[2B06-09] Safety Assessment for Fast Reactors 1

11:35 AM - 11:50 AM JST(2:35 AM - 2:50 AM UTC)

[2B09] Studies on Relocation Behavior of Molten Core Materials in the Core Disruptive Accident of Sodium-cooled Fast Reactors(5)A Behavior of a Heavy Metal Jet with Free Surface Conditon of MPS Method

*Mamoru Konomura¹, Kenji Kamiyama² (1. Univ. of Fukui, 2. JAEA)

Keywords:

Moving Particle Method,Moving Particle Semi-implicit Method,Jet,Cavity,Free Surface Condition

A behavior of a heavy metal jet which ran into a water pool was analyzed with the Moving Particle Semi-implicit Method. A pressure calculation without a free surface condition proved useful to suppress unrealistic cavity.