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) …

Experimental study on natural convection heat transfer in a two-layer corium pool based on COPRA facility

Y Zhou, Y Zhang, K Zhang, S Wu, Z Yu, W Tian… - … Engineering and Design, 2019 - Elsevier
During core meltdown accidents, the heat flux distribution along the wall of lower plenum
was closely related to the potential of vessel failure. Concerning with the natural convection …

A scoping study on remelting process of a debris bed in the lower head of reactor pressure vessel

X Zeng, L Li, S Zhang, J Pei, X Li, W Li, Y Guo… - Annals of Nuclear …, 2023 - Elsevier
Coolability and retention of core melt (corium) in the lower head of reactor pressure vessel
(RPV) has been accepted as a severe accident management strategy to maintain the reactor …

SAMPO-P: A prototypical scale low-temperature experiment on two-layer melt pool heat transfer in LWR lower head

P Guo, F Quan, P Yu, J Yu, W Ma, Y Yuan - Experimental Thermal and Fluid …, 2025 - Elsevier
To better understand the thermal behavior of a two-layer melt pool with a high Rayleigh
number—a pattern observed in the RASPLAV study, which indicates a significant risk to …

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 …

[HTML][HTML] Uncertainty analysis of molten corium In-Vessel Retention under External Reactor Vessel Cooling

S Wu, D Wang, Y Zhang, Y Zhou, W Tian, S Qiu… - International Journal of …, 2023 - Elsevier
Abstract External Reactor Vessel Cooling (ERVC) is a key measure to realize molten corium
In-Vessel Retention (IVR). The uncertainty of severe accident in core leads to the uncertainty …

Experimental study and analytical analysis on the global heat transfer of stratified corium in LWR lower head

X Gaus-Liu, T Cron, B Fluhrer, T Wenz - Nuclear Engineering and Design, 2021 - Elsevier
Abstract In-Vessel Melt Retention (IVR) is credited as a promising Severe Accident
Management strategy to stabilize the molten corium during severe accident scenarios. This …

Investigation on three-layer coupled molten pool heat transfer experiment with three different materials

Z Li, H Chang, K Han, L Chen, F Fang - Nuclear Engineering and Design, 2022 - Elsevier
In the core meltdown accident, fission products are limited in the vessel bottom as indicated
in the In-Vessel Retention (IVR) strategy analyses, resulting in forming a three-layer …

[HTML][HTML] Analysis of Severe Accidents

X Gaus-Liu, G Albrecht, T Cron, B Fluhrer… - Annual Report 2017 …, 2019 - books.google.com
The research activities on reactor severe accident in LWRs at the group IKET-UNA and
since September 2018 named IKET-SAR from 2017 to 2018 are focused on the in-and …

TRANSIENT BEHAVIORS OF HEAVY METALLIC LAYER AND EFFECTS OF PR ON THE HEAT TRANSFER CHARACTERISTICS

K Ge, J Bai, Y Zhang, W Tian, S GH… - The Proceedings of the …, 2023 - jstage.jst.go.jp
Transient behavior and heat transfer characteristics of the multi-layer corium pool is a
significant problem that arises in the In-Vessel Retention analysis of the nuclear reactor …