Review And Comparison Of Neutronic Parameters Of VVER-1200 And PWR Fuel Assemblies With Different Burnable Absorbers

Abstract

Burnable absorbers offer a promising approach for achieving safe and efficient energy generation through the control of fission reactions within nuclear reactors. In this study, the neutronic parameters of Pressurized Water Reactor (PWR) and Water-Water Energy Reactor-1200 (VVER-1200) fuel assemblies were examined and compared using the Monte Carlo N-Particle (MCNP) code with different burnable absorbers. To investigate the impact of burnable absorber concentration on neutronic parameters in the absence of control rods, four different scenarios were developed using Integral Burnable Absorber (IBA) and Integral Fuel Burnable Absorber (IFBA) rods. The study also investigated the influence of the presence of IBA, IFBA and HYBRID rods, as well as increasing assembly temperature, on the effective multiplication factor keff values for PWR and VVER-1200 fuel assemblies. The criticality level of the PWR using standard fuel consistently surpasses that of the VVER-1200 reactor at all temperature conditions. Nevertheless, the installation of a burnable absorber leads to elevated keff values for VVER fuel. Additionally, the study compared the keff values, actinide isotope masses, and burnup values that changed with increasing irradiation time in both PWR and VVER-1200 fuel assemblies.

Department(s)

Nuclear Engineering and Radiation Science

Comments

Türkiye Bilimsel ve Teknolojik Araştırma Kurumu, Grant 122F488

Keywords and Phrases

Burnable absorbers; Burnup; Fuel performance; Neutronic parameters; Reactor safety

International Standard Serial Number (ISSN)

0149-1970

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2024 Elsevier, All rights reserved.

Publication Date

01 Jun 2024

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