Study on stable multi-layer molten pool experiment with internal heat generation in ERVC-IVR strategy

Z Li, H Chang, K Han, L Chen, F Fang - Progress in Nuclear Energy, 2022 - Elsevier
Since oxide and metal materials are not miscible and Uranium extraction, the molten reactor
core could turn into a multi-layer configuration molten pool in the Reactor Pressure Vessel …

Three-dimensional experiment of heat transfer for molten oxidic pool

L Chen, K Han, T Li, D Tian, Y Chen, H Chang… - Progress in Nuclear …, 2018 - Elsevier
The effectiveness of in-vessel retention (IVR) of core melt during severe accident in light
water reactor strongly depends on whether the heat removed from boundaries could exceed …

Evaluating uncertainties: Heat transfer parameter effects on stratified melt pool simulation

P Guo, F Quan, P Yu, Y Yuan, J Yu, W Ma - Annals of Nuclear Energy, 2025 - Elsevier
Abstract Following Fukushima Daiichi, nuclear safety is paramount in advanced pressurized
water reactors. In-Vessel Retention (IVR), notably External Reactor Vessel Cooling (ERVC) …

Assessment of Different Turbulence Models on Melt Pool Natural Convection Simulations With Internal Heat Source

P Guo, P Yu, F Quan, Y Yuan, J Yu… - International Journal of …, 2025 - Wiley Online Library
In the context of severe nuclear accidents, the migration of corium into the reactor pressure
vessel (RPV) poses significant hazards, prompting the proposal of the in‐vessel melt …

Numerical investigation of the internally heated melt pool natural convection behavior with the consideration of different high internal Rayleigh numbers

H Wei, YT Chen - Annals of Nuclear Energy, 2020 - Elsevier
The melt pool could form in the nuclear reactor lower plenum under a hypothetic severe
accident. In such condition, remaining the integrity of reactor pressure vessel (RPV) is …

Experimental research of heat transfer in heavy metallic layer under different top boundary conditions

Z Li, H Chang, L Chen, K Han, F Fang - Nuclear Engineering and Design, 2022 - Elsevier
Abstract The External Reactor Vessel Cooling (ERVC) is crucial to realizing In-Vessel
Retention (IVR) strategy when reactor core degradation happens; consequently, fission …

Experimental investigation on vertical heat transfer characteristics of light metallic layer with low aspect ratio

Z Li, H Chang, K Han, F Fang, L Chen - Nuclear Engineering and Design, 2021 - Elsevier
Abstract In-Vessel Retention (IVR) strategy can ensure the nuclear safety and the integrity of
the Reactor Pressure Vessel (RPV) during the severe nuclear accident. The HEat transfer …

Experimental investigation on heat transfer characteristics of oxide layer of molten pool

Z Li, H Chang, K Han, L Chen, F Fang, B Hao… - Annals of Nuclear …, 2021 - Elsevier
Abstract In-Vessel Retention (IVR) strategy can ensure nuclear safety and the integrity of
Reactor Pressure Vessel (RPV) during the severe nuclear accident. The Molten pool Oxide …

[HTML][HTML] Numerical study of the effect of geometry on the behaviour of internally heated melt pools for in-vessel melt retention

A Venkateshwaran, M Kumar, S Kumar… - Progress in Nuclear …, 2023 - Elsevier
In-vessel melt retention is a vital safety design that is incorporated in some nuclear reactors
to protect against beyond-design basis accidents. This entails the retention of the molten …

Experimental research on heat transfer characteristics of a two-layer corium pool based on a three-dimensional ellipsoidal lower plenum

S Wu, Y Zhang, J Yu, J Bai, W Tian, S Qiu… - Frontiers in Nuclear …, 2025 - frontiersin.org
To better understand the application of IVR (In-Vessel Retention), extensive experiments
have been conducted on the heat transfer characteristics of molten pool. However, most …