• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Creation and control of supercritical plasma flow for single-step synthesis of multifunctional highly-deliverable nanoparticles

Research Project

Project/Area Number 21H01249
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 19010:Fluid engineering-related
Research InstitutionTohoku University

Principal Investigator

Shigeta Masaya  東北大学, 工学研究科, 教授 (30431521)

Co-Investigator(Kenkyū-buntansha) 田中 学  大阪大学, 接合科学研究所, 教授 (20243272)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2023: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2022: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Fiscal Year 2021: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Keywords流体工学
Outline of Research at the Start

超臨界プラズマという特異物質相の流れを利用して、多機能性と高送達性を併せ持つナノ粒子をシングルステップで大量合成するという新手法を流体工学的立場から確立する。超臨界と亜臨界のインターフェース領域を多く広範囲に創成することを量産プロセス実現の鍵と捉え、ナノスケールの物理化学的な素過程とプラズマ相の流動現象に実験的研究と理論的研究の両面からアプローチし、ナノ粒子の合成反応経路と超臨界プラズマの電磁熱流体的特性、およびそれらの相関を明らかにする。

Outline of Final Research Achievements

The electrode in contact with the plasma in supercritical carbon dioxide was improved and a system that could robustly and continuously sustain the plasma by means of high-voltage pulse discharge was developed. The molten electrode behavior was successfully visualized by applying appropriate optical treatment. Histograms of the size and composition of the nanoparticles were obtained and their characteristics were clarified. A new inhouse computation code was developed to simulate the electromagnetic thermofluid dynamics of plasma-nonionized gas-nanoparticle coexisting systems, and the fundamental mechanism of plasma-induced turbulence generation and nanoparticle formation processes were successfully elucidated. Extending the smoothed particle hydrodynamics method, numerical simulation methods were also developed for reproducing and analyzing metal melting, flow, solidification, compound formation, and oxide transport.

Academic Significance and Societal Importance of the Research Achievements

高い生体親和性と送達性を有する多機能性ナノ粒子のシングルステップでの高速合成が可能となり,工学的なブレークスルーによる医療分野発展に寄与する。また学問的観点から本プロセスを構成する個々の物理過程を見ると,電磁流体工学・熱工学・化学工学・材料工学にわたる分野横断型研究であるため,本研究を通して得られる学問的知見は,多機能性ナノ材料合成システムの設計指針を与えるのみならず,各種工学分野と共有できる基礎資料を提供することになり,高い学術的貢献度が付随する。加えて,新規開発した可視化計測法や数値計算コードはその汎用性・拡張性から転用も可能であるため,他分野における技術革新の一助となる潜在性を有する。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (39 results)

All 2024 2023 2022 2021 Other

All Int'l Joint Research (3 results) Journal Article (14 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 14 results,  Open Access: 4 results) Presentation (22 results) (of which Int'l Joint Research: 12 results,  Invited: 16 results)

  • [Int'l Joint Research] オーストラリア連邦科学産業研究機構(オーストラリア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] オーストラリア連邦科学産業研究機構(オーストラリア)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] ボローニャ大学(イタリア)

    • Related Report
      2021 Annual Research Report
  • [Journal Article] SPH Simulation of Molten Metal Flow Modeling Lava Flow Phenomena with Solidification2024

    • Author(s)
      Shingo Tomita, Joe Yoshikawa, Makoto Sugimoto, Hisaya Komen, Masaya Shigeta
    • Journal Title

      Dynamics

      Volume: 4 Issue: 2 Pages: 287-302

    • DOI

      10.3390/dynamics4020017

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Progress of computational plasma fluid mechanics2023

    • Author(s)
      Masaya Shigeta
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 62 Issue: SL Pages: SL0801-SL0801

    • DOI

      10.35848/1347-4065/acd8c2

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Splashing of tungsten-based anode during arc discharge2023

    • Author(s)
      Kenta Iida, Hisaya Komen, Masaya Shigeta, Manabu Tanaka
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 12210-12210

    • DOI

      10.1038/s41598-023-39274-4

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] D03-ordered Fe3Al magnetic nanopowders synthesized by low oxygen induction thermal plasma2023

    • Author(s)
      Jian Wang, Yusuke Hirayama, Zheng Liu, Shunsuke Tsurumi, Masaya Shigeta, Makoto Sugimoto, Joe Yoshikawa, Shoichi Kumon, Kimitaka Sato
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 976 Pages: 173277-173277

    • DOI

      10.1016/j.jallcom.2023.173277

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Asymmetric Abel inversion in imaging spectroscopy for tilted TIG arc plasma2022

    • Author(s)
      Yuto Yamashita, Masaya Shigeta, Hisaya Komen and Manabu Tanaka
    • Journal Title

      Welding International

      Volume: 36 Issue: 7 Pages: 425-433

    • DOI

      10.1080/09507116.2022.2084822

    • NAID

      130008136602

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Numerical investigation for dominant factors in slag transfer and deposition process during metal active gas welding using incompressible smoothed particle hydrodynamics method2022

