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The 15th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Operation, and Safety NUTHOS-15 Shaping the Future of Next-Generation Nuclear Energy September 27 - October 2, 2026. Kashiwa-no-ha, JAPAN |
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The 15th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Operation, and Safety NUTHOS-15 Shaping the Future of Next-Generation Nuclear Energy September 27 - October 2, 2026. Kashiwa-no-ha, JAPAN |
Following NUTHOS-15, FDR2026 (International Topical Workshop on Fukushima-Daiichi Decommissioning Research) will be held at J-Village, Fukushima, from October 2–5, 2026.
You can find the link to FDR2026 on the banner in the left-hand column.
The deadline for abstract submission to FDR2026 has been extended to May 31.
A technical tour to Fukushima-Daiichi NPS is also planned for October 2 as part of FDR2026.
| • Aug. | 31, 2026: | Panel Sessions page. NEW! |
| • Aug. | 11, 2026: | Copyright Transfer Agreement Form is available. See File submission page. |
| • May | 25, 2026: | Visa Support is available. See Registration page. |
| • May | 22, 2026: | Poster Session participation is now open to all authors. See Poster Session page. |
| • May | 04, 2026: | For Exhibitors page. |
| • May | 04, 2026: | Accommodation page. |
| • May | 01, 2026: | Registration site is now available. See Registration page. |
| • Apr. | 24, 2026: | Keynote Speakers page. |
| • Mar. | 16, 2026: | Draft paper submission deadline has been extended to Mar. 31, 2026. (FINAL Extension) |
| • Mar. | 14, 2026: | Poster Session page. |
| • Feb. | 28, 2026: | Draft paper submission deadline has been extended to Mar. 16, 2026. |
| • Feb. | 23, 2026: | Registration fee list is now available. See Registration page. |
| • Jan. | 23, 2026: | LaTeX template is updated. See File submission page. |
| • Jan. | 16, 2026: | LaTeX template is now available. See File submission page. |
| • Jan. | 05, 2026: | Full paper template is available. See File submission page. |
| • Nov. | 28, 2025: | Abstract submission deadline has been extended to Dec. 31, 2025. |
| • Nov. | 20, 2025: | Plenary Speakers page. |
| • Oct. | 10, 2025: | The meeting schedule has been adjusted. See avobe. |
| • Sep. | 20, 2025: | Submission of abstract opened. See File submission page. |
| • Aug. | 25, 2025: | Website opened. |
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The 15th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Operation and Safety (NUTHOS-15) will take place in Kashiwa-no-ha, Japan from September 27-30, 2026. The meeting will be hosted by the Japan Society of Atomic Energy (AESJ) and co-hosted by the American Nuclear Society (ANS), the European Nuclear Society (ENS), the Korean Nuclear Society (KNS) and Canadian Nuclear Society (CNS). Kashiwa-no-ha is an innovative science city located approximately 30 km north of Tokyo and 30 km south of Tsukuba, offering convenient access from major airports as well as to numerous attractions and natural areas.
NUTHOS has been one of the major conferences in the nuclear thermal-hydraulics, operation and safety. The first NUTHOS was held in Taipei in 1984 followed by Tokyo (1986), Seoul (1988), Taipei (1994), Beijing (1997), Nara (2004), Seoul (2008), Shanghai (2010), Kaohsiung (2012), Okinawa (2014), Gyeongju (2016), Qingdao (2018), Hsinchu (2022) and Vancouver (2024). NUTHOS-15 offers various technical tracks including Thermal-Hydraulics and Computational Methods, Experimental Thermal-Hydraulics, Safety and Severe Accidents, Thermal-Hydraulics and Safety of Advanced Reactors, Plant Operation and Maintenance, Diagnostics and Monitoring, SMRs and Micro Reactors, and AI applications. It will be a valuable opportunity to exchange ideas, connect with colleagues from around the world, and help shape the future of nuclear science andengineering.
We sincerely invite you to contribute and participate in NUTHOS-15. Your participation will greatly enrich the discussions and the success of the event!
| Abstract Deadline: | For details, see File Submission page. | |
| Abstract Acceptance Notification | January 05, 2026 | |
| Draft Papers: | ||
| Final Papers: | June 1, 2026 | |
| Early Registration: | Closes in June 2026 |
