Analysis of the BEAVRS PWR benchmark using SCALE and PARCS

IF 0.7 4区 物理与天体物理 Q4 CHEMISTRY, INORGANIC & NUCLEAR
Nukleonika Pub Date : 2019-09-01 DOI:10.2478/nuka-2019-0011
P. Darnowski, Michał Pawluczyk
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引用次数: 12

Abstract

Abstract This paper presents an analysis of the Benchmark for Evaluation And Validation of Reactor Simulations (BEAVRS) performed using SCALE 6.1.2 and PARCS 3.2 computer codes. The benchmark specification contains a detailed design, operational data and measurements for a real 4-loop Westinghouse pressurized water reactor (PWR). The lattice physics simulations were prepared using TRITON depletion sequence and NEWT neutron transport solver (SCALE package). The 238-neutron group library based on evaluated nuclear data file – ENDF/B-VII nuclear data libraries was applied. A set of branch and burnup calculations was prepared, and group constants in the form of PMAXS files were generated with GenPMAXS. The full-core models were prepared using the PARCS nodal-diffusion core simulator. The PMAXS libraries were used with PARCS to investigate the core operation. The hot zero power measurement data, including control rod worths and critical boron concentrations, were compared using simulations, and satisfactory results were achieved. The first fuel cycle was simulated, and acceptable agreement with boron letdown curve and measurements were obtained. Finally, conclusions and recommendations for future research were presented.
利用SCALE和PARCS分析BEAVRS压水堆基准
摘要本文分析了使用SCALE 6.1.2和PARCS 3.2计算机代码进行的反应堆模拟评估和验证基准(BEAVRS)。基准规范包含一个真正的4回路西屋压水反应堆(PWR)的详细设计、运行数据和测量。晶格物理模拟是使用TRITON耗尽序列和NEWT中子输运求解器(SCALE软件包)进行的。应用了基于评估核数据文件的238中子群库——ENDF/B-VII核数据库。准备了一组分支和燃耗计算,并使用GenPMAXS生成了PMAXS文件形式的组常数。使用PARCS节点扩散堆芯模拟器制备全堆芯模型。PMAXS库与PARCS一起用于研究核心操作。通过模拟比较了包括控制棒价值和临界硼浓度在内的热零功率测量数据,取得了令人满意的结果。模拟了第一次燃料循环,并获得了与硼排放曲线和测量值可接受的一致性。最后,对今后的研究提出了结论和建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Nukleonika
Nukleonika 物理-无机化学与核化学
CiteScore
2.00
自引率
0.00%
发文量
5
审稿时长
4-8 weeks
期刊介绍: "Nukleonika" is an international peer-reviewed, scientific journal publishing original top quality papers on fundamental, experimental, applied and theoretical aspects of nuclear sciences. The fields of research include: radiochemistry, radiation measurements, application of radionuclides in various branches of science and technology, chemistry of f-block elements, radiation chemistry, radiation physics, activation analysis, nuclear medicine, radiobiology, radiation safety, nuclear industrial electronics, environmental protection, radioactive wastes, nuclear technologies in material and process engineering, radioisotope diagnostic methods of engineering objects, nuclear physics, nuclear reactors and nuclear power, reactor physics, nuclear safety, fuel cycle, reactor calculations, nuclear chemical engineering, nuclear fusion, plasma physics etc.
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