    • Author(s)
      Takamasa Fukazawa, Keigo Tanaka, Hisaya Komen, Masaya Shigeta, Manabu Tanaka & Anthony Bruce Murphy
    • Journal Title

      Welding International

      Volume: 36 Issue: 5 Pages: 297-313

    • DOI

      10.1080/09507116.2022.2059147

    • NAID

      130008141946

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Particle simulation of nugget formation process during steel/aluminum alloy dissimilar resistance spot welding and thickness estimation of intermetallic compounds2022

    • Author(s)
      Shinnosuke Chikuchi, Masaya Shigeta, Hisaya Komen & Manabu Tanaka
    • Journal Title

      Welding International

      Volume: 36 Issue: 7 Pages: 434-442

    • DOI

      10.1080/09507116.2022.2084821

    • NAID

      130008136527

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spatial composition distribution of a Ni-Cu binary alloy powder in a thermal plasma process2022

    • Author(s)
      Y. Hirayama, M. Shigeta, K. Takagi and K. Ozaki
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 898 Pages: 162792-162792

    • DOI

      10.1016/j.jallcom.2021.162792

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Asymmetric Abel Inversion in Imaging Spectroscopy for Tilted TIG Arc Plasma2021

    • Author(s)
      山下 悠登, 茂田 正哉, 古免 久弥, 田中 学
    • Journal Title

      QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

      Volume: 39 Issue: 4 Pages: 233-240

    • DOI

      10.2207/qjjws.39.233

    • NAID

      130008136602

    • ISSN
      0288-4771, 2434-8252
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Identification of light emitting elements around tungsten electrode during TIG welding using optical emission spectroscopy2021

    • Author(s)
      田中 慶吾, 茂田 正哉, 古免 久弥, 田中 学
    • Journal Title

      QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

      Volume: 39 Issue: 4 Pages: 248-259

    • DOI

      10.2207/qjjws.39.248

    • NAID

      130008136600

    • ISSN
      0288-4771, 2434-8252
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental investigation of dominant factors for droplet ejection from electrode during AC TIG welding2021

    • Author(s)
      飯田 健太, 田中 慶吾, 茂田 正哉, 古免 久弥, 田中 学
    • Journal Title

      QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

      Volume: 39 Issue: 4 Pages: 260-266

    • DOI

      10.2207/qjjws.39.260

    • NAID

      130008136599

    • ISSN
      0288-4771, 2434-8252
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Anisotropic Sm-Co nanopowder prepared by induction thermal plasma2021

    • Author(s)
      Kwangjae Park, Yusuke Hirayama, Masaya Shigeta, Zheng Liu, Makoto Kobashi, Kenta Takagi
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 882 Pages: 160633-160633

    • DOI

      10.1016/j.jallcom.2021.160633

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Computational Study of Quenching Effects on Growth Processes and Size Distributions of Silicon Nanoparticles at a Thermal Plasma Tail2021

    • Author(s)
      Masaya Shigeta, Yusuke Hirayama, Emanuele Ghedini
    • Journal Title

      Nanomaterials

      Volume: 11 Issue: 6 Pages: 1370-1370

    • DOI

      10.3390/nano11061370

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Anisotropic Nd-Fe ultrafine particles with stable and metastable phases prepared by induction thermal plasma2021

    • Author(s)
      Y. Hirayama, M. Shigeta, Z. Liu, N. Yodoshi, A. Hosokawa, K. Takagi
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 873 Pages: 159724-159724

    • DOI

      10.1016/j.jallcom.2021.159724

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Presentation] 熱プラズマ:シミュレーション予測2023

    • Author(s)
      茂田 正哉
    • Organizer
      2023 プラズマ材料工学研究会/NEXTA フォーラム『熱プラズマスプレー技術の進展とカーボンニュートラルに向けた展開』
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] プラズマ熱物性データを組み込んだ高温材料プロセスの数理モデリングとシミュレーション2023

    • Author(s)
      茂田 正哉
    • Organizer
      日本熱物性学会 セミナーシリーズ 第5回「高温での材料プロセスのシミュレーションと熱物性」
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] COMPUTATIONAL INVESTIGATION OF TURBULENCE GENERATION BY SF6 ARC PLASMA IN A MODEL CIRCUIT BREAKER2023

    • Author(s)
      MASAYA SHIGETA, YASUNORI TANAKA, YUKI INADA
    • Organizer
      The 23rd International Conference on Gas Discharges and their Applications (GD 2023)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Numerical Study of Axial Magnetic Effects on Silicon Nanopowder Cloud Around an Argon Thermal-Plasma-Jet-Induced Turbulent Flow Field2023

    • Author(s)
      Masaya Shigeta
    • Organizer
      ASME-JSME-KSME Fluids Engineering Division (AJKFED2023)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Two-Dimensional Axisymmetric Simulation of Arc-Plasma-Induced Turbulence of SF6 and Air Flows in a Converging-Diverging Cylinder2023

