DESAIN NEUTRONIK TERAS SODIUM-COOLED FAST REACTOR (SFR) DENGAN BAHAN BAKAR URANIUM METALIK BERDAYA 1000 MWTH BERBASIS OPENMC

RAHMAWATI, DWI and Ariani, Menik and Monado, Fiber (2023) DESAIN NEUTRONIK TERAS SODIUM-COOLED FAST REACTOR (SFR) DENGAN BAHAN BAKAR URANIUM METALIK BERDAYA 1000 MWTH BERBASIS OPENMC. Undergraduate thesis, Sriwijaya University.

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Abstract

SFR is a type of closed-fuel fast reactor that uses sodium or sodium as a coolant. Neutronic analysis of the geometry design of the Sodium-cooled Fast Reactor (SFR) core with 1000 MWTh Metallic Uranium fuel has been carried out so that the core design meets the criteria for neutronic parameters. The simulation was carried out using OpenMC software which has ENDF/B VIII.0 nuclear data library. The calculation of the neutronic parameters were carried out for Uranium enrichment level ranging from 0% to 7% with a depletion time of 328.5 days. The value of the effective multiplication factor (keff) can reach a critical condition in BOC and EOC conditions when it is given an enrichment of 6% to 7% with a CR<1 value. Changes in the composition of the 235U fuel continued to decrease as depletion time progressed, while the composition of 238U continued to increase. The atomic density of 239Pu continues to decrease as time goes by because the consumption of 239Pu is higher than its production. Neutronic calculations such as distribution of neutron flux density and distribution of fission reaction rates were also carried out with the result that the highest distribution value of neutron flux density was at 1% enrichment. While the highest fission reaction distribution value is at 7% enrichment. Based on the keff value of Metallic Uranium fuel with an enrichment of 6% 235U it can reach critical conditions for 328.5 days, so this fuel can be considered for SFR reactors. Keyword: SFR, OpenMC, Neutronic analysis, Effective multiplication factor (keff), Neutron flux distribution, Reaction rate

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	SFR, OpenMC, Analisis neutronik, Faktor multiplikasi efektif (keff), Distribusi fluks neutron, Laju reaksi
Subjects:	Q Science > QC Physics > QC770-798 Nuclear and particle physics. Atomic energy. Radioactivity
Divisions:	08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User:	Dwi Rahmawati
Date Deposited:	07 Aug 2023 01:32
Last Modified:	07 Aug 2023 01:32
URI:	http://repository.unsri.ac.id/id/eprint/125840

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