[2B01-04] Geological disposal

9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[2B02] Fundamental Study on THC Coupled Analysis Using PFLOTRANApplication to a Simplified Problem Representing HLW Disposal Environment

*Satoru Hirai¹, Yasuhiro Miyatake¹ (1. HAZAMA ANDO)

Keywords:

THC coupled analysis,PFLOTRAN,geological disposal,groundwater flow,geochemical reactions

A simplified conceptual model focusing on heat transport, groundwater flow, and chemical reactions was developed using PFLOTRAN for coupled THC (Thermal–Hydrological–Chemical) analysis of the near-field environment in high-level radioactive waste (HLW) geological disposal. Preliminary simulations were conducted to confirm the feasibility of the coupled calculations and to establish a basis for future code-to-code comparison studies.