scholarly journals Analysis of the impacts of homogeneous minor actinides loading in low void effect sodium fast reactor cores

2019 ◽  
Vol 124 ◽  
pp. 572-578
Author(s):  
T. Kooyman ◽  
L. Buiron ◽  
G. Rimpault
Author(s):  
Andrei Rineiski ◽  
Clément Mériot ◽  
Marco Marchetti ◽  
Jiri Krepel ◽  
Christine Coquelet ◽  
...  

Abstract A large 3600 MW-thermal European Sodium Fast Reactor (ESFR) concept has been studied in Horizon-2020 ESFR-SMART (ESFR Safety Measures Assessment and Research Tools) project since September 2017, following an earlier EURATOM project, CP-ESFR. In the paper, we describe new ESFR core safety measures focused on prevention and mitigation of severe accidents. In particular, we propose a new core configuration for reducing the sodium void effect, introduce passive shutdown systems, and implement special paths in the core for facilitation of molten fuel discharge in order to avoid re-criticalities after a hypothetical severe accident. We describe and assess the control and shutdown system, and consider options for burning minor actinides.


2017 ◽  
Vol 101 ◽  
pp. 591-599
Author(s):  
Toshikazu Takeda ◽  
Koji Fujimura ◽  
Tadafumi Sano ◽  
Basma Foad

2013 ◽  
Vol 57 ◽  
pp. 32-40 ◽  
Author(s):  
R. Ochoa ◽  
M. Vázquez ◽  
F. Álvarez-Velarde ◽  
F. Martín-Fuertes ◽  
N. García-Herranz ◽  
...  

2015 ◽  
Vol 71 ◽  
pp. 130-139 ◽  
Author(s):  
Fabrizio Gabrielli ◽  
Andrei Rineiski ◽  
Barbara Vezzoni ◽  
Werner Maschek ◽  
Concetta Fazio ◽  
...  

2021 ◽  
Vol 135 ◽  
pp. 103676
Author(s):  
T. Lambert ◽  
J.M. Escleine ◽  
B. Fontaine ◽  
S. Eremin ◽  
E. Muraleva ◽  
...  

2021 ◽  
Vol 164 ◽  
pp. 108600
Author(s):  
Shibao Wang ◽  
Konstantin Mikityuk ◽  
Petrovic Dorde ◽  
Dalin Zhang ◽  
Guanghui Su ◽  
...  

Author(s):  
Antonio Jiménez-Carrascosa ◽  
Nuria Garcia Herranz ◽  
Jiri Krepel ◽  
Marat Margulis ◽  
Una Baker ◽  
...  

Abstract In this work a detailed assessment of the decay heat power for the commercial-size European Sodium-cooled Fast Reactor (ESFR) at the end of its equilibrium cycle has been performed. The summation method has been used to compute very accurate spatial- and time-dependent decay heat by employing state-of-the-art coupled transport-depletion computational codes and nuclear data. This detailed map provides basic information for subsequent transient calculations of the ESFR. A comprehensive analysis of the decay heat has been carried out and interdependencies among decay heat and different parameters characterizing the core state prior to shutdown, such as discharge burnup or type of fuel material, have been identified. That analysis has served as a basis to develop analytic functions to reconstruct the spatial-dependent decay heat power for the ESFR for cooling times within the first day after shutdown.


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