Takumi Sato - My portal

Profile Information

Affiliation: Japan Atomic Energy Agency

J-GLOBAL ID: 202101018660329340
researchmap Member ID: R000017854

Papers

Numerical simulation method using a Cartesian grid for oxidation of core materials under steam-starved conditions

Yamashita Susumu, Sato Takumi, Nagae Yuji, Kurata Masaki, Yoshida Hiroyuki

Journal of Nuclear Science and Technology, 60(9) 1029-1045, Sep, 2023 Peer-reviewed
Study on chemical interaction between UO$_{2}$ and Zr at precisely controlled high temperatures

Shirasu Noriko, Sato Takumi, Suzuki Akihiro*, Nagae Yuji, Kurata Masaki

Journal of Nuclear Science and Technology, 60(6) 697-714, Jun, 2023 Peer-reviewed
Thermodynamic analysis for solidification path of simulated ex-vessel corium

Sato Takumi, Nagae Yuji, Kurata Masaki, Quaini A.*, Gu\'eneau C.*

CALPHAD; Computer Coupling of Phase Diagrams and Thermochemistry, 79 102481\_1-102481\_11, Dec, 2022 Peer-reviewed
BWR lower head penetration failure test focusing on eutectic melting

Yamashita Takuya, Sato Takumi, Madokoro Hiroshi, Nagae Yuji

Annals of Nuclear Energy, 173 109129\_1-109129\_15, Aug, 2022 Peer-reviewed
Experimental evaluation of Sr and Ba distribution in ex-vessel debris under a temperature gradient

Sudo Ayako, Sato Takumi, Ogi Hiroshi, Takano Masahide

Journal of Nuclear Science and Technology, 58(4) 473-481, Apr, 2021 Peer-reviewed
Segregation behavior of Fe and Gd in molten corium during solidification progress

Sudo Ayako, Meszaros B.*, Poznyak I.*, Sato Takumi, Nagae Yuji, Kurata Masaki

Journal of Nuclear Materials, 533 152093\_1-152093\_8, May, 2020 Peer-reviewed
Fundamental study on segregation behavior in U-Zr-Fe-O system during solidification process

Sudo Ayako, Mizusako Fumiki*, Hoshino Kuniyoshi*, Sato Takumi, Nagae Yuji, Kurata Masaki

Nihon Genshiryoku Gakkai Wabun Rombunshi, 18(3) 111-118, Aug, 2019 Peer-reviewed

Misc.

Analysis of deposits inside the reactor at Fukushima Daiichi Nuclear Power Station in JFY2021; The Subsidy program of "Project of Decommissioning and Contaminated Water Management (Development of Analysis and Estimation Technology for Characterization of Fuel Debris)" starting FY2021

Ikeuchi Hirotomo, Sasaki Shinji, Onishi Takashi, Nakayoshi Akira, Arai Yoichi, Sato Takumi, Ohgi Hiroshi, Sekio Yoshihiro, Yamaguchi Yukako, Morishita Kazuki …

JAEA-Data/Code 2023-005, 418, Dec, 2023
Segregation of components of molten core oxidic materials using cold crucible induction heating technique (Joint research)

Sudo Ayako, M\'esz\'aros B.*, Sato Takumi, Nagae Yuji

JAEA-Research 2023-007, 31, Nov, 2023

Presentations

Clarification of debris formation conditions on the basis of the sampling data and experimental study using simulated fuel debris, 5; Damage behavior of lower plenum due to reaction with metallic debris

Sato Takumi, Shimomura Kenta, Nagae Yuji

日本原子力学会2024年春の年会
Clarification of debris formation conditions on the basis of the sampling data and experimental study using simulated fuel debris, 6; Evaluation of damage by reaction between metallic debris and structural materials in lower plenum

Nagae Yuji, Sato Takumi, Ito Ayumi*, Ueda Shigeru*

日本原子力学会2024年春の年会
Phenomenological damage behavior of BWR pressure vessel by reaction between metal debris and structural materials

