics of Multiple Water Droplets Levitated in an Acoustic Field. Micromachines. 2022. 13. 9. 1373-1373
Koji HASEGAWA. Contactless Manipulation of Levitated Droplets Driven by Acoustic Fields. JAPANESE JOURNAL OF MULTIPHASE FLOW. 2023. 37. 1. 29-36
Koji Hasegawa. Understanding droplet stability in acoustic levitation. Scilight. 2020
Koji HASEGAWA, Yutaka ABE. Transport Phenomena of a Droplet in Acoustic Levitation. International Journal of Microgravity Science and Application. 2020. 37. 2. 370201-1-370201-9
Acoustic Levitation From Physics to Applications
Springer, Singapore 2020
Education (4)：
2012 - 2013 University of Tsukuba Graduate School of Systems and Information Engineering Department of Engineering Mechanics and Energy
2008 - 2010 University of Tsukuba
2006 - 2008 University of Tsukuba
2001 - 2006 Ibaraki National College of Technology Department of Electronics and Control Engineering
Professional career (1)：
Ph.D. in Engineering (University of Tsukuba)
Work history (5)：
2016/04 - 現在 Kogakuin University of Technology & Engineering Faculty of Engineering Department of Mechanical Engineering Associate professor
2024/04 - 2025/03 University of Stuttgart Institute of Aerospace Thermodynamics (ITLR) Visiting researcher
2012/04 - 2016/03 Kogakuin University of Technology & Engineering Assistant professor
2010/04 - 2012/03 PricewaterhouseCoopers
2008/04 - 2009/03 (株)イーオン・イーストジャパン 英会話講師(非常勤)
Awards (36)：
2025/04 - Ministry of Education, Culture, Sports, Science and Technology (MEXT) MEXT Prize for Young Scientists in the field of science and technology for the fiscal year 2025
2024/08 - 10th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics(ExHFT-10) Best poster award Impact and boiling of single and multiple droplets on a heated solid surface
2022/08 - Feature Paper in Micromachines: Oscillation Dynamics of Multiple Water Droplets Levitated in an Acoustic Field
2022/08 - Editor’s Choice in Micromachines: Oscillation Dynamics of Multiple Water Droplets Levitated in an Acoustic Field
2022/02 - Star reviewer of 2021 in Physics of Fluids
2021/12 - 日本液体微粒化学会 第21回写真コンテスト 特選
2021/12 - 工学院大学 機械工学科 教育貢献賞
2021/02 - Star reviewer of 2020 in Physics of Fluids
2020/12 - Most Read Scilights of 2020: Understanding droplet stability in acoustic levitation
2020/12 - 29th ILASS-Japan Symposium Best presentation award
2020/12 - Editor's pick in Physics of Fluids: Breakup characteristics of levitated droplets in a resonant acoustic field
2020/12 - 2020年度 エヌエフ基金 研究開発奨励賞
2020/08 - 2019年度 日本混相流学会 奨励賞
2020/05 - American Institute of Physics(AIP) AIP Scilight(science highlight): Acoustically induced breakup of levitated droplets
2020/05 - American Institute of Physics(AIP) Featured Article(journal's best) in AIP Advances: Acoustically induced breakup of levitated droplets
2019/11 - American Institute of Physics(AIP) Featured Article(journal's best) in Physics of Fluids: Internal flow during mixing induced in acoustically levitated droplets by mode oscillations
2019/10 - American Institute of Physics(AIP) Featured Article(journal's best) in Physics of Fluids: Transition of flow field of acoustically levitated droplets with evaporation
2019/10 - AIP Scilight(science highlight): Transition of flow field of acoustically levitated droplets with evaporation
2018/12 - COMSOL Conference 2018 Tokyo: Best Poster Presentation Award
2018/08 - American Institute of Physics(AIP) Featured Article(journal's best) in Physics of Fluids: Flow structure and evaporation behavior of an acoustically levitated droplet
2017/10 - 2017年度 工学院大学 大学表彰
2017/04 - 一般社団法人 日本機械学会 2016年度 日本機械学会奨励賞(研究)
2015/09 - The 10th International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications: Outstanding poster award
2009/09 - International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications workshop Best poster prize
2009/07 - 27th ISTS, International Symposium on Space Technology and Science JAXA President Award
2009/03 - 日本機械学会関東支部第15期総会講演会 若手優秀講演フェロー賞
2008/11 - 日本マイクログラビティ応用学会第23回学術講演会 奨励賞
2008/10 - 日本混相流学会年会講演会2008 学生優秀講演賞
2008/03 - 平成19年度 筑波大学 工学システム学類長賞
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Association Membership(s) (7)：
THE JAPAN SOCIETY OF MICROGRAVITY APPLICATION
, THE JAPANESE SOCIETY FOR MULTIPHASE FLOW
, THE HEAT TRANSFER SOCIETY OF JAPAN
, THE JAPAN SOCIETY OF MECHANICAL ENGINEERS
, American Physical Society
, The Japan Society of Fluid Mechanics
, 日本液体微粒化学会
