ANALISIS PERFORMA BAHAN BAKAR THORIUM NITRIDE (ThN) DENGAN VARIASI ENRICHMENT URANIUM-233 PADA GAS-COOLED FAST REACTOR (GFR) 500 MWTH MENGGUNAKAN OPENMC

ZACHARI, FIKRI and Ariani, Menik and Monado, Fiber (2025) ANALISIS PERFORMA BAHAN BAKAR THORIUM NITRIDE (ThN) DENGAN VARIASI ENRICHMENT URANIUM-233 PADA GAS-COOLED FAST REACTOR (GFR) 500 MWTH MENGGUNAKAN OPENMC. Undergraduate thesis, Sriwijaya University.

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Abstract

This study aims to analyze the performance of thorium nitride (ThN) fuel with varying uranium-233 enrichments in the core of a Gas-Cooled Fast Reactor (GFR) using OpenMC simulations. Burn-up calculations were performed over a period of 10 years with enrichment levels ranging from 0% to 12%. The results show that the k-infinite value tends to increase at enrichments between 0–6%, although it remains subcritical, while enrichments of 8–12% maintain stable values in a supercritical state. An enrichment level of 12% uranium-233 is identified as the optimal option, achieving an average effective multiplication factor (k-effective) of 1.0659 and an excess reactivity of 6.02%. Furthermore, this enrichment variation exhibits a consistent increase in the conversion ratio each year, indicating higher reactor efficiency in maximizing fuel utilization.

Item Type:	Thesis (Undergraduate)
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:	Fikri Zachari
Date Deposited:	29 Jul 2025 04:02
Last Modified:	29 Jul 2025 04:02
URI:	http://repository.unsri.ac.id/id/eprint/181442

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