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- Yamasaki Seiji
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University
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- Moriya Soichiro
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University
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- Simanullang Irwan L.
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University
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- Fujimoto Nozomu
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University
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- Sakon Atsushi
- Atomic Energy Research Institute, Kindai University
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- Sano Tadafumi
- Atomic Energy Research Institute, Kindai University
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- Takahashi Yoshiyuki
- Institute for Integrated Radiation and Nuclear Science, Kyoto University
説明
<p>In a block-type High-Temperature Gas-Cooled Reactor (HTGR), a fixed number of burnable poisons are loaded at the beginning of operation time to control a large amount of excess reactivity. Therefore, it is necessary to evaluate the burnable poison (BP) reactivity worth to achieve the optimum design of the HTGR. In this study, an experiment to measure the burnable poison worth reactivity was conducted at the B-Core of Kyoto University Critical Assembly (KUCA). B-core is solid moderator materials such as polyethylene and graphite combined with fuel plates to form the fuel element.</p><p>The experiment was performed to measure the reactivity worth of a small cadmium plate (15 × 15 × 0.5 mm) at the B-Core of KUCA. In the experiment, there are 8-unit cells in a fuel element. In this study, the unit cell position of cadmium is called the cadmium unit cell. The experiments were carried out by varying the cadmium plate position inside the cadmium unit cell.</p><p>This study evaluated the cadmium reactivity worth using the Monte Carlo MVP3. The objective of this study was to evaluate the appropriate results between the measured and the calculation values. The simulation using MVP3 code was conducted by varying the number of batches in the calculation. The results showed that the maximum discrepancy between experimental and calculated results was 24% for 5,000 batches. However, the discrepancy decreased when the number of batches increased to 50,000. The cadmium reactivity worth difference between the experiment and simulation was approximately 18 % depending on the cadmium plate position in the cadmium unit cell.</p>
収録刊行物
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- Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE
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Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE 2023.30 (0), 1271-, 2023
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390579753343087616
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- ISSN
- 24242934
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
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- 抄録ライセンスフラグ
- 使用不可