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- Title
NEUTRONIC ANALYSIS OF A HEAT-PIPE COOLED REACTOR.
- Authors
SABOL, JOSEF; FRÝBORT, JAN
- Abstract
Heat-pipe cooled reactors belong to the group of nuclear reactors using heat pipes filled with liquid metals (such as sodium or potassium) to cool the core. Due to the passive heat removal system, there is no need to use closed loops with pumps, and the reactor can be operated with reduced operational requirements. Consequently, this system can be used in remote locations without access to an electrical grid, or it can be used for space applications. This paper deals with a neutronic study of the Special Purpose Reactor Design-B concept from the Idaho National Laboratory. Using Monte Carlo code Serpent 2 and ENDF/B VIII.0 library, a fixed-temperature model was created to calculate the safety characteristics of the system. This included reactivity coefficients, power distribution, neutron flux spectrum, and criticality safety. In a simplified depletion calculation, an effect of fuel depletion on safety systems was determined as well as a decay heat.
- Subjects
HEAT pipes; NUCLEAR reactors; LIQUID metals; CLOSED loop systems; ELECTRIC power distribution grids; NEUTRON flux
- Publication
Acta Polytechnica CTU Proceedings, 2023, Vol 44, p19
- ISSN
2336-5382
- Publication type
Article
- DOI
10.14311/APP.2023.44.0019