Dynamic behavior of a solid particle bed in a fluid pool was investigated to model mobility of a postulated disrupted core in a liquid metal faster reactor. Experimental simulation was performed to verify a reactor safety analysis code, SIMMER-III.
Freezing behavior of molten metal during interaction with structure immersed into coolant was experimentally investigated with respect to core disruptive accidents of a liquid metal reactor. Distinct freezing modes were observed in water coolant experiments, whereas only one freezing mode with longer melt penetration was found in air coolant experiments
Rayleigh-Benard convection with different Rayleigh numbers was successfully simulated using the MPS method with a new diffusion model. The results agree well with linear theory and an empirical formula.