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J-GLOBAL ID：201301096907506744 Update date: Apr. 11, 2025

Hiroyuki Fujii

フジイヒロユキ | Hiroyuki Fujii

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Affiliation and department：
Job title： Associate Professor
Homepage URL (1)： https://tfp.eng.hokudai.ac.jp/

Research field (1)： Thermal engineering

Research keywords (5)： Light scattering and propagation , Radiative transfer , Electromagnetic scattering , Modeling and simulation , Near-infrared spectroscopy

Research theme for competitive and other funds (28)：

2024 - 2028 Evaporation coefficient of nanoparticle suspension
2024 - 2026 蒸気中の液滴固体面衝突における凝縮効果によるsplash発生抑制機序の解明
2023 - 2026 Interference effects caused by multiple scattering of the near-infrared electric fields in super-concentrated solutions
2023 - 2025 Model equations for extracting optical absorption components from photoacoustic signals
2023 - 2024 Near-infrared spectroscopy using scattered light for non-destructive evaluation of food qualities

2022 - 2023 Nondestructive measurement of ingredients inside stuffed bread using light

2022 - 2023 Study of the c orrelation between structural and light scattering properties in soybean curd for nondestructive monitoring

2022 - 2023 Numerical study of light and photoacoustic propagation in the human neck for photoacoustic imaging

2020 - 2023 Elucidation of non-equilibrium phase change at gas-liquid interface mechanism for mixture gas and its application to molecular multi-phase fluid dynamics

2020 - 2023 高Oh液滴の固体面衝突直後に発生するsplashの相似則構築とメカニズム解明

2019 - 2023 A high-sensitive time-domain method to identify fluorescence targets in thick biological tissue

2018 - 2023 Investigation of active matter mechanics by surface plasmon resonance observation

2021 - 2023 Multiphysics modeling of light scattering, light fluctuation, and particle diffusion in colloidal suspensions

2020 - 2023 Interference effects on radiative transfer in dense colloidal suspensions

2020 - 2021 Modeling of light and pressure propagation in biological tissue volumes for photoacoustic imaging

2018 - 2021 Study of interference of the radiative transfer induced by local and global structures of biological tissues and development of theoretical calculations of the light scattering properties

2017 - 2020 Surrounding gas effects on instability at solid-gas-liquid three-phase contact line in high-speed liqdui film flow

2019 - 2020 Nondestructive measurement of bread qualities using the near-infrared light

2016 - 2019 Determination of kinetic boundary conditions for gas-vapor binary mixture and its application

2018 - 2019 Improvement of light propagation model for thyroid cancer diagnosis by optical computed tomography

2015 - 2018 Development of monitoring system of oxygenated hemoglobin supply to fetus and placenta based on propagation of light and acoustic wave

2015 - 2018 Determination of optical properties for biological tissue based on radiative transport model in fine structure of biological tissue

2016 - 2017 Non-destructive evaluation of the white bread qualities using diffuse optical tomography

2014 - 2017 Condensation effect on high-speed liquid-film flow instability at a liquid-droplet impact on a solid surface in a vaporous environment

2016 - 2017 Examination of the relation between light scattering and structures for agricultural products by diffuse optical tomography

2014 - 2016 Study of unsteady heat and mass transfer at the strong non-equilibrium interface ugin mean-field kinetic theory

2015 - 2016 Non-destructive evaluation of the melon qualities by near-infrared imaging

2014 - 2015 Cancer detection of the human neck by noninvasive optical imaging

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Papers (65)：

Hiroyuki Fujii, Koyata Nishikawa, Hyeonwoo Na, Kazumichi Kobayashi, Masao Watanabe. Polydisperse stickiness and particle size on light scattering in dense colloidal suspensions: A numerical study using the binary sticky hard-sphere model. Results in Physics. 2025. 73. 108247. 1-8
Hiroyuki Fujii, Hyeonwoo Na, Jungyun Yi, Kazumichi Kobayashi, Masao Watanabe. Particle size distribution effects on the light scattering properties in non-diluted colloidal suspensions: A numerical study. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2024. 703. 135208. 1-9
Hiroyuki Fujii, Hyeonwoo Na, Koyata Nishikawa, Kazumichi Kobayashi, Masao Watanabe. Interference effects on light scattering properties of dense colloidal suspensions: a short review. Optical Review. 2024. 31. 3. 299-308
Kazumichi Kobayashi, Kota Aoki, Hirofumi Tabe, Hiroyuki Fujii, Toshiki Nara, Hideyoshi Takashima, Nobuyuki Oshima, Masao Watanabe. Couette flow at high Knudsen number between wall and liquid boundaries. Physics of Fluids. 2023. 35. 082021. 1-8
Hiroyuki Fujii, Koyata Nishikawa, Hyeonwoo Na, Yuki Inoue, Kazumichi Kobayashi, Masao Watanabe. Numerical study of light scattering and propagation in soymilk: Effects of particle size distributions, concentrations, and medium sizes. Infrared Physics & Technology. 2023. 132. 104753. 1-9

