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Creation of micro droplet collider and application to fluid and chemical operations

Research Project

Project/Area Number 23651135
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Microdevices/Nanodevices
Research InstitutionThe University of Tokyo

Principal Investigator

MAWATARI Kazuma  東京大学, 大学院・工学系研究科, 准教授 (60415974)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2011: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsマイクロ流体 / ラプラス圧 / 液滴発射 / 液滴衝突 / 流体操作 / 液滴 / 衝突 / マイクロ化学チップ / 化学反応
Research Abstract

In this research, a droplet in air is accelerated to more than 10m/s and collided with another droplet by developing new fluidic control methods for focusing the kinetic energy to the collision at the droplet surface and inducing new chemical reactions. The microscale droplet was prepared using Laplace pressure induced by partial hydrophobic surface modification. The droplet was converted to ice phase by partial temperature control. The ice was fixed at the low temperature area and adhered to the wall. The air pressure applied was increased to 400kPa, and the droplet was shot by overcoming the adhering force. As a result, the droplet was accelerated to 20 m/s.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (4 results)

All 2012 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results)

  • [Journal Article] Ice Droplet Collider: Ultimate Acceleration Of Droplet Using Microscale Phase Transition For Chemical Reaction By Kinetic Energy2012

    • Author(s)
      Takumi Matsuno, Yutaka Kazoe, Kazuma Mawatari, Takehiko Kitamori
    • Journal Title

      Prodeedings of TAS (peer-reviewed and50% acceptance)

      Pages: 872-874

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ice Droplet Collider: Ultimate Acceleration Of Droplet Using Microscale Phase Transition For Chemical Reaction By Kinetic Energy2012

    • Author(s)
      Takumi Matsuno
    • Journal Title

      Proceedings of Micro Total Analysis System 2012

      Volume: なし Pages: 872-874

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Presentation] Ice Droplet Collider: Ultimate Acceleration Of Droplet Using Microscale Phase Transition For Chemical Reaction By Kinetic Energy2012

    • Author(s)
      Kazuma Mawatari
    • Organizer
      uTAS2012
    • Place of Presentation
      Okinawa Convention Center
    • Related Report
      2012 Annual Research Report
  • [Presentation] Ice Droplet Collider: Ultimate Acceleration Of Droplet Using Microscale Phase Transition For Chemical Reaction By Kinetic Energy

    • Author(s)
      Takumi Matsuno, Yutaka Kazoe, Kazuma Mawatari, Takehiko Kitamori
    • Organizer
      TAS2012
    • Place of Presentation
      Okinawa convention center
    • Related Report
      2012 Final Research Report

URL: 

Published: 2011-08-05   Modified: 2019-07-29  

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