Jun 1, 2011 · • corium: molten materials that are formed during the core melting accident in a nuclear reactor core, as well as their solidified products; corium usually contains fuel elements i.e. U, some …

Aug 1, 2022 · The core melt composition resulting from the Fukushima Daiichi Unit1 Nuclear Power Plant (FD-U1) accident is essential for the corium characterization…

Oct 1, 2024 · The molten corium is composed of two layers of different densities. The lower layer is a high-density molten oxide pool, which generates decay heat and cooling is performed through the …

Apr 1, 2025 · Abstract Understanding the behavior of molten corium is crucial for effective heat management and ensuring the integrity of reactor containment during severe nuclear incidents. …

Oct 1, 2022 · Pieces of molten corium – steel interaction products were also entrapped in the jets. At this stage the atmosphere becomes oxidizing (air and steam), whereas the temperature remains …

May 1, 2025 · The prototype corium specimens fail in steps and have a low ultimate failure load. This paper focuses on the study of properties and characteristics of corium of a fast power reactor …

Aug 1, 2017 · In predicting thermophysical properties of liquid state of corium, it is important to design the initial configuration of liquid state (position of every ion and its interactions).

Aug 1, 2025 · Core corium migration is one of the critical challenges of severe core accidents. The lower support plate is a critical load-bearing component within the pressure vessel among core corium …

May 1, 2024 · The primary uncertainties in the corium heat transfer and crust formation are associated with the boundary conditions, in particular, the corium top surface emissivity, exterior vessel wall …

Sep 1, 2016 · The configuration of molten core, so-called corium, in the Fukushima Daiichi NPP is of interest, as it affects the failure mechanism of a reactor vessel and the information on in-vessel melt …