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Dobashi Ritsu  土橋 律

ORCIDConnect your ORCID iD *help
… Alternative Names

DOBASHI Ritsu  土橋 律

DOBASHI Tistu  土橋 律

土橋 律  ドバシ リツ

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Researcher Number 30237177
Other IDs
External Links
Affiliation (Current) 2025: 東京理科大学, 創域理工学研究科国際火災科学専攻, 教授
Affiliation (based on the past Project Information) *help 2016 – 2021: 東京大学, 大学院工学系研究科(工学部), 教授
2012 – 2015: 東京大学, 工学(系)研究科(研究院), 教授
2011: 東京大学, 大学院・工学系研究科, 教授
2010: 東京大学, 大学院・工学系・研究科, 教授
2008 – 2010: 東京大学, 工学系研究科, 教授 … More
2002 – 2004: 東京大学, 大学院・工学系研究科, 助教授
1998: The University of Tokyo, Graduate School of Engineering, Associate Professor, 大学院・工学系研究科, 助教授
1997: 東京大学, 大学院・工学研究科, 助手
1995 – 1997: 東京大学, 大学院・工学系研究科, 助手
1991 – 1992: 東京大学, 工学部, 助手 Less
Review Section/Research Field
Principal Investigator
社会システム工学 / Social systems engineering/Safety system / Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields / Social systems engineering/Safety system / 社会システム工学
Except Principal Investigator
社会システム工学 / 化学工学一般 / Social systems engineering/Safety system / 社会システム工学
Keywords
Principal Investigator
高速度撮影 / 安全 / 火炎伝ぱ / 粉じん爆発 / ガス爆発 / 火炎挙動 / 火炎伝ぱ機構 / 微小粒子 / 水素 / 自己相似 … More / 影響度評価 / 不安定性 / 爆発影響度評価 / 水素安全 / HIGH SPEED PHOTOGRAPH / DIAMETER DISTRIBUTION / SAFETY / FLAME PROPAGATION / IGNITION / COMBUSTIBLE POWDER / DUST EXPLOSION / 高度度撮影 / 燃焼モデル / 粒径分布 / 着火 / 可燃性粉体 / 火炎不安定性 / 爆発限界 / 数値流体計算 / 大規模詳細反応機構 / 燃焼爆発 / 安全工学 / 繊維 / 熱分解 / 炭化 / 火災 / 燃え拡がり / 高分子材料 / 高速度シュリーレン写真 / 予混合伝ぱ火炎 / 選択拡散 / 火炎面の乱れ … More
Except Principal Investigator
Thermal diffusion / Heterogeneous system / Flame structure / Ignition / Flame propagation / Combustible droplet / Combustible dust / Combustible mixture / 熱拡散 / 不均質系 / 火炎構造 / 着火 / 火炎伝ぱ / 可燃性液滴 / 可燃性粉じん / 可燃性混合気 / I-MAX Method / Laser Doppler Method / Particle Diameter Measurement / Temperature Gradient / Fine Particle / Thermophoresis / I-MAX法 / レーザードップラー法 / 粒径測定 / 温度勾配 / 微粒子 / 熱泳動 / サーモフォレシス / 組織の健全性 / 組織行動 / 経営システム / 安全システム / 耐熱性 / 被覆材料 / 火災 / 光通信 / 光ファイバ Less
  • Research Projects

    (10 results)
  • Research Products

    (36 results)
  • Co-Researchers

    (21 People)
  •  Development of Advanced Explosion Safety Technology for Hydrogen SystemPrincipal Investigator

    • Principal Investigator
      Dobashi Ritsu
    • Project Period (FY)
      2018 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields
    • Research Institution
      The University of Tokyo
  •  ナノサイズ粉じんの爆発における火炎伝ぱ機構の解明Principal Investigator

    • Principal Investigator
      土橋 律
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Research Field
      Social systems engineering/Safety system
    • Research Institution
      The University of Tokyo
  •  Scientific Principle on Risk Analysis of Gas ExplosionsPrincipal Investigator

    • Principal Investigator
      DOBASHI Ritsu
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Social systems engineering/Safety system
    • Research Institution
      The University of Tokyo
  •  Development for diagnostic check system on「 Operation and Management」 of organization

    • Principal Investigator
      KOYAMA Fujio
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Social systems engineering/Safety system
    • Research Institution
      The University of Tokyo
  •  SCIENTIFIC ANALYSIS OF DUST EXPLOSION PHENOMENAPrincipal Investigator

    • Principal Investigator
      DOBASHI Tistu
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      社会システム工学
    • Research Institution
      The University of Tokyo
  •  Ignition and Flame Propagation in Combustible Mixtures

