Research progress and applications of thermophysical equations of carbon dioxide

HE Xinxin; PEI Dongsheng; CHEN Huiyong; XUE Zhiheng; ZHANG Pengfei; CHENG Funing

doi:10.19666/j.rlfd.202008223

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Research progress and applications of thermophysical equations of carbon dioxide

更新时间：2025-09-28

- Research progress and applications of thermophysical equations of carbon dioxide
- Thermal Power Generation Vol. 50, Issue 5, Pages: 27-33(2021)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202008223
  CLC： TM619
- Published：2021
- 稿件说明：
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HE Xinxin, PEI Dongsheng, CHEN Huiyong, et al. Research progress and applications of thermophysical equations of carbon dioxide[J]. Thermal power generation, 2021, 50(5): 27-33.
DOI：

HE Xinxin, PEI Dongsheng, CHEN Huiyong, et al. Research progress and applications of thermophysical equations of carbon dioxide[J]. Thermal power generation, 2021, 50(5): 27-33. DOI： 10.19666/j.rlfd.202008223.

摘要

精准的二氧化碳热物理性质(热物性)数据对于超临界二氧化碳发电系统设备的仿真设计、加工制造、性能测试以及运行优化等具有重要意义。本文综述了适用于二氧化碳的典型状态方程、导热系数方程和黏度方程的基本原理及其研究进展

对不同类型方程的计算精度进行了综合比较并给出了推荐使用方案。列举了多种可用于工程应用的二氧化碳热物性计算软件或程序

重点介绍了REFPROP软件计算二氧化碳热物性的模型。最后

对二氧化碳热物性计算的发展趋势进行了展望。

Abstract

Accurate thermophysical data for carbon dioxide is of great significance to simulation design

manufacturing

performance test and operation optimization equipment for supercritical carbon dioxide power generation systems. In this paper

the basic principle and research progress of typical state equations

thermal conductivity equations and viscosity equations suitable for carbon dioxide are reviewed

and the calculation accuracy of different types of equations is compared and the recommended scheme is given. Moreover

a variety of software or programs for calculating the thermophysical properties of CO2 in engineering are listed

and the models in REFPROP software are highlighted. In addition

the development trend of calculation for CO2 thermophysical property is prospected.

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Related Institution

Key Laboratory of Thermal Science and Power Engineering, Ministry of Education, Tsinghua University

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