[3H_PL] FY2024 Annual Report of Research Committee on Investigation on Safety Standards of Prismatic-type HTGR

[3H_PL04] Licensing basis event selection approach for HTGR

*Hiroyuki Sato¹ (1. JAEA)

The Research Committee on Investigation on Safety Standards of Prismatic-type HTGR was launched in FY2023 to investigate technical requirements and safety evaluation approaches to develop a concept of safety standards of HTGR considering its features and performance aiming to apply to the HTGR demonstration reactor. This session explains the technical considerations, an approach of practical elimination of progression to significant core degradation in HTGR, a Defense-in-Depth implementation for HTGR and a selection approach of licensing basis event for HTGR as a brief summary of discussion in the committee.