Comparison of the neutronic properties of the (Th-233U)O2, (Th-233U)C, and (Th-233U)N fuels in small long-life PWR cores with 300, 400, and 500 MWth of power

• Autorzy: Lapanporo Boni Pahlanop , Su’ud Zaki , Mustari Asril Pramutadi Andi

Identyfikatory

DOI

10.2478/nuka-2024-0001

• Języki publikacji: EN

Abstrakty

EN

The neutronic characteristics of (Th-233U)O2, (Th-233U)C, and (Th-233U)N have been compared in small long-life pressurized water reactors (PWRs). Neutronic calculations were carried out at 300 MWth, 400 MWth, and 500 MWth with two cladding types: zircaloy-4 and ZIRLO (Zr low oxygen). They were performed using the Standard Reactor Analysis Code (SRAC) and JENDL-4.0 nuclide data, dividing the reactor core into three fuel zones with varying 233U enrichment levels, ranging from 3% to 9% and fl uctuating by 1%, employing the PIJ module at the fuel cell level and the CITATION module at the reactor core level. In addition, 231Pa was added as burnable poison (BP). The (Th-233U)N fuel demonstrated superior criticality compared to the other fuel types, as it consistently achieves critical conditions throughout the reactor’s operating cycle with excess reactivity <1.00% dk/k for several fuel confi gurations at the 300 MWth and 400 MWth power levels. Moreover, the (Th-233U)N and (Th-233U)C fuels exhibited similar and fl atter power density distribution patterns compared to the (Th-233U)O2 fuel. The power peaking factor (PPF) value was relatively higher for (Th-233U)O2 fuel than the other two fuels. The (Th-233U)N fuel exhibited the most negative Doppler coefficient, followed by (Th- 233U)C and (Th-233U)O2 fuels. Analysis of burnup levels revealed that the (Th-233U)O2 fuel achieved significantly higher burnup than the other two fuels.

Słowa kluczowe

EN

CITATION; core design; long-life PWR; SMR; SRAC; Thorium

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2024
• Tom: Vol. 69, No. 1
• Strony: 3--12
• Opis fizyczny: Bibliogr. 36 poz., rys.

Twórcy

autor

Lapanporo Boni Pahlanop

• Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung Jl. Ganesa 10, Bandung 40132, Indonesia
• Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Tanjungpura, Jl. Prof. Dr. H. Hadari Nawawi, Pontianak 78124, Indonesia

• https://orcid.org/0000-0002-0041-0427

autor

Su’ud Zaki

• Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung Jl. Ganesa 10, Bandung 40132, Indonesia and Nuclear Physics & Biophysics Research Division Department of Physics, Faculty of Mathematics
• Natural Sciences, Institut Teknologi Bandung Jl. Ganesa 10, Bandung 40132, Indonesia

• https://orcid.org/0000-0001-8907-9824

autor

Mustari Asril Pramutadi Andi

• Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung Jl. Ganesa 10, Bandung 40132, Indonesia and Nuclear Physics & Biophysics Research Division Department of Physics, Faculty of Mathematics
• Natural Sciences, Institut Teknologi Bandung Jl. Ganesa 10, Bandung 40132, Indonesia

• https://orcid.org/0000-0002-6546-4493

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).