Performance analysis of a zeotropicmixture (R290/CO<sub>2</sub>) for trans-critical power cycle

Lisheng Pan; XiaolinWei; Weixiu Shi

doi:10.1016/j.cjche.2014.04.003

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Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle

化工热力学 | Updated：2026-01-06

- Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle
- Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle
- 中国化学工程学报（英文版） 2015年23卷第3期页码：572-577
- Affiliations：
  
  1. State Key Laboratory of High-Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences,Beijing,China,100190
  2. School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture,Beijing,China,100044
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.04.003
  中图分类号：
- 纸质出版：2015
- Accepted：
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Lisheng Pan, XiaolinWei, Weixiu Shi. Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle[J]. 中国化学工程学报（英文版）, 2015,23(3):572-577. DOI: 10.1016/j.cjche.2014.04.003.

) for trans-critical power cycle[J]. , 2015, 23(3): 572-577.
Lisheng Pan, XiaolinWei, Weixiu Shi. Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle[J]. 中国化学工程学报（英文版）, 2015,23(3):572-577. DOI: 10.1016/j.cjche.2014.04.003. DOI：

) for trans-critical power cycle[J]. , 2015, 23(3): 572-577. DOI： 10.1016/j.cjche.2014.04.003.

摘要

Abstract

Lowcritical temperature limits the application of CO

trans-critical power cycle. The binary mixture of R290/CO

has higher critical temperature. Using mixture fluid may solve the problem that subcritical CO

is hardly condensed by conventional cooling water. In this article

theoretical analysis is executed to study the performance of the zeotropic mixture for trans-critical power cycle using low-grade liquid heat source with temperature of 200℃. The results indicated that the problem that CO

can't be condensed in power cycle by conventional coolingwater can be solved bymixing R290 to CO

. Variation trend of outlet temperature of thermal oil in supercritical heaterwith heating pressure is determined by the composition of the mixture fluid. Gliding temperature causes the maximum outlet temperature of cooling water with the increase of mass fraction of R290. There are themaximumvalues for cycle thermal efficiency and net power outputwith the increase of supercritical heating pressure.

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Performance analysis of a zeotropicmixture (R290/CO2) for trans-critical power cycle

Performance analysis of a zeotropicmixture (R290/CO2) for trans-critical power cycle

DOI：10.1016/j.cjche.2014.04.003

摘要

Abstract

关键词

Keywords

references

Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle

Performance analysis of a zeotropicmixture (R290/CO₂) for trans-critical power cycle