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RELAP5-3D Simulation of Natural Circulation in Fast Reactors With Lead-Bismuth Eutectic Alloy Coolant

[+] Author and Article Information
Alex Matev

BelV Rue Walcourt 148 B-1070 Brussels, Belgium
Alex.Matev@BelV.be

1Corresponding author.

ASME doi:10.1115/1.4036986 History: Received September 30, 2016; Revised May 14, 2017

Abstract

Many researchers are investigating the potential of lead-bismuth cooled fast reactors for producing electricity, as well as for the safe transmutation of minor actinides and the nuclear incineration of long-lived fission products. The paper presents the results from simulating with the RELAP5-3D code of natural circulation in a generic design of a pool-type nuclear reactor with lead-bismuth eutectic alloy (LBEA) as a primary, and water/steam as a secondary coolant. The simulation results provide valuable insights in the evolution of key reactor safety-relevant phenomena and support also the qualified use of system analysis codes as RELAP5-3D for the simulation of transients in pool-type reactor systems.

Copyright (c) 2017 by ASME
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