超临界CO<sub>2</sub>印刷电路板换热器热工水力特性研究

明杨; 金旸; 杨雯; 赵富龙; 谭思超; 田瑞峰

doi:10.11990/jheu.202207039

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超临界CO₂印刷电路板换热器热工水力特性研究

更新时间：2025-09-01

- 超临界CO₂印刷电路板换热器热工水力特性研究
- Thermal-hydraulic characteristics of a printed circuit board heat exchanger using supercritical carbon dioxide
- 哈尔滨工程大学学报 2024年45卷第4期页码：819-824
- 作者机构：
  
  1.哈尔滨工程大学核科学与技术学院, 黑龙江哈尔滨 150001
  2.中国舰船研究设计中心, 湖北武汉 430000
  3.中国核动力研究设计院, 四川成都 610041
- 作者简介：
  
  [ "明杨, 男, 博士研究生" ]
  [ "田瑞峰, 男, 教授, 博士生导师" ]
- 基金信息：
  
  国家级青年人才项目(2021QNRC001)
- DOI：10.11990/jheu.202207039
  中图分类号： TL328
- 收稿：2022-07-18，
  
  网络首发：2024-02-09，
  
  纸质出版：2024-04-05
- 稿件说明：
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明杨, 金旸, 杨雯, 等. 超临界CO₂印刷电路板换热器热工水力特性研究[J]. 哈尔滨工程大学学报, 2024,45(4):819-824.

Yang MING, Yang JIN, Wen YANG, et al. Thermal-hydraulic characteristics of a printed circuit board heat exchanger using supercritical carbon dioxide[J]. Journal of Harbin Engineering University, 2024, 45(4): 819-824.
明杨, 金旸, 杨雯, 等. 超临界CO₂印刷电路板换热器热工水力特性研究[J]. 哈尔滨工程大学学报, 2024,45(4):819-824. DOI： 10.11990/jheu.202207039.

Yang MING, Yang JIN, Wen YANG, et al. Thermal-hydraulic characteristics of a printed circuit board heat exchanger using supercritical carbon dioxide[J]. Journal of Harbin Engineering University, 2024, 45(4): 819-824. DOI： 10.11990/jheu.202207039.

摘要

对于超临界CO

布雷顿循环中的印刷电路板换热器

其复杂结构与工作介质的特殊物理性质将导致集总参数方法出现较大的计算误差。为提升印刷电路板换热器的换热参数的计算精度

本文基于Modelica语言

采取分节点建模方法

开发了印刷电路板换热器的热工水力特性计算程序

对其稳态运行时的换热参数进行了分析。结果表明: 印刷电路板换热器的通道内超临界CO

的对流换热系数沿流动方向发生显著变化。与设计值相比

分节点计算程序的最大相对误差小于3 %

计算精度相比于集总参数方法显著提升

因此有必要采取分节点计算方法以提高计算精度。研究结果可为超临界CO

布雷顿循环系统中印刷电路板换热器的设计和仿真提供参考。

Abstract

For the printed circuit heat exchanger (PCHE) in supercritical CO

Brayton cycle

its complex structure and special physical properties of the working medium will lead to large calculation errors in the lumped parameter method. To improve calculation accuracy

the PCHE thermal-hydraulic calculation program is developed on the basis of the Modelica language. The parameters of PCHE during steady-state operation are analyzed using the subnode method. The results show that the convective heat transfer coefficient of sCO

in the PCHE channel substantially changes along the flow direction. Compared with the design value

the maximum relative error of the subnode calculation program is less than 3 %. The calculation accuracy is also greatly improved compared with that of the lumped parameter method. Therefore

the subnode calculation method should be adopted to improve the calculation accuracy. The results can provide a reference for the design and simulation of PCHE in sCO

Brayton cycle systems.

关键词

Keywords

references

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关联资源

印刷电路板换热器中S-CO换热特性数值分析

圆管内氦氙混合气体与超临界二氧化碳换热特性对比分析

直通道PCHE内S-CO₂与铅铋合金耦合换热特性数值分析

几何结构对S-CO₂离心压缩机热力学性能影响分析

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超临界CO2印刷电路板换热器热工水力特性研究

Thermal-hydraulic characteristics of a printed circuit board heat exchanger using supercritical carbon dioxide

DOI：10.11990/jheu.202207039

摘要

Abstract

关键词

Keywords

references

超临界CO₂印刷电路板换热器热工水力特性研究