Sato Takumi, Shimomura Kenta, Nagae Yuji

Materials Modelling and Simulation for Nuclear Fuel (MMSNF) Workshop 2023
Metal-rich debris formation by solid-liquid reaction in RPV during BWR severe accident progression, 3; Failure behavior of lower plenum due to reaction with metal-rich debris

Sato Takumi, Shimomura Kenta, Nagae Yuji

日本原子力学会2023年秋の大会
BWR lower plenum damage by reaction between metallic debris and structural materials

Sato Takumi, Shimomura Kenta, Nagae Yuji

7th International Forum on the Decommissioning of the Fukushima Daiichi Nuclear Power Station
Failure of BWR lower head due to reaction between molten metal and structural materials

Sato Takumi, Yamashita Takuya, Shimomura Kenta, Nagae Yuji

令和4年度福島研究開発部門成果報告会
Failure behavior of BWR lower head due to reaction with molten metallic materials

Sato Takumi, Yamashita Takuya, Shimomura Kenta, Nagae Yuji

International Topical Workshop on Fukushima Decommissioning Research (FDR2022)
Reaction behavior of BWR lower head structure and molten metals

Sato Takumi, Yamashita Takuya, Madokoro Hiroshi, Nagae Yuji

日本原子力学会2021年秋の大会
Development of solidification and segregation model for molten corium

Sato Takumi, Oikawa Katsunari*, Ueshima Nobufumi*, Nagae Yuji, Kurata Masaki

Fukushima Research Conference on Materials Science for Severe Accident and Fukushima Daiichi Decommissioning Workshop 2019
The Segregation behavior in U-Zr-Fe-O system during solidification process

Sudo Ayako, Mizusako Fumiki*, Hoshino Kuniyoshi*, Sato Takumi, Nagae Yuji, Kurata Masaki

Materials Science for Severe Accident and Fukushima Daiichi decommissioning WORKSHOP
Advanced multi-scale modeling and experimental tests on fuel degradation in severe accident conditions, 2-5; Development of solidification model

Sato Takumi, Oikawa Katsunari*, Ueshima Nobufumi*, Nagae Yuji, Kurata Masaki

日本原子力学会2019年春の年会
Fundamental study on the solidification morphology and segregation of Gd and Fe in simulated molten corium

Sudo Ayako, Poznyak I.*, Sato Takumi, Nagae Yuji, Kurata Masaki

日本原子力学会2019年春の年会
Numerical simulation of distribution of melt component in reactor

Sato Takumi, Hirata Naoya*, Oikawa Katsunari*, Nagae Yuji, Kurata Masaki

Nuclear Materials Conference 2018 (NuMat 2018)
Advanced multi-scale modeling and experimental tests on fuel degradation in severe accident conditions, 1-7; Development of solidification model

Sato Takumi, Hirata Naoya*, Oikawa Katsunari*, Nagae Yuji, Kurata Masaki

日本原子力学会2018年秋の大会
Advanced multi-scale modeling and experimental tests on fuel degradation in severe accident conditions, 1-8; Acquisition of experimental data for verification of solidification modeling

Sudo Ayako, Mizusako Fumiki*, Hoshino Kuniyoshi*, Sato Takumi, Nagae Yuji, Kurata Masaki

日本原子力学会2018年秋の大会
Numerical simulation of distribution of melt component in reactor

Sato Takumi, Hirata Naoya*, Oikawa Katsunari*, Nagae Yuji, Kurata Masaki

2nd TITECH-CRIEPI-JAEA Joint Workshop
Solidification behavior of the simulated oxide debris

Sudo Ayako, Mizusako Fumiki*, Hoshino Kuniyoshi*, Sato Takumi, Nagae Yuji, Kurata Masaki

2nd TITECH-CRIEPI-JAEA Joint Workshop