論文

• Anton Smirnov, Ekaterina Bogdanova, Pavel Pugachev, Ivan Saldikov, Georgy Tikhomirov, Hiroki Takezawa, Jun Nishiyama, Toru Obara. Monte Carlo codes benchmarking on sub-critical fuel debris particles system for neutronic analysis, Journal of Nuclear Science and Technology, Vol. 59, pp. 34-43, 2022.
• Hiroki Takezawa, Delgersaikhan Tuya, Toru Obara. Calculation of Transient Parameters of the Integral Kinetic Model with Delayed Neutrons for Space-dependent Kinetic Analysis of Coupled Reactors, Nuclear Science and Engineering, Vol. 195, pp. 1326-1246, July 2021.
• P.A. Pugachev, E.V. Bogdanova, I.S. Saldikov, A.D. Smirnov, M.Y. Ternovykh, G.V. Tikhomirov, H. Takezaw, T. Muramoto, J. Nishiyama, T. Obara. Visualization of neutron characteristics distribution of debris particles, Scientific Visualization, Vol. 12, No. 3, pp. 100-107, Sept. 2020.
• Anton D. Smirnov, Ekaterina V. Bogdanova, Pavel A. Pugachev, Ivan S. Saldikov, Mikhail Yu. Ternovykh, Georgy V. Tikhomirov, Hiroki Takezawa, Takeshi Muramoto, Jun Nishiyama, Toru Obara. Neutronic modeling of a subcritical system with corium particles and water (from international benchmark), Nuclear Energy and Technology, Vol. 6, No. 3, pp. 155-160, Sept. 2020.
• Delgersaikhan Tuya, Hiroki Takezawa, Toru Obara. Improved approach to multi-region supercritical transient analysis based on the integral kinetic model and Monte Carlo method, Nuclear Science and Engineering, Vol. 188, pp. 33-42, July 2017.
• Hiroki Takezawa, Toru Obara. Passive measure for preventing recriticality of fuel debris dust for defueling at Fukushima Daiichi nuclear power station, Journal of Nuclear Science and Technology, Vol. 53, No. 12, pp. 1960-1967, Apr. 2016.

国際会議発表 (査読有り)

• Hiroki Takezawa, Toru Obara. Preliminary analysis of GODIVA supercritical transient behaviors by using the Multi-region Integral Kinetic code including delayed neutron effect, The 12th International Conference on Nuclear Criticality Safety (ICNC2023), TR8, Oct. 2023.
• Hiroki Takezawa, Delgersaikhan Tuya, Toru Obara. Development of Integral Kinetic Model with Delayed Neutrons Effect for Criticality Accident Analysis of Fukushima Daiichi NPP Fuel Debris, Reactor Physics Asia Conference 2019 (RPHA19), Proc. of Reactor Physics Asia Conference 2019 (RPHA19), RPHA19-1085, Dec. 2019.
• Delgersaikhan Tuya, Toru Obara, Hiroki Takezawa. Kinetic Analysis of Weakly Coupled Fuel Debris by Integral Kinetic Model, American Nuclear Society 2015 Winter Meeting, Transactions of the American Nuclear Society, Vol. 113, pp. 1158-1160, Nov. 2015.
• Toru Obara, Delgersaikhan Tuya, Hiroki Takezawa. Fission Probability Density Functions for Kinetic Analysis in Weakly Coupled Fuel Debris, American Nuclear Society 2015 Winter Meeting, Transactions of the American Nuclear Society, Vol. 113, pp. 1150-1152, Nov. 2015.
• Toru Obara, Hiroki Takezawa, Delgersaikhan Tuya. PROMPT SUPERCRITICAL KINETIC ANALYSIS WITH NEUTRON COUPLING BETWEEN FUEL DEBRIS, International Conference on Nuclear Criticality Safety (ICNC2015), Proceedings of International Conference on Nuclear Criticality Safety (ICNC2015), American Nuclear Society, pp. 1431-1438, Sept. 2015.
• Toru OBARA, Hiroki Takezawa. Possibility of nuclear pumped laser experiment using low enriched uranium, The 3rd Internetional Conference on Advances in Nuclear Science and Engineering 2011 ICANSE2011, AIP Conference Proceedings Volume 1448, The 3rd Internetional Conference on Advances in Nuclear Science and Engineering 2011 ICANSE2011, pp. 25-29, 2012.

