ACP100集成式堆顶结构可压缩气体对流传热数值模拟

何培峰; 许斌; 罗英; 余豪; 马梓淇; 孙善文; 周进雄

doi:10.11889/j.0253-3219.2016.hjs.39.100601

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ACP100集成式堆顶结构可压缩气体对流传热数值模拟

核能科学与工程 | 更新时间：2021-05-24

- ACP100集成式堆顶结构可压缩气体对流传热数值模拟
  封面论文
- Numerical simulation on the convective heat transfer of compressive gas in ACP100 integrated head package
- 核技术 2016年39卷第10期文章编号：100601
- 作者机构：
  
  1.中国核动力研究设计院核反应堆系统设计技术重点实验室成都 610200
  2.西安交通大学航天航空学院机械结构强度与振动国家重点实验室西安 710049
- 作者简介：
  
  [ "何培峰, 男, 1981年出生, 2006年于浙江大学获硕士学位, 研究领域为反应堆结构设计", "HE Peifeng, male, born in 1981, graduated from Zhejiang University with a master's degree in 2006, focusing on reactor structural design" ]
  周进雄, E-mail:jxzhouxx@mail.xjtu.edu.cn ZHOU Jinxiong, E-mail:jxzhouxx@mail.xjtu.edu.cn
- 基金信息：
  
  中国核动力研究设计院核反应堆系统设计技术重点实验室课题(HT-A100-02-2015002)
- DOI：10.11889/j.0253-3219.2016.hjs.39.100601
  中图分类号： TL45
- 收稿日期：2016-05-03，
  
  修回日期：2016-07-28，
  
  纸质出版日期：2016-10
- 稿件说明：
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何培峰, 许斌, 罗英, 等. ACP100集成式堆顶结构可压缩气体对流传热数值模拟[J]. 核技术, 2016,39(10):100601

Peifeng HE, Bin XU, Ying LUO, et al. Numerical simulation on the convective heat transfer of compressive gas in ACP100 integrated head package[J]. Nuclear techniques, 2016, 39(10): 100601
何培峰, 许斌, 罗英, 等. ACP100集成式堆顶结构可压缩气体对流传热数值模拟[J]. 核技术, 2016,39(10):100601 DOI： 10.11889/j.0253-3219.2016.hjs.39.100601.

Peifeng HE, Bin XU, Ying LUO, et al. Numerical simulation on the convective heat transfer of compressive gas in ACP100 integrated head package[J]. Nuclear techniques, 2016, 39(10): 100601 DOI： 10.11889/j.0253-3219.2016.hjs.39.100601.

摘要

反应堆集成式堆顶结构的功能之一是通过冷却气体的对流传热为控制棒驱动机构提供冷却。针对ACP100反应堆集成式堆顶结构建立完整的模型并划分流场网格，基于ANSYS/CFX软件分别对可压缩气体和不可压缩气体进行计算，并严格对比分析了其结果，重点研究气体可压缩性对对流传热计算结果的影响。计算结果表明，气体可压缩性对速度、温度分布和压降有较大影响，忽略气体可压缩性所预测的控制棒驱动机构表面最高温度偏低，控制棒驱动机构间隙气体最大流速和压降也偏低。

Abstract

Background

One of the functions of the integrated head package is to cool down control rod drive mechanism (CRDM)

which is realized through convective flow and heat transfer of cooling gas.

Purpose

Concerning the integrated head package of ACP100 nuclear reactor

we rigorously compared the thermal-fluid computation results. The emphasis of numerical simulation and comparison was laid on the effect of gas compressibility on heat transfer of cooling gas.

Methods

The complete mesh model is built by HyperMesh and the thermal-fluid computation results are simulated with commercial ANSYS/CFX software and treating fluid media as both compressible and incompressible gases.

Results

The simulation results show that the gas compressibility has great impact on the distribution of temperature

velocity and pressure fields.

Conclusion

Ignoring the compressibility of gas would give an underestimation of maximum temperature on CRDM surfaces

lower maximum velocity and smaller pressure drop on CRDM gaps.

关键词

Keywords

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