Effect of Protactinium-231 (Pa-231) Addition on Effective Multiplication Factor Value of ThN-U233N Fueled PWR Reactor

Authors

  • Ratna Dewi Syarifah Universitas Jember
  • Meirita Dwi Afriani
  • Wenny Maulina
  • Fajri Prasetya

DOI:

https://doi.org/10.19109/jifp.v7i2.19159

Keywords:

OpenMC; Protactinium-231; PWR; ThN-U233N, OpenMC, Pressurized Water Reactor, Protactinium-231

Abstract

This study aims to determine the optimum percentage of addition of protactinium-231 in a ThN-U233N fueled PWR reactor.In ThN-U233N, uranium-233 is used as the fissile material. Pa-231 as burnable poisson is added to ThN-U233N fuel to reduce the keff value. In this research conducted benchmarking keff values ​​of OpenMC and SRAC codes, homogeneous and heterogeneous core configurations, and the addition of Pa-231 in ThN-U233N fuel. Neutronic analysis was performed using the OpenMC code. In the homogeneous core configuration, the enrichment percentage of U-233 is varied by 1%-15%. Meanwhile, the heterogeneous core configuration uses 3 variations of ring geometry and fuel. The results of the benchmarking of the OpenMC and SRAC code keff values ​​show a maximum error of 1,906%. The homogeneous core configuration produces the optimum value for U-233 enrichment of 3%. Meanwhile, the optimum value of the heterogeneous core configuration is achieved in ring geometry F1 = F2 = F3 = 3 rings with enrichment of U-233 at F1 = 0,5%, F2 = 3%, F3 = 5,5% and addition of Pa-231 of 1.5%. The optimum calculation results has an excess reactivity value 8.37%.

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Published

08-12-2023

How to Cite

“Effect of Protactinium-231 (Pa-231) Addition on Effective Multiplication Factor Value of ThN-U233N Fueled PWR Reactor”. Jurnal Ilmu Fisika dan Pembelajarannya (JIFP) 7, no. 2 (December 8, 2023): 23–32. Accessed April 16, 2024. https://jurnal.radenfatah.ac.id/index.php/jifp/article/view/19159.