NMB code: Fuel cycle integrator

# NMB code：Integrated nuclear fuel cycle simulator # TokyoTech & JAEA # Released Version 4.0 # Looking for User & Developper

＃Join us at TWoFCS2026（2026/4/15-17）

# It has been listed in the OECD NEA code catalog!

# NMB4.1.2 uploaded (2023/2/1)

Concept

# Model the entire nuclear fuel cycle processes & quantity the various scenarios in the future # Provide high flexibility & comprehensiveness in setting & analyzing scenarios # Run in Microsoft Excel® for the diverse users # Code evolves with you!

# Values

User Information

# Terms of Use

公式ロゴ/Official Logo

# Operation Guide (Documents and movies)

# Publication

Application

# User

The NMB code is provided free of charge to make nuclear fuel cycle simulations accessible to as many people as possible. Please check the terms of use and apply for download from the form.

# NMB Research Themes

We are pleased to announce research topics for NMB code enhancements and scenario maintenance. Individuals, groups, and corporations who would like to work on this project are encouraged to contact TEAM NMB.

📓NMB Research Themes

Development team

# TEAM NMB

# Partners

• Takeshita lab., Tokyo Institute of Technology：Dr. Hidekazu ASANO, Eriko MINARI, Naoya SHIGEKIYO
• University of Fukui：Dr. VAN ROOIJEN (Development of database for Pu burning molten salt reactors)
• Hitachi GE Nuclear Energy, Ltd. (Database for RBWR: Resource Renewable Boiling Water Reactor)
• yÅoki：Illustration production HP / instagram

# Financial Assistance

• Laboratory for Advanced Nuclear Energy, Tokyo Institute of Technology (2019-11, 2020-14, 2021-10).
• A Grant-in-Aid for JSPS Research Fellows (20J14956)

# Contact

For inquiries about the NMB code, please use the Microsoft forms below. In case you have urgent inquiries, you can also use the email address below.

# Link

• Takeshita laboratory, Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology

TOP｜Takeshita Laboratory : Fukushima Reconstruction and Revitalization Unit, Institute of Innovative Research (IIR),, Tokyo Institute of Technology

A new research unit established +-+-+ From April 1, 2020, a new research unit "Fukushima Reconstruction and Regeneration Research Unit" has been established. With the establishment of this unit, it is possible to carry out a wide range of research for the reconstruction and revitalization of Fukushima in collaboration with the university, beyond the framework of the institute.

www.nr.titech.ac.jp

• Research Group for Nuclear Transmulation System, Nuclear Scienece and Engineering Center, Japan Atomic Energy Agency

Research Group for Nuclear Transmutation System - Nuclear Transmutation

Research Group for Nuclear Transmutation System (NTS) is devloping a transmutation system of Minor Actinides (MAs) and Long-Lived Fission Products (LLFPs) contained within High-Level Waste (HLW) discharged from nuclear power plants.

nsec.jaea.go.jp

• Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology

Laboratory for Zero-Carbon Energy | Institute of Innovative Research, Tokyo Institute of Technology

Laboratory for Zero-Carbon Energy Institute of Innovative Research, Tokyo Institute of Technology N1-16, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550 JAPAN TEL +81-3-5734-3052 FAX +81-3-5734-3749

www.zc.iir.titech.ac.jp

• Japan Atomic Energy Agency

Japan Atomic Energy Agency

Announcement of R&D Purpose Plutonium Utilization Plan at the Japan Atomic Energy Agency throughout Japanese Fiscal Year 2022

www.jaea.go.jp

Webmaster

Dr. Masahiko Nakase, Assistant professor, Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology

Takeshita Laboratory, Room 456, North district 1st building,Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, 152-8550, JAPAN Tel & Fax: +81-3-5734-3845

NMB code User page

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