[1J05-08] Pu-burning Gas-cooled Reactor

[1J08] Development of Security and Safety Fuel for Pu-burner HTGR

(17)Numerical Study on the Transient Oxidation of Nuclear Graphite under Air Ingress Conditions

*Yang Wu¹, Wataru Sagawa¹, Penghui Chai², Masahiro Kondo¹, Koji Okamoto¹ (1. The University of Tokyo, 2. The University of Tokyo (Currently working at JAEA))

Keywords:HTGR, Air ingress accident , Graphite oxidation, Numerical simulation, RELAP5/SCDAP

In this study, a graphite oxidation model was incorporated into a system analysis code called RELAP5/SCDAP. The code was then validated against experiments to demonstrate its applicability on modeling graphite oxidation during an event of air ingress.