Technology Development of Core Catcher for Indian Advanced Nuclear Reactors

AK Nayak, PP Kulkarni - Transactions of the Indian National Academy of …, 2021 - Springer
… For further enhancement in safety in these advanced nuclear reactors, a core catcher is …
The core melt is a complex mixture of nuclear fuel, clad material, structural material, control …

Nuclear Meltdown Relocation and Core Catcher Analysis

E Bregu, SA Ajah, J Gomes - VETOR-Revista de Ciências …, 2023 - furg.emnuvens.com.br
… where subscripts 𝑙 and 𝑔 stand for liquid and gaseous … generate more heat that would fuel
further oxidation reactions. This … In particular, an in-vessel core catcher (IVCC) that could be …

A comparative assessment of various single tray core catcher options for future sodium cooled fast reactors

GB Sundaram, K Velusamy - Progress in Nuclear Energy, 2020 - Elsevier
… Once the entirety of fuel within a computational cell is in molten state, the liquid fuel particles
… In the present study, the boiling point of liquid sodium has been taken as 1156 K (ie, at …

Effects analysis on hydrocarbon reduction efficiency of a beta zeolite catcher in gasoline engine during cold start

D Han, Y Deng, W Han, E Jiaqiang, L Chen, C Feng… - Fuel, 2021 - Elsevier
… Crevice storage of the fuel–air charge and its release; 6. Oil dilution with liquid and fuel … 10,
the emission of HC after the HC catcher outlet was higher than that before the HC catcher inlet…

Fuel discharge towards the core catcher in sodium-cooled fast reactor under severe accident conditions with mitigation devices

E Csengeri - 2022 - theses.hal.science
… into the core and an in-vessel core catcher. The transfer tubes are envisaged to evacuate …
the core prevents massive fuel melting and enhances the production of fuel debris from pellet …

Numerical prediction of slug flow boiling heat transfer in the core-catcher cooling channel for severe accident mitigation in nuclear power plant

Y Addad, MA Amidu - Nuclear Engineering and Design, 2022 - Elsevier
… The latter phenomenon engenders the fact that a liquid film … conduction heat flux across the
liquid film (trapped underneath … to simulate a prototypical core-catcher cooling channel. Once …

Design of core catchers for sodium cooled FBRs–challenges

V Jhade, PK Shukla, AJ Sudha, AK Sharma… - … Engineering and Design, 2020 - Elsevier
… and using obtained plutonium as fuel in Fast Breeder Reactors (FBRs), is best option for …
in fuel subassembly (FA). The molten fuel along with structural material will fragment in liquid

Development of a robust multi-phase heat transfer model and optimization of multi-layer core catcher for future Indian sodium cooled fast reactors

GB Sundaram, K Velusamy - Annals of Nuclear Energy, 2020 - Elsevier
… solid and liquid fuel. Once the entire fuel in the cell becomes molten, the liquid fuel slumps
and the sodium vapor escapes from the cell leaving only the molten fuel with 100% liquid fuel

Coolability evaluation of debris bed on core catcher in a sodium-cooled fast reactor

E Matsuo, K Sasa, K Koyama, H Yamano… - The Proceedings of …, 2019 - jstage.jst.go.jp
… (1) Applicable scope of the module is the debris bed which consists of solid particles (fuel
and steel) and sodium coolant (liquid/vapor). (2) The temperature and saturation distributions …

[HTML][HTML] Assessment of the core-catcher in the VVER-1000 reactor containment under various severe accidents

F Salari, A Rabiee, F Faghihi - Nuclear Engineering and Technology, 2023 - Elsevier
… A water tank containing spent fuel is used to supply water around the core catcher … core-catcher
along with the molten corium. As a result of the high temperature of molten corium, liquid