    • Principal Investigator
      HIRANO Toshisuke
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for international Scientific Research
    • Research Field
      社会システム工学
    • Research Institution
      The University of Tokyo
  •  高分子材料の燃え拡がりに関する研究Principal Investigator

    • Principal Investigator
      土橋 律
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      社会システム工学
    • Research Institution
      The University of Tokyo
  •  Analysis of Thermophoretic Effect by Means of Phase Doppler Method

    • Principal Investigator
      HIRANO Toshisuke
    • Project Period (FY)
      1995 – 1997
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      化学工学一般
    • Research Institution
      The University of Tokyo
  •  ガス爆発時の火炎挙動Principal Investigator

    • Principal Investigator
      土橋 律
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      社会システム工学
    • Research Institution
      The University of Tokyo
  •  光ファイバの加熱時における被覆材料物性の通信特性におよぼす影響

    • Principal Investigator
      HIRANO Toshisuke
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      社会システム工学
    • Research Institution
      The University of Tokyo

All 2021 2019 2017 2016 2015 2014 2013 2012 2005 2004 2003 Other

All Journal Article Presentation

  • [Journal Article] Flame acceleration and blast wave of H2?O2?N2?Ar mixtures in unconfined areas2021

    • Author(s)
      Yaguchi Jun、Kim Wookyung、Mogi Toshio、Dobashi Ritsu
    • Journal Title

      International Journal of Hydrogen Energy

      Volume: 46 Issue: 23 Pages: 12329-12337

    • DOI

      10.1016/j.ijhydene.2020.06.046

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18H03822
  • [Journal Article] 粉塵爆発下限濃度付近の燃焼挙動の検討2021

    • Author(s)
      桑名一徳,金佑勁,茂木俊夫,土橋律
    • Journal Title

      安全工学

      Volume: 60 Pages: 101-108

    • NAID

      130008024872

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18H03822
  • [Journal Article] Flame propagation behaviours in nano-metal dust explosions2017

    • Author(s)
      Gao Wei、Zhang Xinyan、Zhang Dawei、Peng Qingkui、Zhang Qi、Dobashi Ritsu
    • Journal Title

      Powder Technology

      Volume: 321 Pages: 154-162

    • DOI

      10.1016/j.powtec.2017.08.013

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15F15053
  • [Journal Article] Effects of particle size distributions on PMMA dust flame propagation behaviors2017

    • Author(s)
      Zhang Xinyan、Yu Jianliang、Gao Wei、Zhang Dawei、Sun Jinhua、Guo Song、Dobashi Ritsu
    • Journal Title

      Powder Technology

      Volume: 317 Pages: 197-208

    • DOI

      10.1016/j.powtec.2017.05.001

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15F15053
  • [Journal Article] Self-Similar Propagation of Expanding Spherical Flames in Large Scale Gas Explosions2015

    • Author(s)
      Woo Kyung Kim, Toshio Mogi, Kazunori Kuwana, Ritsu Dobashi
    • Journal Title

      Proceedings of the Combustion Institute

      Volume: 35 Issue: 2 Pages: 2051-2058

    • DOI

      10.1016/j.proci.2014.08.023

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Journal Article] 大規模ガス爆発における水素/空気混合気中の球状伝ぱ火炎の加速現象2014

    • Author(s)
      金佑勁,茂木俊夫,桑名一徳,土橋律
    • Journal Title

      日本燃焼学会誌

      Volume: 56 Pages: 74-79

    • NAID

      130006320704

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Journal Article] Effect of Propagation Behavior of Expanding Spherical Flames on the Blast Wave Generated during Unconfined Gas Explosions2014

    • Author(s)
      Woo-Kyung Kim, Toshio Mogi, Ritsu Dobashia
    • Journal Title

      Fuel

      Volume: 128 Pages: 396-403

    • DOI

      10.1016/j.fuel.2014.02.062

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Journal Article] Fundamental study on accidental explosion behavior of hydrogen-air mixtures in an open space2013

    • Author(s)
      Woo-Kyung Kim, Toshio Mogi, Ritsu Dobashi
    • Journal Title

      International Journal of Hydrogen Energy

      Volume: 38 Issue: 19 Pages: 8024-8029

    • DOI

      10.1016/j.ijhydene.2013.03.101

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Journal Article] 閉空間におけるガス爆発時の圧力挙動の予測手法に関する研究2013

    • Author(s)
      西村育人,今村友美,茂木俊夫,土橋律
    • Journal Title

      安全工学

      Volume: 52 Pages: 34-40

    • NAID

      10031154860

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Journal Article] Flame Acceleration in Unconfined Hydrogen/Air Deflagrations by Using Infrared Photography2013

    • Author(s)
      Woo-Kyung Kim, Toshio Mogi, Ritsu Dobashi
    • Journal Title

      Journal of Loss Prevention in the Process Industries

      Volume: 26 Issue: 6 Pages: 1501-1505

    • DOI

      10.1016/j.jlp.2013.09.009

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Journal Article] Mechanisms of flame propagation in combustible dusts2005

    • Author(s)
      R.DOBASHI
    • Journal Title

      Proc.of the Second International Conference Fire Bridge 2005 (CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] Mechanisms of flame propagation in combustible dusts2005

    • Author(s)
      R.DOBASHI
    • Journal Title

      Proc.of the Second International Conference Fire Bridge 2005

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] Study on Flame Propagation Mechanisms during Dust Explosions2004

    • Author(s)
      R.DOBASHI, K.SENDA
    • Journal Title

      Proc.of the 11th International Symposium Loss Prevention and Safety Promotion in the Process Industries Paper No.0933

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] 有機物粉塵雲中における火炎伝播挙動の解明2004

    • Author(s)
      圓井道也, 土橋律
    • Journal Title

      第37回安全工学研究発表会講演予稿集

      Pages: 137-140

    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] Study on Flame Propagation Mechanisms during Dust Explosions2004

    • Author(s)
      R.DOBASHI, K.SENDA
    • Journal Title

      Proc.of the 11th International Symposium Loss Prevention and Safety Promotion in the Process Industries paper No.0933

    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] Detailed Analysis of Flame Propagation during Dust Explosions by UV Band Observations2004

    • Author(s)
      R.DOBASHI, M.MARUI, K.SENDA
    • Journal Title

      Proc.of the Fifth International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions

      Pages: 81-86

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] Mechanism of Flame Propagation through Organic Particle Clouds (in Japanese)2004

    • Author(s)
      M.MARDI, R.DOBASHI
    • Journal Title

      Proc.of Annual Symposium of Japan Society for Safety Engineering 2004

      Pages: 137-140

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] 有機粉塵雲中における火炎伝播挙動の解明2004

    • Author(s)
      圓井道也, 土橋律
    • Journal Title

      第37回 安全工学研究発表会講演予稿集

      Pages: 137-140

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] Study on flame propagation mechanism during dust explosions (in Japanese)2003

    • Author(s)
      R.DOBASHI, K.SENDA
    • Journal Title

      Proc.of JAFSE Annual Symposium 2003

      Pages: 434-437

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Journal Article] 粉じん爆発時の火炎伝ぱ機構の解明2003

    • Author(s)
      土橋律, 千田和也
    • Journal Title

      平成15年度 日本火災学会 研究発表会概要集

      Pages: 434-437

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14580473
  • [Presentation] 粉塵爆発の連続体モデル:1 次元定常伝播に及ぼす重力の影響2021

    • Author(s)
      桑名一徳,矢崎成俊,金佑勁,茂木俊夫,土橋律
    • Organizer
      第59回燃焼シンポジウム
    • Data Source
      KAKENHI-PROJECT-18H03822
  • [Presentation] An experimental study of propagating spherical flames in unconfined hydrogen-oxygen explosions2021

    • Author(s)
      A. Shiotani, W. Kim, T. Mogi, R. Dobashi
    • Organizer
      9th International Conference on Hydrogen Safety
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H03822
  • [Presentation] Development of theoretical model for explosion safety of hydrogen system2019

    • Author(s)
      W. Kim, T. Mogi, K. Kazunori, R. Dobashi
    • Organizer
      KIFSE2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H03822
  • [Presentation] 水素のガス爆発において体積膨張率が火炎の加速挙動に及ぼす影響2019

    • Author(s)
      矢口 純、金 佑勁 、茂木 俊夫 、土橋 律
    • Organizer
      第57回燃焼シンポジウム
    • Data Source
      KAKENHI-PROJECT-18H03822
  • [Presentation] Flame propagation in nano-metal dust explosions2017

    • Author(s)
      Wei Gao, Mingshu Bi, Toshio Mogi & Ritsu Dobashi
    • Organizer
      26th International Colloquium on the Dynamics of Explosions and Reactive Systems
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15F15053
  • [Presentation] Combustion behaviors of Nano-metal particles in dust explosions.2016

    • Author(s)
      Wei Gao, Toshio Mogi & Ritsu Dobashi
    • Organizer
      第54回燃焼シンポジウム
    • Place of Presentation
      仙台、仙台国際センター
    • Year and Date
      2016-11-23
    • Data Source
      KAKENHI-PROJECT-15F15053
  • [Presentation] Flame propagation behaviours in micron- and nano-titanium dust explosions.2016

    • Author(s)
      Wei Gao, Xinyan Zhang, Jianliang Yu, Libin Wang, Lian Peng, Ke Ji & Ritsu Dobashi
    • Organizer
      The 8th International Seminar on Fire and Explosion Hazard
    • Place of Presentation
      Hefei, China
    • Year and Date
      2016-04-25
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15F15053
  • [Presentation] Scale effects on cellular instability generated on propagating flames2013

    • Author(s)
      Wookyung Kim, Toshio Mogi, Kazunori Kuwana, Ritsu Dobashi
    • Organizer
      Seventh International Symposium on Scale Modeling
    • Place of Presentation
      Hirosaki University, Hirosaki
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] 大規模ガス爆発における球状伝ぱ火炎の自己相似的な伝ぱ挙動2013

    • Author(s)
      金佑勁,茂木俊夫, 佐藤実, 桑名一徳, 土橋 律
    • Organizer
      第51回燃焼シンポジウム
    • Place of Presentation
      大田区産業プラザPiO, 東京
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] An Experimental Study on the Self-Acceleration of Expanding Spherical Flames in Large-scale Unconfined Hydrogen Explosions2013

    • Author(s)
      Wookyung Kim, Toshio Mogi, Kazunori Kuwana, Ritsu Dobashi
    • Organizer
      The Seventh International Seminar on Fire & Explosion Hazards
    • Place of Presentation
      Providence, United States
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] An Experimental Study on the Self-Acceleration of Expanding Spherical Flames in Large-scale Unconfined Hydrogen Explosions2013

    • Author(s)
      Wookyung Kim, Toshio Mogi, Kazunori Kuwana, Ritsu Dobashi
    • Organizer
      7th International Seminar on Fire & Explosion Hazards
    • Place of Presentation
      Providence, USA
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] Flame Acceleration in Unconfined Hydrogen/air deflagrations by using infrared photography2012

    • Author(s)
      Woo-Kyung Kim, Toshio Mogi, Ritsu Dobashi
    • Organizer
      9th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions
    • Place of Presentation
      Cracow, Poland
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] 自発的乱れによる火炎伝ぱの加速現象が爆風圧に及ぼす影響2012

    • Author(s)
      金佑勁,茂木俊夫,土橋律
    • Organizer
      第50回燃焼シンポジウム
    • Place of Presentation
      名古屋,愛知県産業労働センターウインクあいち
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] 開放空間における火炎伝ぱの加速現象に関する研究2012

    • Author(s)
      金佑勁,茂木俊夫,土橋律
    • Organizer
      第45回安全工学研究発表会
    • Place of Presentation
      東京,女性就業支援センター
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] 容器破壊を伴うガス爆発から発生する爆風の強度に及ぼす燃料条件の影響

    • Author(s)
      松永知之、茂木俊夫、土橋律
    • Organizer
      平成26年度衝撃波シンポジウム
    • Place of Presentation
      ホテル天坊、渋川
    • Year and Date
      2015-03-09 – 2015-03-11
    • Data Source
      KAKENHI-PROJECT-23241051
  • [Presentation] 閉囲空間内ガス爆発から生じる爆風の強度に及ぼす空間内圧力と燃焼速度の影響

    • Author(s)
      松永知之、茂木俊夫、土橋律
    • Organizer
      第52回燃焼シンポジウム
    • Place of Presentation
      岡山コンベンションセンター、岡山
    • Year and Date
      2014-12-03 – 2014-12-05
    • Data Source
      KAKENHI-PROJECT-23241051
  • 1.  HIRANO Toshisuke (70007615)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 2.  KUWANA Kazunori (30447429)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 8 results
  • 3.  MOGI Toshio (50392668)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 21 results
  • 4.  KOSHI Mitsuo (20133085)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  KOYAMA Fujio (50436565)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  KARIMA Risuke (50281308)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  MIURA Ryuuichi (00322074)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  IIMOTO Takeshi (80302678)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  HAYASHI Rumiko (50508421)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  TOMITA Kengo (70422459)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  TERASHIMA Hiroshi (20415235)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  ISHIZUKA Satoru (70129162)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  SUZUKI Masataro (10282576)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  鶴田 俊 (90197773)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  KIM WOOKYUNG (40781852)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 16.  GIERAS M.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  GLINKA Wieslaw
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  WOKANSKI Piotr
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  GLINKA Wiesl
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  WOLANKSI Pio
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  GAO WEI
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 15 results

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