国和一号（CAP1400）首循环堆芯启动物理试验高保真模拟分析

彭良辉; 杨波; 汤春桃; 费敬然; 毕光文; 杨伟焱; 沈芷睿; 肖维; 申靖文; 刘鹏; 张旻婉

doi:10.11884/HPLPB202234.210372

国和一号（CAP1400）首循环堆芯启动物理试验高保真模拟分析

doi: 10.11884/HPLPB202234.210372

1.
上海核工程研究设计院有限公司, 上海 200233
2.
上海交通大学核科学与工程学院, 上海 200240
3.
北京应用物理与计算数学研究所, 北京 100094
4.
西安交通大学核科学与技术学院, 西安 710049

基金项目: 大型先进压水堆及高温气冷堆核电站重大专项资助项目（2019ZX06002017）

详细信息

作者简介:
彭良辉，penglianghui@snerdi.com.cn

中图分类号: TL329⁺.2
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- 被引次数: 0
出版历程
- 收稿日期: 2021-08-27
- 修回日期: 2021-10-09
- 网络出版日期: 2021-10-21
- 刊出日期: 2022-01-11

Zero power physics test high fidelity simulation for first core of Guo He One (CAP1400) reactor

1.
Shanghai Nuclear Engineering Research & Design Institute Company Limited, Shanghai 200233, China
2.
School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
3.
Institute of Applied Physics and Computational Mathematics, Beijing 100094, China
4.
School of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China

摘要

摘要: 为了避免启动物理试验参数预测值不准确，影响电厂调试启动，可利用数值反应堆对启动物理试验参数进行精准预测。使用CAP1400数值反应堆系统中的蒙特卡罗粒子输运程序JMCT、确定论高保真模拟程序NECP-X及先进中子学程序SCAP-N，对CAP1400反应堆首循环堆芯进行建模，开展启动物理试验高保真模拟。数值结果表明，以JMCT程序为参考，NECP-X程序与SCAP-N程序对于灰棒组价值的绝对计算偏差在±8×10⁻⁵以内，对于黑棒组价值的相对计算偏差在±3%以内，对于黑棒总价值的相对计算偏差在±1%以内，对于组件相对功率分布的相对计算偏差在±2.5%以内，各程序计算结果符合得很好，可有效支撑反应堆的调试启动过程。
- 数值反应堆 /
- JMCT /
- NECP-X /
- SCAP-N /
- 启动物理试验
Abstract: To avoid inaccurate predicted values of zero power physics test (ZPPT) parameters, which will affect the commissioning and startup of the nuclear power plant, the numerical reactor can be used to accurately predict the ZPPT parameters. Based on the codes of the CAP1400 numerical reactor system, including the Monte Carlo code JMCT, the deterministic high-fidelity code NECP-X and advanced neutronics code SCAP-N, the CAP1400 first core was modeled to realize high-fidelity simulation of the ZPPT parameters. Numerical results show that the calculation results of the three high-fidelity simulation codes are in good agreement. Taking JMCT as a reference, the absolute deviations of NECP-X and SCAP-N for the gray control bank worth are within ±8×10⁻⁵, the relative deviations for the black control bank worth are within ±3%, the relative deviations for the total worth of all the black control banks are within ±1%, and the relative deviations for the assemble relative power are within ±2.5%. The ZPPT parameters of the CAP1400 first core are accurately predicted, which can effectively support the commissioning and startup of the CAP1400 reactor.
- numerical reactor /
- JMCT /
- NECP-X /
- SCAP-N /
- zero power physics test

HTML全文

图 1 CAP1400首循环堆芯装载方案

Figure 1. The loading pattern of the CAP1400 first core

下载: 全尺寸图片幻灯片

图 2 CAP1400首循环堆芯JMCT程序建模结果

Figure 2. The JMCT modeling result of the CAP1400 first core

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图 3 CAP1400首循环堆芯热态零功率控制全提工况组件相对功率分布

Figure 3. Assemble relative power of the CAP1400 first core at HZP/ARO condition

下载: 全尺寸图片幻灯片

图 4 组件相对功率分布计算偏差统计

Figure 4. Distribution of the assemble relative power calculation deviations

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图 5 CAP1400首循环堆芯热态零功率控制全提工况栅元相对功率分布

Figure 5. Pin-by-pin relative power of the CAP1400 first core at HZP/ARO condition

下载: 全尺寸图片幻灯片

表 1 CAP1400反应堆首循环堆芯启动物理试验参数计算结果

Table 1. The ZPPT simulation results of the CAP1400 first core

item	result of JMCT	error of NECP-X⁽¹⁾	error of SCAP-N⁽¹⁾
critical boron concentration/10⁻⁶	1224.3	−23.6×10⁻⁶	−4.9×10⁻⁶
control bank worth of MA/10⁻⁵	205.6	−5.2×10⁻⁵	−7.6×10⁻⁵
control bank worth of MB/10⁻⁵	172.8	4.0×10⁻⁵	2.8×10⁻⁵
control bank worth of MC/10⁻⁵	210.9	0.4×10⁻⁵	−2.0×10⁻⁵
control bank worth of MD/10⁻⁵	187.5	−4.8×10⁻⁵	−6.9×10⁻⁵
control bank worth of M1/10⁻⁵	498.1	−0.24%	−0.88%
control bank worth of M2/10⁻⁵	740.7	0.68%	0.07%
control bank worth of AO/10⁻⁵	1619.9	−0.14%	−1.21%
control bank worth of SD1/10⁻⁵	785.6	−0.87%	−1.35%
control bank worth of SD2/10⁻⁵	939.2	−0.05%	−0.31%
control bank worth of SD3/10⁻⁵	891.2	0.39%	−0.19%
control bank worth of SD4/10⁻⁵	788.5	−2.50%	−2.79%
control bank worth of SD5/10⁻⁵	463.6	2.14%	1.16%
control bank worth of SD6/10⁻⁵	249.8	2.68%	1.98%
total worth of black control banks/10⁻⁵	6976.6	−0.08%	−0.72%
Note: critical boron concentration and control bank worth of MA~MD use absolute deviations, while the others use relative deviations.

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