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The two-step approach for whole-core resonance self-shielding calculation

  • Shuai Qin
  • , Qian Zhang
  • , Liang Liang
  • , Qingming He
  • , Hongchun Wu
  • Harbin Engineering University
  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A two-step approach is proposed to accomplish high-fidelity whole-core resonance self-shielding calculation. Direct slowing-down equation solving based on the pin-cell scale is performed as the first step to simulate different operating conditions of the reactor. Resonance database is fitted using the results from the pin-cell calculation. Several techniques are used in the generation of the resonance database to estimate multiple types of resonance effects. The second step is the calculation of practical whole-core problem using the resonance database obtained from the first step. The transport solver is embedded both at the first step and the second step to establish the equivalence relationship between the fuel rod in the practical problem and the pin-cell at the first step. The numerical results show that the new approach have capability to perform high-fidelity resonance calculations for practical problem.

源语言英语
主期刊名International Conference on Physics of Reactors
主期刊副标题Transition to a Scalable Nuclear Future, PHYSOR 2020
编辑Marat Margulis, Partrick Blaise
出版商EDP Sciences - Web of Conferences
555-563
页数9
ISBN(电子版)9781713827245
DOI
出版状态已出版 - 2020
活动2020 International Conference on Physics of Reactors: Transition to a Scalable Nuclear Future, PHYSOR 2020 - Cambridge, 英国
期限: 28 3月 20202 4月 2020

出版系列

姓名International Conference on Physics of Reactors: Transition to a Scalable Nuclear Future, PHYSOR 2020
2020-March

会议

会议2020 International Conference on Physics of Reactors: Transition to a Scalable Nuclear Future, PHYSOR 2020
国家/地区英国
Cambridge
时期28/03/202/04/20

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