国内会議発表 (査読なし・不明)

• 竹澤宏樹, 小原 徹. 非接触測定法を用いた燃料デブリ臨界解析技術の高度化（６） 弱結合炉体系を用いた臨界影響解析手法の予備検証, 日本原子力学会2024年春の年会, 日本原子力学会2024年春の年会予稿集, 2L17, Mar. 2024.
• Hiroki Takezawa, Toru Obara. Preliminary verification of criticality impact analysis code applicable to weakly coupled systems including fuel debris particles, The 7th International Forum on Fukushima Daiichi NPS Decommissioning, C03, Aug. 2023.
• 竹澤宏樹, 小原徹. 非接触測定法を用いた燃料デブリ臨界解析技術の高度化（３）燃料デブリ弱結合炉体系臨界影響解析手法の高度化, 日本原子力学会2023年春の年会, 日本原子力学会2023年春の年会予稿集, 3K05, Mar. 2023.
• 小原徹, 西山潤, 村本武司, 文元太郎, 竹澤宏樹, Anton D. Smirnov, Ekaterina V. Bogdanova, Pavel A. Pugachev, Ivan S. Saldikov, Mikhail Yu. Ternovykh, Georgy V. Tikhomirov. 日露共同研究による燃料デブリ臨界安全解析, 日本原子力学会2021年春の年会, 日本原子力学会2021年春の年会予稿集, 2B02, Mar. 2021.
• Anton Smirnov, Ekaterina Bogdanova, Georgy Tikhomirov, Hiroki Takezawa, Jun Nishiyama, Toru Obara. Criticality calculations of fuel debris in various conditions during falling down, 2020 Annual meeting of Atomic Energy Society of Japan, Proc. of 2020 Annual meeting of Atomic Energy Society of Japan, 1I01, Mar. 2020.
• 竹澤 宏樹, 小原 徹. 燃料デブリダストの再臨界をパッシブに抑制する方法, 日本原子力学会2016年春の年会, 日本原子力学会2016年春の年会予稿集, 3E07, Mar. 2016.
• 竹澤宏樹, 小原 徹. 核励起レーザー発振用原子炉の研究；(XI)低濃縮ウランを用いた結合炉の空間依存動特性解析, 日本原子力学会2010年春の年会予稿集, H31, Mar. 2010.
• 竹澤宏樹, 小原 徹. 核励起レーザー発振用原子炉の研究；（X）積分型動特性モデルに基づく空間依存動特性解析の検証, 日本原子力学会2009年秋の大会予稿, F36, Sept. 2009.
• 竹澤宏樹, 小原 徹. 核励起レーザー発振用原子炉の研究；（VIII）積分型動特性モデルに基づく空間依存動特性解析, 日本原子力学会2009年春の年会予稿集, K06, Mar. 2009.
• 竹澤宏樹, 小原徹. 核励起レーザー発振用原子炉の研究；(V)パルス炉心レーザーモジュール結合体系時間依存結合係数の検証, 日本原子力学会2008年秋の大会予稿集, C20, Sept. 2008.
• 竹澤宏樹, 小原徹. 核励起レーザー発振用原子炉の研究（IV）；パルス炉心レーザーモジュール結合体系空間依存動特性方程式の解法, 日本原子力学会2007年秋の大会予稿集, D-16, Sept. 2007.
• 小原徹, 竹澤宏樹. 核励起レーザー発振用原子炉に関する研究；（III）パルス炉心レーザーモジュール結合体系の動特性解析手法の検討, 日本原子力学会2007年春の年会予稿集, D-4, Mar. 2007.

その他の論文・著書など

• 小原 徹, 西山 潤, 竹澤宏樹. JAEA-Review 2021-027,  燃料デブリ取出し臨界安全技術の高度化 -令和2年度 英知を結集した原子力科学技術・人材育成推進事業-, 日本原子力研究開発機構, Jan. 2022.  公式リンク  
  
• Delgersaikhan Tuya, Hiroki Takezawa, Toru Obara. MIK - Multi-region Integral Kinetic code, Version 1.0, MIK-multi-region integral kinetic code, version 1.0, Tokyo Institute of Technology, Dec. 2018.

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