System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review

Improving energy efficiency and reducing carbon emissions are crucial for the technological advancement of power systems. Various carbon dioxide (CO2) power cycles have been proposed for various applications. For high-temperature heat sources, the CO2 power system is more efficient than the ultra-su...

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Autores principales:	Enhua Wang, Ningjian Peng, Mengru Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	Co2 power cycle supercritical Brayton cycle transcritical Rankine cycle waste heat recovery geothermal power plant solar power generation General Works A
Acceso en línea:	https://doaj.org/article/67c34339d51c4e5894e75ca6d220afa5
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spelling	oai:doaj.org-article:67c34339d51c4e5894e75ca6d220afa52021-11-10T07:40:23ZSystem Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review2296-598X10.3389/fenrg.2021.723875https://doaj.org/article/67c34339d51c4e5894e75ca6d220afa52021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fenrg.2021.723875/fullhttps://doaj.org/toc/2296-598XImproving energy efficiency and reducing carbon emissions are crucial for the technological advancement of power systems. Various carbon dioxide (CO2) power cycles have been proposed for various applications. For high-temperature heat sources, the CO2 power system is more efficient than the ultra-supercritical steam Rankine cycle. As a working fluid, CO2 exhibits environmentally friendly properties. CO2 can be used as an alternative to organic working fluids in small- and medium-sized power systems for low-grade heat sources. In this paper, the main configurations and performance characteristics of CO2 power systems are reviewed. Furthermore, recent system improvements of CO2 power cycles, including supercritical Brayton cycles and transcritical Rankine cycles, are presented. Applications of combined systems and their economic performance are discussed. Finally, the challenges and potential future developments of CO2 power cycles are discussed. CO2 power cycles have their advantages in various applications. As working fluids must exhibit environmentally-friendly properties, CO2 power cycles provide an alternative for power generation, especially for low-grade heat sources.Enhua WangNingjian PengMengru ZhangFrontiers Media S.A.articleCo2 power cyclesupercritical Brayton cycletranscritical Rankine cyclewaste heat recoverygeothermal power plantsolar power generationGeneral WorksAENFrontiers in Energy Research, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Co2 power cycle supercritical Brayton cycle transcritical Rankine cycle waste heat recovery geothermal power plant solar power generation General Works A
spellingShingle	Co2 power cycle supercritical Brayton cycle transcritical Rankine cycle waste heat recovery geothermal power plant solar power generation General Works A Enhua Wang Ningjian Peng Mengru Zhang System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review
description	Improving energy efficiency and reducing carbon emissions are crucial for the technological advancement of power systems. Various carbon dioxide (CO2) power cycles have been proposed for various applications. For high-temperature heat sources, the CO2 power system is more efficient than the ultra-supercritical steam Rankine cycle. As a working fluid, CO2 exhibits environmentally friendly properties. CO2 can be used as an alternative to organic working fluids in small- and medium-sized power systems for low-grade heat sources. In this paper, the main configurations and performance characteristics of CO2 power systems are reviewed. Furthermore, recent system improvements of CO2 power cycles, including supercritical Brayton cycles and transcritical Rankine cycles, are presented. Applications of combined systems and their economic performance are discussed. Finally, the challenges and potential future developments of CO2 power cycles are discussed. CO2 power cycles have their advantages in various applications. As working fluids must exhibit environmentally-friendly properties, CO2 power cycles provide an alternative for power generation, especially for low-grade heat sources.
format	article
author	Enhua Wang Ningjian Peng Mengru Zhang
author_facet	Enhua Wang Ningjian Peng Mengru Zhang
author_sort	Enhua Wang
title	System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review
title_short	System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review
title_full	System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review
title_fullStr	System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review
title_full_unstemmed	System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review
title_sort	system design and application of supercritical and transcritical co2 power cycles: a review
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/67c34339d51c4e5894e75ca6d220afa5
work_keys_str_mv	AT enhuawang systemdesignandapplicationofsupercriticalandtranscriticalco2powercyclesareview AT ningjianpeng systemdesignandapplicationofsupercriticalandtranscriticalco2powercyclesareview AT mengruzhang systemdesignandapplicationofsupercriticalandtranscriticalco2powercyclesareview
_version_	1718440381638508544

System Design and Application of Supercritical and Transcritical CO2 Power Cycles: A Review

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