Analisis Neutronik pada Gas Cooled Fast Reactor (GCFR) dengan Variasi Bahan Pendingin (He, CO2, N2)

Authors

  • Riska Riska Jurusan Fisika Universitas Andalas
  • Dian Fitriyani Jurusan Fisika Universitas Andalas
  • Feriska Handayani Irka Jurusan Fisika Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.5.1.28-34.2016

Abstract

Telah dilakukan analisis perhitungan neutronik pada gas cooled fast reactor (GCFR) menggunakan program SRAC yang dikembangkan oleh JAERI. Parameter neutronik pada GCFR yang diamati adalah nilai faktor multiplikasi (keff) dan burn up level pada teras reaktor. Analisis neutronik dilakukan untuk tiga variasi bahan pendingin, yaitu: helium, karbon dioksida dan nitrogen. Pada reaktor diterapkan strategi shuffling, yang bertujuan agar reaktor dapat beroperasi menggunakan uranium alam. Langkah pertama yang dilakukan adalah menetapkan spesifikasi umum reaktor, menentukan nilai densitas dan variasi fraksi volume yang akan digunakan pada program. Selanjutnya, dilakukan perhitungan power level pada bagian sel. Hasil perhitungan akan dihomogenisasi dan dicolapsing berdasarkan grup yang telah ditentukan. Kemudian hasil ini digunakan pada perhitungan teras untuk mendapatkan faktor multiplikasi dan power density. Proses ini terus berulang sampai didapatkan power level yang homogen dengan error ≤ 10-6.  Dari hasil simulasi menunjukkan bahwa pendingin karbon dioksida dengan fraksi coolant 25% mempunyai nilai faktor multiplikasi (keff) dan burn up level yang paling optimal.

Kata kunci: analisis neutronik, bahan pendingin, GCFR, karbon dioksida.

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Published

2016-01-01

How to Cite

Riska, R., Fitriyani, D., & Irka, F. H. (2016). Analisis Neutronik pada Gas Cooled Fast Reactor (GCFR) dengan Variasi Bahan Pendingin (He, CO2, N2). Jurnal Fisika Unand, 5(1), 28–34. https://doi.org/10.25077/jfu.5.1.28-34.2016

Issue

Vol. 5 No. 1 (2016)

Section

Articles

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Copyright (c) 2016 Riska Riska, Dian Fitriyani, Feriska Handayani Irka

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