Experimental study on molten metal spreading and deposition behaviors

T Ogura, T Matsumoto, S Miwa, M Mori, T Hibiki - Annals of Nuclear Energy, 2018 - Elsevier
In this paper, experimental investigation of the molten metal spreading behavior that was
carried out at Hokkaido University using high frequency inductive heater is presented to …

MAAP-MELCOR crosswalk phase 1 study

DL Luxat, DA Kalanich, JT Hanophy… - Nuclear …, 2016 - Taylor & Francis
Abstract The Modular Accident Analysis Program (MAAP), Version 5 (MAAP5) and Methods
of Estimation of Leakages and Consequences of Releases (MELCOR) are widely used …

Characteristics of reactivity change as fuel debris falls in water

T Muramoto, J Nishiyama, T Obara - Progress in Nuclear Energy, 2021 - Elsevier
Highlights•It was investigated the characteristics of reactivity change due to fuel debris
falling into water by a calculation system coupling the MPS method and neutron transport …

Potential bacterial alteration of nuclear fuel debris: a preliminary study using simulants in powder and pellet forms

J Liu, Y Dotsuta, T Sumita, T Kitagaki, T Ohnuki… - … of Radioanalytical and …, 2022 - Springer
Remnant nuclear fuel debris in the damaged nuclear reactors at the Fukushima Daiichi
Nuclear Power Plant (FDNPP) has contacted the groundwater containing microorganisms …

Ex-Vessel Core Melt Modeling Comparison between MELTSPREAD-CORQUENCH and MELCOR 2.1

KR Robb, M Farmer, MW Francis - 2014 - osti.gov
System-level code analyses by both United States and international researchers predict
major core melting, bottom head failure, and corium-concrete interaction for Fukushima …

Safety insights from forensics evaluations at Daiichi

J Rempe, M Corradini, M Farmer, J Gabor… - Nuclear Materials and …, 2017 - Elsevier
Although it is clear that the accident signatures from each affected unit at the Fukushima
Daiichi Nuclear Power Station [Daiichi] differ, much is not known about the end-state of core …

Reactor Safety Gap Evaluation of Accident-Tolerant Components and Severe Accident Analysis

MT Farmer, R Bunt, M Corradini, P Ellison… - Nuclear Science and …, 2016 - Taylor & Francis
The reactor accidents at Fukushima Daiichi have rekindled interest in light water reactor
(LWR) severe accident phenomenology. Postevent analyses have identified several areas …

Reactivity feedback effect on supercritical transient analysis of fuel debris

K Fukuda, J Nishiyama, T Obara - Nuclear Science and …, 2020 - Taylor & Francis
Transient analysis for possible prompt supercritical accidents of fuel debris in the Fukushima
Daiichi Nuclear Power Station is quite important. However, unlike solution fuel systems …

An investigation of corium in Fukushima Daiichi Unit-1 accident

AA Badawi, AE Elshahat, RFM Abou Alo… - Applied Radiation and …, 2022 - Elsevier
The core melt composition resulting from the Fukushima Daiichi Unit1 Nuclear Power Plant
(FD-U1) accident is essential for the corium characterization phase before decommissioning …

US Efforts in Support of Examinations at Fukushima Daiichi-November 2022 Meeting Notes and Information Request Status

L Albright, S Basu, R Bunt, M Cibula, ML Corradini… - 2023 - osti.gov
Information obtained from Fukushima Daiichi Nuclear Power Station (Daiichi) is required to
inform future Decontamination and Decommissioning (D&D) activities, improving the ability …