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Research and development of a new quantitative flow visualization technique for micro-scale flow field based on quantum dots

Research Project

Project/Area Number 15K17967
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Fluid engineering
Research InstitutionIbaraki University

Principal Investigator

LI YANRONG  茨城大学, 工学部, 講師 (20712821)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords量子ドット / 可視化 / 温度場 / 速度場 / 光学特性評価 / Quantum Dots / Micro-PIV / Flow Visualization / Flow visualization / Quantum dots / Micro PIV
Outline of Final Research Achievements

The purpose of this investigation is to develop a new quantitative flow visualization technique based on quantum dots (QDs), which can be applied as both the temperature probe and tracer particles. This technique can be applied to hydro-mechanical micro-electro- mechanical-systems (MEMS) system to simultaneously determine instantaneous temperature and velocity distributions in such micro-scale flow field. The proposed new visualization technique based on QDs have the outstanding features as: the measurement system can obtain high spatial resolution original images of small-scale flow fields, the QDs has excellent tracing ability, the method can provide high accuracy experimental results, the temperature tendency and the emission features of QDs have high linearity, and so on. During the research period, the temperature dependency of the QDs was clarified and the combined temperature and velocity measurement method and theory for small-scale flow field based on QDs was established.

Report

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

    (3 results)

All 2018 2017 2016

All Presentation (3 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] Directed self assembly of colloidal particles for high aspect ratio bands2018

    • Author(s)
      Varun Lochab, Andrew Yee, Yanrong Li, Minami Yoda, A. Terrence Conlisk, and Shaurya Prakash
    • Organizer
      Hilton Head Workshop 2018: A Solid-State Sensors, Actuators and Microsystems Workshop
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Observations of the initial stages of colloidal band formation2017

    • Author(s)
      Yanrong LI, Yoshiyuki TAGAWA, Andrew YEE and Minami YODA
    • Organizer
      70th Annual Meeting of the APS Division of Fluid Dynamics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 量子ドットを用いた熱流体可視化計測―第1報LIF法による温度場の可視化―2016

    • Author(s)
      玉田泰庸、李艶栄、曹旭発、稲垣照美、染矢聡
    • Organizer
      可視化情報全国講演会
    • Place of Presentation
      茨城大学日立キャンパス
    • Year and Date
      2016-10-08
    • Related Report
      2016 Research-status Report

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

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