Introduction of Cooperative Major in Nuclear Energy (CMNE) of … · 2020-01-29 · a High Breeding Fast Reactor Cooled by Supercritical Pressure Light Water",Journal of Nuclear Engineering

Introduction of Cooperative Major in Nuclear Energy (CMNE) of Waseda University and

Research on Reactor Engineering and Other Studies at CMNE

Akifumi YAMAJI, Director, CMNE

Waseda university

Waseda University• Most popular Univ. in Japan (est. 1882)• Located in the central Tokyo• Reputation for fostering CEOs of international companies• Facts (as of 2017)

– 41,965 undergraduates– 8,256 postgraduates– 5,622 international students – 1,870 faculties

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Number of International Students

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https://www.waseda.jp/inst/cie/center/data

Countries and Regions As of May 1, 2019

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https://www.waseda.jp/inst/cie/center/data

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Where We Are 6

Imperial Palace

Science & Eng.

Shinjuku

Faculty of Science and Engineering• 7,983 undergraduates, 3,066 postgraduates• 491 professors and assistants• 3 Schools/graduate schools, in total of 17 departments

– Fundamental Science and Engineering– Creative Science and Engineering– Advanced Science and Engineering

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(as of May 2015)

Comprehensive collaboration agreement signed between JAEA, Waseda University and Tokyo City

University

Reactor and fuel cycle experiments are held at JAEA (Japan Atomic Energy Agency) facilities

Cooperative Major in Nuclear Energy • Established in April 2010 in collaboration with Tokyo City University (TCU)• Admissions to Waseda University

– 15 master course students / year– 4 doctor course students / year– Admissions examinations conducted at each university

• Lectures (Master course)– Lectures given by professors from both Waseda and TCU– Proficiency in Japanese required

• Research (Master and Doctor courses)– Principal research activities and supervisions separately conducted under

each university– Peer reviews jointly conducted

9Annual symposium with the industryJoint review with TCU

Research Fields

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Professors of Waseda University CMNE

Akifumi Yamaji Masahiro Furuya

Masakazu WashioYoshimichi Ohkihttp://www.f.waseda.jp/washiom/Accelerator science, radiation physics, radiation chemistry, radiation engineering, Dept. of Applied Physics

http://www.f.waseda.jp/yohki/Electrical insulating materials, dielectrics, ion engineeringDept. of Electrical Engineering and Bioscience

http://www.f.waseda.jp/akifumi.yamaji/Advanced reactor design, core physics, nuclear safety and severe accidents, computational physics, fuel modelingE-mail:[email protected]. of Applied Physics

http://www.aoni.waseda.jp/furuya/Reactor thermal-hydraulics, heat transfer, reactor safety, measurements of heat transfer

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Yamaji Laboratory

http://www.f.waseda.jp/akifumi.yamaji/home_e.html

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• 1997 – 2006：University of Tokyo, Dr. Engineering

• 2006 – 2011: Research Engineer, Japan Atomic Energy Agency (JAEA)

• 2011 – 2014: Nuclear Scientist, OECD Nuclear Energy Agency (NEA)

• 2014 –: Assistant Professor (tenure), Waseda University• 2018 –: Associate Professor• 2019 –: Director (Head of Department)

Akifumi Yamaji

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Members and Research Scope

Gen IV Reactor Design (SCWR) + space reactor

Accident Tolerant Fuel (ATF) Modeling

Fukushima Accident Analysis (MELCOR)

Advanced Computation Fluid Dynamics (Particle Method)

Members of Yamaji Lab (as of Apr. 2020)• Akifumi Yamaji (Associate Professor)• Junior researcher• Adjunct researcher• Secretary• Research Fellow • Doctor course students (2)• Master course students (12)• Undergraduates (7)

Research Scope

Core Design and Safety Analysis of SCWR• Current works

– Fast reactor core design studies– MA burning (+ LLFP transmutation)– LOCA and RIA analysis with RELAP/SCDAPSIM

Recent publications(1) Sukarman, A.Yamaji,

T.Someya,"Improved Core Design of a High Breeding Fast Reactor Cooled by Supercritical Pressure Light Water",Journal of Nuclear Engineering and Radiation Science Vol.4(2018)

(2) Shogo Noda, Takayuki Someya and Akifumi Yamaji "Flexible Core Design of Super FBR with Multi-Axial Fuel Shuffling",Nuclear Engineering and Design 324C (2017) pp. 45-53

(3) T. Someya and A. Yamaji, “Core design of a high breeding fast reactor cooled by supercritical pressure light water”, Journal of Nuclear Engineering and Design Vol.296(2016) 30-37

