STUDI BAHAN BAKAR NUKLIR URANIUM METAL (U-Zr) MENGGUNAKAN PERANGKAT LUNAK OPENMC

RAMADHANI, ATHIYYAH and Monado, Fiber and Ariani, Menik (2025) STUDI BAHAN BAKAR NUKLIR URANIUM METAL (U-Zr) MENGGUNAKAN PERANGKAT LUNAK OPENMC. Undergraduate thesis, Sriwijaya University.

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Abstract

Penelitian bertujuan untuk menganalisis kinerja bahan bakar U-Zr untuk reaktor Gas-Cooled Fast Reactor (GFR). Analisis dilakukan menggunakan perangkat lunak OpenMC untuk mensimulasikan perilaku bahan bakar selama masa burnup 60 tahun, serta menganalisis perbedaan kinerjanya pada U-Zr dengan penambahan minor aktinida Np. Variasi persentase pengayaan U-235 dari 1% hingga 10% dieksplorasi untuk menentukan komposisi sel yang optimal untuk dilakukan burnup. Hasil penelitian menunjukkan bahwa sel bahan bakar U-Zr dengan pengayaan 7% U-235 menunjukkan kinerja terbaik, dengan keff awal sebesar 1,02331 dan keff akhir 1,04188, serta mampu mempertahankan kondisi kritis selama 60 tahun burnup. Analisis neutronik lainnya meliputi distribusi fluks neutron, dan laju reaksi fisi yang menunjukkan peningkatan secara bertahap seiring waktu, serta pengamatan terhadap perubahan massa nuklida utama. Penambahan minor aktinida Np sebesar 0,25%, 0,5%, 0,75%, dan 1% juga diuji, dengan hasil yang menunjukkan efek yang tidak signifikan terhadap perubahan nilai keff. Kesimpulan dari penelitian menegaskan potensi bahan bakar U-Zr dengan pengayaan 7% U-235 sebagai kandidat bahan bakar yang aman dan efisien untuk reaktor GFR generasi mendatang, serta mendukung pengembangan energi nuklir berkelanjutan di Indonesia melalui pemanfaatan reaktor cepat.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: OpenMC; Bahan Bakar Uranium Metalik; GFR; Analisis Neutronik; Burnup
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: Athiyyah Ramadhani
Date Deposited: 14 Jul 2025 01:49
Last Modified: 14 Jul 2025 01:49
URI: http://repository.unsri.ac.id/id/eprint/178204

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