Research activities on nuclear reactor physics and thermal-hydraulics in Japan after Fukushima-Daiichi accident

Figures & data

Figure 1. Infinite neutron multiplication factors of UO₂–concrete systems [13].

Figure 2. A side view of ANNRIFig. 3 Concept of the Legendre polynomial expansion of angular flux method implemented to GENESIS [39].

Figure 3. Schematic of the debris spreading analysis (DSA) module in the SAMPSON code [129].

Figure 4. System subcomponents for the PIRT [148].

Figure 5. Computational domain and nodalization in the MPS method [156].

Figure 6. Schematic of the FCVS system [173].

Izawa K, Uchida Y, Ohkubo K, et al. Infinite multiplication factor of low-enriched UO2-concrete system. J Nucl Sci Technol. 2012;49:1043–1047.

 Web of Science ®Google Scholar

Yamamoto A, Giho A, Kato Y, et al. GENESIS: a three-dimensional heterogeneous transport solver based on the Legendre polynomial expansion of angular flux method. Nucl Sci Eng. 2017;186:1–22.

 Web of Science ®Google Scholar

Hidaka M, Fujii T, Sakai T. Development of the models for advection–diffusion of eroded concrete into debris and concrete volume reduction in molten core–concrete interactions. J Nucl Sci Technol. 2017;54:977–990.

 Web of Science ®Google Scholar

Sakai N, Horie H, Yanagisawa H, et al. Validation of MAAP model enhancement for Fukushima Dai-ichi accident analysis with Phenomena Identification and Ranking Table (PIRT). J Nucl Sci Technol. 2014;51:951–963.

 Web of Science ®Google Scholar

Li G, Oka Y. Sensitivity study of melt behavior of Fukushima Daiichi unit 1 type accident with MELCOR code and MPS method. J Nucl Sci Technol. 2015;52:109–121.

 Web of Science ®Google Scholar

Kawamura S, Kimura T, Omori S, et al. [Development of a filtered containment venting system for nuclear power plants]. Trans Atomic Energy Soc Japan. 2016;15:12–20. Japanese.

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