Transport Calculations of MOX and UO2 Pin Cells by the Method of Characteristics.
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- T.PETKOV Petko
- Department of Nuclear Engineering, Graduate School of Engineering, Osaka University
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- TAKEDA Toshikazu
- Department of Nuclear Engineering, Graduate School of Engineering, Osaka University
書誌事項
- タイトル別名
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- Transport Calculations of MOX and UO2 P
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A new transport theory code for two-dimensional calculations of both square and hexagonal fuel lattices by the method of characteristics has been developed. The ray tracing procedure is based on the macroband method, which permits more accurate spatial integration in comparison to the equidistant method of tracing. The neutron source within each region is approximated by a linear function and linearly anisotropic scattering can be optionally accounted for. Efficient new techniques for both azimuthal and polar integration are presented. The spatial discretization problem in case of P1-scattering has been studied. Detailed analyses show that the P1-scattering in case of regular infinite array of fuel cells is significant, especially for MOX fuel, while the transport correction is inadequate in case of real geometry multi-group calculations. Finally, the complicated nature of the angular flux in MOX and UO2 fuel cells is demonstrated.
収録刊行物
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- Journal of Nuclear Science and Technology(日本原子力学会英文論文誌)
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Journal of Nuclear Science and Technology(日本原子力学会英文論文誌) 35 (12), 874-885, 1998
一般社団法人 日本原子力学会
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詳細情報 詳細情報について
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- CRID
- 1390001204095267456
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- NII論文ID
- 10002080515
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- NII書誌ID
- AA00703720
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- COI
- 1:CAS:528:DyaK1MXhtFSns78%3D
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- ISSN
- 18811248
- 00223131
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- NDL書誌ID
- 4629720
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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
- NDL
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- CiNii Articles
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- 使用不可