蒙特卡洛反应堆分析中用于内联临界棒位置搜索计算的中子平衡法

IF 2.6 3区 工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY
YuGwon Jo, Jaewoon Yoo, Jae-Yong Lim
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引用次数: 0

摘要

临界棒位置搜索一直是蒙特卡罗(MC)反应堆分析的问题之一。本文基于中子平衡方程和控制棒吸收率与控制棒插入总长度之间的单调关系,提出了一种实用而简单的临界棒位置搜索方法。提出的方法在 MC 反应堆设计代码 McCARD 中以内联方式实施,因此临界棒位置在每次裂变源迭代时都会计算和更新。一个典型快堆问题的数值结果表明,所提出的方法在临界棒位置搜索计算中具有良好的性能。此外,还进行了循环耗尽计算,以显示 McCARD 模拟有杆运行条件的能力。通过中子平衡方法解决临界棒位置搜索问题,将扩大 MC 代码在先进反应堆设计中的适用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Neutron balance approach for inline critical rod position search calculation in Monte Carlo reactor analysis
The critical rod position search has been one of the issues in the Monte Carlo (MC) reactor analysis. This paper proposes a practical and simple approach for the critical rod position search based on the neutron balance equation and the monotonic relation between the control rod absorption rate and the total rod insertion length. The proposed method was implemented in an inline manner within the McCARD, the MC reactor design code, so that the critical rod position is calculated and updated for each fission source iteration. The numerical results in a typical fast reactor problem demonstrate the promising performance of the proposed method in the critical rod position search calculation. Furthermore, the cycle depletion calculation was performed to show the capability of the McCARD to simulate the rodded operation condition. By addressing the critical rod position search problem through the neutron balance approach, the applicability of the MC code in the advanced reactor design will be expanded.
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来源期刊
Nuclear Engineering and Technology
Nuclear Engineering and Technology 工程技术-核科学技术
CiteScore
4.80
自引率
7.40%
发文量
431
审稿时长
3.5 months
期刊介绍: Nuclear Engineering and Technology (NET), an international journal of the Korean Nuclear Society (KNS), publishes peer-reviewed papers on original research, ideas and developments in all areas of the field of nuclear science and technology. NET bimonthly publishes original articles, reviews, and technical notes. The journal is listed in the Science Citation Index Expanded (SCIE) of Thomson Reuters. NET covers all fields for peaceful utilization of nuclear energy and radiation as follows: 1) Reactor Physics 2) Thermal Hydraulics 3) Nuclear Safety 4) Nuclear I&C 5) Nuclear Physics, Fusion, and Laser Technology 6) Nuclear Fuel Cycle and Radioactive Waste Management 7) Nuclear Fuel and Reactor Materials 8) Radiation Application 9) Radiation Protection 10) Nuclear Structural Analysis and Plant Management & Maintenance 11) Nuclear Policy, Economics, and Human Resource Development
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