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Study on internal stress and inner and outer flow fields of levitated droplet rotating with high speed in high-frequency pressure field

Research Project

Project/Area Number 15K05788
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Fluid engineering
Research InstitutionUniversity of Fukui

Principal Investigator

Watanabe Tadashi  福井大学, 附属国際原子力工学研究所, 教授 (50391355)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords浮遊液滴 / 回転 / 変形 / 内部応力 / 数値シミュレーション / 回転変形 / アレイ形状 / 分裂 / レベルセット法 / 液滴 / シミュレーション
Outline of Final Research Achievements

Numerical simulations of levitated rotating droplets are performed, and the shape variation and internal flow field are studied for the development of measurement technique of high-temperature molten material properties. The relationship between the deformation of asymmetric droplet and rotation rate agrees well with the existing experimental result. It is found that the internal stress field is asymmetric due to the circulating flow formed by the deformation.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (3 results)

All 2017 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Oscillation of a rotating levitated droplet: Analysis with a mechanical model2015

    • Author(s)
      Hiroyuki Kitahata, Rui Tanaka, Yuki Koyano, Satoshi Matsumoto, Katuhiro Nishinari, Tadashi Watanabe, Koji Hasegawa, Tetsuya Kanagawa, Akiko Kaneko and Yutaka Abe
    • Journal Title

      Physical Review E

      Volume: 92 Issue: 6

    • DOI

      10.1103/physreve.92.062904

    • NAID

      120007129742

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Combustion Analysis of Suspended Sodium Droplet2017

    • Author(s)
      Tadashi Watanabe
    • Organizer
      19th Int. Conf. Fluid Mech. and Thermal Eng.
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 非軸対称回転液滴の数値シミュレーション2016

    • Author(s)
      渡辺正
    • Organizer
      機械学会流体工学部門講演会
    • Place of Presentation
      山口大学
    • Year and Date
      2016-11-12
    • Related Report
      2016 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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