    • Author(s)
      M. Shigeta, Y. Inada and Y. Tanaka
    • Organizer
      The 25th International Symposium on Plasma Chemistry (ISPC25)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Time-Dependent Numerical Simulation of Heat and Mass Transports in Water Plasma Jet with Air Entrainment2023

    • Author(s)
      Y. Kishimoto, M. Sugimoto, M. Shigeta, M. Tanaka and T. Watanabe
    • Organizer
      The 25th International Symposium on Plasma Chemistry (ISPC25)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Numerical Study of Collective Formation Process of Fe-Al Alloy Nanoparticles in Thermal Plasma Tail Using Two-Component Co-condensation Model2023

    • Author(s)
      S. Tsurumi, M. Sugimoto, M. Shigeta, J. Wang and Y. Hirayama
    • Organizer
      The 25th International Symposium on Plasma Chemistry (ISPC25)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Computational Studies of Thermal-Plasma-Induced Turbulence on Nanopowder Generation and Sustained Arc Discharge2022

    • Author(s)
      Masaya Shigeta
    • Organizer
      The 75th Annual Gaseous Electronics Conference & The 11th International Conference on Reactive Plasmas (GEC 2022/ICRP-11)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Computational Studies on Nanopowder Formation and Turbulence Generation in Thermal Plasma Applications2022

    • Author(s)
      Masaya Shigeta
    • Organizer
      The 5th International Union of Materials Research Societies - International Conference of Young Researchers on Advanced Materials (IUMRS-ICYRAM 2022)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mathematical Modelling and Simulations of Thermal Plasma - Nanopowder Fabrication Processes2022

    • Author(s)
      Masaya Shigeta
    • Organizer
      National Conference on Recent Developments and Evolving Trends in Plasma Science and Technology & Pre-conference Workshop on Modelling and Simulation of Industrial Plasmas
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 高温金属溶接シミュレーションへの粒子法の適用2022

    • Author(s)
      茂田 正哉
    • Organizer
      Prometech Simulation Conference 2022
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 数学的記述と計算アルゴリズム構築に根差した熱プラズマ流-材料創製プロセスの研究2022

    • Author(s)
      茂田 正哉
    • Organizer
      日本伝熱学会東北支部 春季講演会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 数値プラズマ流体工学の事例紹介 ― 熱プラズマ誘発乱流が支配するナノ粒子生成およびアーク消弧プロセス ―2022

    • Author(s)
      茂田 正哉
    • Organizer
      第38回九州・山口プラズマ研究会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] SF6系アークプラズマの乱流誘発メカニズム解明に向けた数値シミュレーション2022

    • Author(s)
      茂田 正哉
    • Organizer
      応用物理学会プラズマエレクトロニクス分科会第40回新領域研究会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 熱プラズマ誘発乱流が関係するナノ粒子生成およびアーク消弧プロセスの数値解析的研究2022

    • Author(s)
      茂田 正哉
    • Organizer
      日本学術振興会 第153委員会 第155回研究会『高気圧プラズマプロセスを左右するガス流場の 詳細計測・制御と数値解析』
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 熱プラズマ下流域における二元系合金ナノ粒子生成プロセスの数値解析的研究2022

    • Author(s)
      鶴見 俊介, 杉本 真, 茂田 正哉
    • Organizer
      スマートプロセス学会2022年度学術講演会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Computational Plasma Fluid Mechanics -- Studies on Nanopowder Fabrication and Plasma-Induced Turbulence --2022

    • Author(s)
      Masaya Shigeta
    • Organizer
      The 22th Gaseous Electronics Meeting (GEM 2022)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mathematical Descriptions and Numerical Analyses of Thermal Plasma - Nanopowder Production Processes2021

    • Author(s)
      Masaya Shigeta
    • Organizer
      Faculty of Science, Suez University Symposium in "Higher Performance Computing for Mathematics and Applications"
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mathematical Descriptions and Numerical Predictions of Thermal Plasma - Nanopowder Production Systems2021

    • Author(s)
      Masaya Shigeta
    • Organizer
      The 12th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology (APSPT-12)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Modelling and Simulation of Turbulent Thermal Plasma Flows for Nanoparticle Mass Fabrication2021

    • Author(s)
      Masaya Shigeta
    • Organizer
      5th Asia Pacific Conference on Plasma Physics, AAPPS-DPP2021 as on-line Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 熱プラズマ流を利用した材料プロセッシングの数値解析的研究2021

    • Author(s)
      茂田 正哉
    • Organizer
      化学工学会 第52回秋季大会, SY-56 [熱工学部会シンポジウム]
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 電磁熱流体工学の観点からみたアーク溶接2021

    • Author(s)
      茂田 正哉
    • Organizer
      溶接学会東北支部 第33回溶接・接合研究会
    • Related Report
      2021 Annual Research Report
    • Invited

URL: 

Published: 2021-04-28   Modified: 2025-01-30  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi