研究業績

雑誌論文・国際会議論文

2024年

• "Experimental study on effect of inert gas dilution for flammability of NH3/O2 mixtures"
  Tomohiko Imamura, Yuma Nakamura, Ko-ichiro Hayashi, Daiki Hosaka, Jun-ichi Suematsu
  Proceedings of Combustion Institute 40, 105308 (2024).

  • DOI: 10.1016/j.proci.2024.105308

2023年

• "Experiment on Vacuum Suction Extinction to Flame Propagating along Thin PE-Insulated Wire"
  Tomohiko IMAMURA, Tomohiro ISOGAI, Yuta TOKUDA
  Asia Pacific Symposium on Safety 2023 (APSS2023) (2023).
• "Experimental Study on Ignitability of R290/Air Premixture by an Arc Discharge at the Gap of Electric Contacts"
  Tomohiko IMAMURA
  Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers 40, 4, 193-204 (2023).
• "Critical Ignition Conditions for Propane/Air Premixtures Impinging on Electric Heated Surfaces: An Experimental Study"
  Tomohiko IMAMURA, Haruki SAKUMA, Masato NAKAZAWA, Kazunori KUWANA
  Fire Safety Journal 140, 103897 (2023).
• "Relationship between Transient Characteristics of Burning Velocity Just After Ignition and Quenching Distance"
  Jun-ichi SUEMATSU, Tomohiko IMAMURA
  The 29th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS2023), Paper ID: 340 (2023).
• "Experimental Study on Laser-Induced Spark Ignition of Some Flammable Premixtures"
  Tomohiko IMAMURA, Norimichi MORIZUMI, Yuki MIYAZAKI
  The 29th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS2023), Paper ID: 287, Accepted with Peer-review (2023).

2022年

• "低流速で流動するプロパン／空気予混合気の消炎距離"
  今村友彦，末松潤一，柳弘也
  安全工学 61, 3, 193-200 (2022).

2021年

• "Quasi-Steady Characteristics of Flowing Propane/Air Mixture Ignited by a Heated Surface"
  Tomohiko Imamura, Kosuke Uehara, Keita Nakata, Shoya Maruyama, Kazunori Kuwana
  Fire Safety Journal 120, 101325 (2021).
• "Critical Condition of Ignition for a Stagnation Flow of Premixed Propane/Air Mixture Impinging to a Heated Surface"
  Tomohiko Imamura, Sensho Oh, Yasuyuki Maejima, Yudai Suzuki, Norikazu Takeda, Masato Nakazawa, Kazunori Kuwana
  Proceedings of AOSFST2021 (2021).
• "Quenching Distance of Flowing Premixed Propane/Air Mixture with Comparatively Low-Velocity"
  Tomohiko Imamura, Jun-ichi Suematsu, Hiroya Yanagi, Teppei Kawai, Soushi Shimada
  Proceedings of AOSFST2021 (2021).
• "Experimental Evaluation on Ignition Sources of Hydrocarbon Refrigerant"
  Tomohiko Imamura
  Proceedings of The International Symposium on New Refrigeants and Environmental Technology 2020 (2021).

2020年

• "加熱壁面に衝突する予混合淀み流の着火条件"
  飯塚洋行，桑名一徳，今村友彦
  日本火災学会論文集 70, 1, 1-8 (2020).
• "可燃性予混合気の熱面着火の相似則－加熱壁面に衝突する淀み流の場合－"
  桑名一徳，今村友彦
  実験力学 20, 4, 254-257 (2020).

2019年

• "Ignition Behavior of Flowing Propane by a Hot Surface"
  Proceedings of Asia Pacific Symposium on Safety 2019, 1185-1193 (2019).

2018年

• "Influence of Initial Humidity on the Flame Propagation Rate of LPG/Air and LPG/O2/N2 Mixtures"
  Tomohiko Imamura, Masaya Ohtsuki, Shota Kumata, Yuki Furuya, Reito Ohno, Akira Tanaka and Akira Kawaguchi
  Proceedings of AOSFST2018 (2018).
• "Physical Hazard Assessment for Natural Refrigerant Assuming Application to the Room Air Conditioner"
  Tomohiko Imamura, Hiroyuki Takahashi, Shuhei Maejima, Osami Sugawa
  Proceedings of The International Symposium on New Refrigeants and Environmental Technology 2018 (2018).

2017年

• "Full-scale experiment to evaluate the combustion hazard of refrigerants with low global-warming potential in a conceivable accident scenario"
  Tomohiko Imamura, Yasutaka Yoshida, Yoshinari Ohta, Koji Naito, Osami Sugawa
  International Journal of Refrigeration 82, 461-469 (2017).

2016年

• "微燃性冷媒の安全性評価"
  藤本悟，平良繁治，滝澤賢二，今村友彦，党超鋲
  日本冷凍空調学会論文集 33, 1, 1-12 (2016).
• "Experimental evaluation of the possibility of ignition and flame propagation in accumulated difluoromethane (R32) from a kerosene cigarette lighter"
  Tomohiko Imamura, Takuro Sano, Kazutaka Yuzawa, Osami Sugawa
  Journal of Loss Prevention in the Process Industries 43, 29-34 (2016).

2015年

• "Ignition hazard evaluation on A2L refrigerants in situations of service and maintenance"
  Tomohiko Imamura, Kyoko Kamiya, Osami Sugawa
  Journal of Loss Prevention in the Process Industries 36, 555-563 (2015).

2014年

• "Modeling and analysis of water discharge trajectory with large capacity monitor"
  Tatsuya Miyashita, Osami Sugawa, Tomohiko Imamura, Kyoko Kamiya, Yasuo Kawaguchi
  Fire Safety Journal 63, 1-8 (2014).

2013年

• "A2L冷媒滞留雰囲気下における市販電子ライターでの着火危険性評価"
  今村友彦，宮下達也，上矢恭子，須川修身
  安全工学 52, 2, 91-98 (2013).
• "Flame Behaviour on a Plane Slope Ground"
  Tomohiko Imamura, Osami Sugawa, Kyoko Kamiya
  Proceedings of the Seventh International Seminar on Fire and Explosion Hazards, 543-552 (2013).
• "Experimental Study on Ignition Hazards of Leaked A2L Refrigerant from a Pinhole"
  Tomohiko Imamura, Takanori Morimoto, Yuta Yamazaki, Kyoko Kamiya, Hiroyuki Mitsuishi, Osami Sugawa
  Proceedings of Asia Pacific Symposium on Safety 2013 (2013).

2012年

• "微燃性冷媒搭載空調機器と化石燃料系暖房機器の同時使用時におけるフィジカルハザード評価"
  今村友彦，宮下達也，上矢恭子，森本崇徳，須川修身
  日本冷凍空調学会論文集 29, 4, 401-411 (2012).

2011年

• "Flame Height of a Turbulent Diffusion Jet Flame with a Comparatively High Initial Discharging Velocity"
  Tomohiko Imamura, Osami Sugawa, Kyoko Kamiya, Yasushi Oka, Toshimitsu Suzuki, Yutaka Yamamoto
  Fire Science and Technology 29, 1, 15-26 (2011).

2010年

• "Experimental Safety Evaluation on Flammability of R32 Refrigerant"
  Ryuzaburo Yajima, Michio Moriwaki, Osami Sugawa, Tomohiko Imamura
  23rd IIR International Congress of Refrigeration 23 (2010).

2009年

• "Control of the ignition possibility of hydrogen by electrostatic discharge at a ventilation duct outlet"
  Tomohiko Imamura, Toshio Mogi, Yuji Wada
  International Journal of Hydorgen Energy 34, 6, 2815-2823 (2009).

2008年

• "ダストを含む水素ガス噴出時の噴出系統での帯電特性の考察"
  今村友彦，茂木俊夫，堀口貞茲，小野亮
  安全工学 47, 2, 77-83 (2008).
• "Experimental investigation on the thermal properties of hydrogen jet flame and hot currents in the downstream region"
  Tomohiko Imamura, Shota Hamada, Toshio Mogi, Yuji Wada, Sadashige Horiguchi, Atsumi Miyake, Terushige Ogawa
  International Journal of Hydorgen Energy 33, 13, 3426-3435 (2008).
• "Correlation of temperature rise and velocity along an inclined fire plume axis in crosswinds"
  Yasushi Oka, Osami Sugawa, Tomohiko Imamura
  Fire Safety Journal 43, 6, 391-400 (2008).

2005年

• "横風の影響を受けた火災プリュームトラジェクトリーのモデル化"
  岡泰資，須川修身，今村友彦，武石吉生，本間正彦
  日本火災学会論文集 55, 2, 49-56 (2005).
• "横風の影響を受けた火災プリューム幅に関する実験的研究"
  今村友彦，岡泰資，須川修身，武石吉生，小川輝繁
  日本火災学会論文集 55, 2, 41-47 (2005).

2003年

• "Effect of cross-winds to apparent flame height and tilt angle from several kinds of fire source"
  Yasushi Oka, Osami Sugawa, Tomohiko Imamura, Yoshiyuki Matsubara
  Proceedings of 7th International Symposium on Fire Safety Science, 915-926 (2003).