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MISC (32)：

Hiroyuki Fujii. Modeling light scattering of colloidal suspensions. 2024. 436. 03
Hiroyuki Fujii. Light scattering and propagation of biological tissues, agricultural products, and foods. 2023
澤井冴, 渡部正夫, 小林一道, 藤井宏之, 真田俊之. エタノール液滴のスプラッシュ発生に及ぼす蒸気の凝縮効果. 流体工学部門講演会講演論文集. 2019. 2018. OS2-17
Riichiro Endo, Masao Watanabe, Kazumichi Kobayashi, Hiroyuki Fujii. 単一液滴衝突時に取り込まれる空気膜の観察. 2019. 2018. OS2-5
千葉豪, 藤井宏之. 炉物理コードシステムCBZへのガラーキン求積法の実装. 日本原子力学会秋の大会予稿集(CD-ROM). 2018. 2018. ROMBUNNO.2M20

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Books (1)：

Biomedical Optical Imaging -Fundamentals and Clinical Applications
NTS Inc. 2021 ISBN:9784860437299

Education (3)：

2009 - 2012 Tohoku University Mechanical Engineering Ph.D course
2007 - 2009 Tohoku University Mechanical Engineering Master course
2003 - 2007 University of Tsukuba First Cluster of Colleges,College of Natural Sciences

Professional career (1)：

博士(工学) (東北大学)

Work history (7)：

2023/04 - 現在 Hokkaido University Faculty of Engineering Division of Mechanical and Space Engineering Associate Professor (tenure track)
2024/08 - 2024/12 University of Michigan Electrical Engineering and Computer Science Visiting Scholar
2023/08 - 2023/09 Roskilde University Department of Science and Environment Mathematics and Physics (IMFUFA) Visiting researcher
2019/04 - 2023/03 Hokkaido University Faculty of Engineering Mechanical and space engineering Assistant professor (tenure)
2019/09 - 2019/12 University of Michigan Electrical engineering and computer science Visiting scholar

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Committee career (8)：

2024/05 - 現在 The Heat Transfer Society of Japan Councilor of the 63rd Executives
2022/04 - 現在 Fluids Engineering Division of the Japan Society of Mechanical Engineers Secretary, Technical Meeting of Hokkaido Branch
2022/04 - 現在 Consortium of Industry-Academia Collaboration on Bio-Optical Imaging and Spectroscopy Committee member
2021/04 - 現在 Japan council for near infrared spectroscopy Officier
2023/06 - 2024/07 The fifth International Workshop on Nano-Micro Thermal Radiation, Nanorad 2024 Second Secretary General

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Awards (14)：

2025/04 - Leave a nest Co.,Ltd. Nipponham Award "Quantitative relation between meet structure and light scattering for meat quality evaluation"
2025/03 - Japan Society of Mechanical Engineers Hokkaido Branch Awards for supervised students, Best Presentation Award "Interference effects of multiple scattered fields in dense colloidal suspensions using light scattering measurements"
2025/03 - Japan Society of Mechanical Engineers Hokkaido Branch Awards for supervised students, Best Presentation Award "Numerical study of light scattering in a hollow sphere using Mie theory"
2024/11 - Japan Council for Near Infrared Spectroscopy (JCNIRS) Awards for supervised students, 40th NIR Forum Student Travel Award "Light scattering properties for a coagulation state in soy milk"
2024/03 - The Japan Society of Mechanical Engineers Awards for supervised students, Miura Award

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Association Membership(s) (4)：

The Optical Society of Japan , The Heat Transfer Society of Japan , THE JAPAN SOCIETY OF MECHANICAL ENGINEERS , THE PHYSICAL SOCIETY OF JAPAN

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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