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Investigation on the extension of flammable range and rapid heat transfer by the vortex flow and its application to the miniature power system

Research Project

Project/Area Number 15H05509
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Thermal engineering
Research InstitutionHiroshima University

Principal Investigator

Shimokuri Daisuke  広島大学, 工学研究科, 准教授 (40432687)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥24,570,000 (Direct Cost: ¥18,900,000、Indirect Cost: ¥5,670,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2015: ¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
Keywords次世代小型発電システム / 渦流燃焼 / 可燃範囲 / 熱伝達 / 小型発電システム / 熱工学 / 低消費電力・高エネルギー密度 / 渦流 / 可燃限界 / 限界火炎温度 / 渦流中での限界火炎温度 / レーザー計測 / 小型高出力発電器 / 熱電素子発電
Outline of Final Research Achievements

In this study, gaseous temperature measurements have been made on the flames propagating the vortex flow. It was found that the flame tip temperature is about 1200degC for various fuel/O2/inert mixture, which indicates that the extension of the flame propagation limits in the vortex flow is attributed to the flame temperature increase through the effects of Lewis number or pressure diffusion. The miniature power system has also developed utilizing the heat transfer enhancement by the vortex flow. As a result, over 20W output was obtained with miniature vortex combustion power system of 5^3cm3, which energy density attained 176mW/cm3. Furthermore, autonomous power system has been developed on which all electrical systems have been exerted by the part of generated power.

Report

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

    (14 results)

All 2017 2016 2015

All Journal Article (4 results) (of which Peer Reviewed: 2 results) Presentation (10 results) (of which Int'l Joint Research: 3 results,  Invited: 3 results)

  • [Journal Article] Development of a powerful miniature power system with a meso-scale vortex combustor2017

    • Author(s)
      Shimokuri, D., Taomoto, Y., and Matsumoto, R
    • Journal Title

      Proceedings of the combustion institute

      Volume: 36 Issue: 3 Pages: 4235-4242

    • DOI

      10.1016/j.proci.2016.06.180

    • Related Report
      2017 Annual Research Report 2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Laser measurement on oxy-fuel flame with optically accesible tubular flame burner2017

    • Author(s)
      Set Naing, D. Shimokuri
    • Journal Title

      The Japanese Society for Experimental Mechanics

      Volume: 17 Pages: 204-209

    • Related Report
      2017 Annual Research Report
  • [Journal Article] 渦流中での火炎の挙動2016

    • Author(s)
      下栗 大右
    • Journal Title

      ガスタービン学会誌

      Volume: 44 Pages: 81-87

    • Related Report
      2016 Annual Research Report
  • [Journal Article] Development of a small-scale power system with meso-scale vortex combustor and thermo-electric device2015

    • Author(s)
      Daisuke SHIMOKURI, Ryosuke MATSUMOTO
    • Journal Title

      Journal of Micromechanics and Microengineering

      Volume: 25 Issue: 10 Pages: 104004-104011

    • DOI

      10.1088/0960-1317/25/10/104004

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Presentation] Autonomous Power System Using Small Scale Vortex Combustor2017

    • Author(s)
      Daisuke SHIMOKURI
    • Organizer
      Power MEMS 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Development of Powerful Miniature System with Heat Transfer Controlled Vortex Combustor and Thermo Electric Device2017

    • Author(s)
      Daisuke SHIMOKURI
    • Organizer
      Power MEMS 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 小型渦流燃焼発電システムにおける伝熱の制御による高効率化2017

    • Author(s)
      垰本 優樹
    • Organizer
      第55回燃焼シンポジウム
    • Related Report
      2017 Annual Research Report
  • [Presentation] 渦流を用いた小型燃焼器による小型高出力発電システムの開発(第3報)2016

    • Author(s)
      垰本 優樹,下栗 大右,佐藤 浩之,横尾 直樹,松本 亮介
    • Organizer
      第54回燃焼シンポジウム
    • Place of Presentation
      宮城
    • Year and Date
      2016-11-23
    • Related Report
      2016 Annual Research Report
  • [Presentation] 渦流燃焼器による小型発電システムの開発2016

    • Author(s)
      垰本 優樹,下栗 大右,松本 亮介
    • Organizer
      第53回日本伝熱シンポジウム
    • Place of Presentation
      大阪
    • Year and Date
      2016-05-24
    • Related Report
      2016 Annual Research Report
  • [Presentation] 渦流燃焼器による小型発電システムの開発(第2報)2016

    • Author(s)
      垰本優樹,下栗大右,松本亮介
    • Organizer
      第53回日本伝熱シンポジウム
    • Place of Presentation
      大阪府立国際会議場
    • Year and Date
      2016-05-24
    • Related Report
      2015 Annual Research Report
  • [Presentation] 小型渦流燃焼器による高出力発電システムの開発2016

    • Author(s)
      下栗大右
    • Organizer
      関西大学先端科学技術シンポジウム
    • Place of Presentation
      関西大学吹田キャンパス
    • Year and Date
      2016-01-21
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] 小型燃焼器による発電システム2016

    • Author(s)
      垰本 優樹,下栗 大右
    • Organizer
      第5回超燃焼基盤技術に関する研究会
    • Place of Presentation
      名古屋
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] Development of a miniature power source with a meso-scale vortex combustor and thermo-electric devices2015

    • Author(s)
      Daisuke SHIMOKURI, Ryosuke MATSUMOTO
    • Organizer
      10th Asia Pacific Conference on Combustion
    • Place of Presentation
      Jiuhua Resort & Convention Center (Beijin, China)
    • Year and Date
      2015-07-19
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 渦流燃焼器による小型発電システムの開発2015

    • Author(s)
      下栗大右,松本亮介
    • Organizer
      第52回日本伝熱シンポジウム
    • Place of Presentation
      福岡国際会議場
    • Year and Date
      2015-06-03
    • Related Report
      2015 Annual Research Report

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

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