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Recent publication(1) Akifumi Yamaji, Daiki Yamasaki, Tomoya Okada, Kan Sakamoto, Shinichiro Yamashita " FEMAXI-7 PREDICTION OF THE BEHAVIOR OF

BWR-TYPE ACCIDENT TOLERANT FUEL ROD WITH FECRAL-ODS STEEL CLADDING IN NORMAL CONDITION" 2017 Water Reactor Fuel Performance Meeting September 10 (Sun) ~ 14 (Thu), 2017 Ramada Plaza Jeju, Jeju Island, Korea

METI Funded ATF Development Project16

• FeCrAl-ODS: – ODS: Oxide Dispersion-Strengthened alloy– Candidate cladding material for Accident Tolerant Fuel (ATF)

• Development of FeCrAl-ODS (SiC/SiC cladding is also under development)– National project under the ministries (MEXT, METI)– METI project, led by Japan Atomic Energy Agency (JAEA)

Power the Future

• Fuel performance modeling• FEMAXI-7: Waseda University• PRIME: GNF-J

• IAEA benchmark, “Analysis of Options and Experimental Examination of Fuels for Water-Cooled Reactors with Increased Accident Tolerance (ACTOF)” (2018)

• Modeling benchmark for FeCrAl

Fukushima Analysis with MELCOR Code 17

• MELCOR code• Under the framework of US.NRC “Cooperative Severe

Accident Research Program (CSARP)”• Japanese program is coordinated by Nuclear Regulation

Authority (NRA)Fukushima

Simulation（Waseda Univ.）METI, MEXT Projects

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Simulating Molten Fuel Behavior

Particle method

French representative

ＳＡＫＵＲＡProject

French experiment (CEA/Cadarache)

Student Internships, Foreign Students 19

Furuya Laboratory

http://www.aoni.waseda.jp/furuya/

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原子炉熱流動古谷正裕自己紹介

自己紹介 古谷正裕 21, ( )

• 山口県防府市出身

• 学歴– 学士九州大学

• 乱流自然対流熱伝達数値解析LES

– 修士東京工業大学• 衝突噴流の限界熱流束（核融合炉）

– 学位デルフト工科大学（オランダ）• 流動安定性とBWR核熱結合安定性

• 職歴– アルゴンヌ国立研究所（米国）

• 化学反応を伴う蒸気爆発

– 電力中央研究所• 熱流動、電気化学、材料化学（26年間）

– 東京工業大学• 連携教授 (2015年～)

趣味：海外旅行

研究は原子力発電所の安全確保のために

自己紹介 古谷正裕 22, ( )

ボイド反応度フィードバックスケール効果試験溶融物質試験技術

数値混相流体解析(CMFD)サブチャンネル解析(CTF)過渡解析(TRACE)事故解析(MAAP, MELCOR)

輸送容器耐食性向上技術中性子遮蔽材ボロン高濃度化被覆管耐フレッティング・耐食性シュラウド応力腐食割れ対策復水器伝熱管エロージョン対策蓄電池電極材開発

液膜厚さ分布センサー三次元二相流計測法バンドル内二相流計測法X線CT/RTR

限界熱流束向上技術微細化沸騰解明

材料開発

解析技術

伝熱向上技術

計測技術

模擬実験技術

これまでの研究実績

多次元性

三次元二相流計測、相分布モデル

過渡変化

高速過渡（時定数0.1ミリ秒～0.1秒）

安定性（時定数2秒～数百秒）

他の現象との重畳

核熱結合模擬（ボイド反応度フィードバック）

フィルターベントの物質移行

触媒開発

溶融・凝固・共晶反応

センサーを開発し、熱流動を可視化する物理を解明しシミュレーションで再現する

Washio-laboratoryhttp://www.f.waseda.jp/washiom/top-e.html

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Ohki-laboratoryhttp://www.f.waseda.jp/yohki/top_en.html

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Applications to Doctor Course• General requirements

– Master’s degree in science or engineering– English proficiency (all guidance, communications in English)

• Admission to Graduate Schools under Faculty of Science and Engineering– http://www.waseda.jp/fsci/en/admissions_gs/

• Inquiries regarding entrance examinations (E-mail)– [email protected]

• Faculty of Science and Engineering– http://www.waseda.jp/fsci/en/

• Cooperative Major in Nuclear Energy (CMNE, Waseda University)– http://www.nuclear.sci.waseda.ac.jp/index_en.html

• Akifumi Yamaji

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HP: www.f.waseda.jp/akifumi.yamaji/home_e.htmlE-mail: [email protected]

Thank you for your attention.

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[email protected]