Corium (Nuclear Reactor) - an overview | ScienceDirect Topics
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 …
An investigation of corium in Fukushima Daiichi Unit-1 accident
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…
Analysis of heat transfer and solidification within CANDU 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 …
Numerical simulation on thermal-hydraulic-mechanical coupling of …
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 …
Development of ex-vessel corium coolability analysis program(COCCA ...
May 1, 2025 · KAERI developed a module named Code of Ex-vessel Corium Coolability Analysis (COCCA) to perform meaningful risk analyses and make decisions in the field of accident …
Numerical investigation of spreading phenomena of molten corium …
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. …
Products of molten corium-metal interaction in chernobyl accident ...
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 …
Properties and characteristics of corium prototype of a fast power ...
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 …
Thermophysical properties of liquid UO2, ZrO2 and corium by …
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).
Achievements of recent research on severe accidents at CEA/IRESNE in ...
May 1, 2024 · In addition to the characterization of corium properties, and among other fundamental issues, recent work on the subject of corium oxidation at high temperatures should also be mentioned.