Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia

The Rankine cycle is widely used for electricity production. Significant weight and size characteristics of the power equipment working on superheated steam are the main disadvantages of such power plants. The transition to supercritical carbon dioxide (S-CO<sub>2</sub>) working fluid is...

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Autores principales:	Andrey Rogalev, Vladimir Kindra, Ivan Komarov, Sergey Osipov, Olga Zlyvko
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	supercritical carbon dioxide working fluid thermodynamic optimization efficiency recompression bypass Technology T
Acceso en línea:	https://doaj.org/article/9e7219a74c694e168d49bc5633b0bd69
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spelling	oai:doaj.org-article:9e7219a74c694e168d49bc5633b0bd692021-11-11T15:55:29ZStructural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia10.3390/en142171361996-1073https://doaj.org/article/9e7219a74c694e168d49bc5633b0bd692021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7136https://doaj.org/toc/1996-1073The Rankine cycle is widely used for electricity production. Significant weight and size characteristics of the power equipment working on superheated steam are the main disadvantages of such power plants. The transition to supercritical carbon dioxide (S-CO<sub>2</sub>) working fluid is a promising way to achieve a significant reduction in equipment metal consumption and to increase energy efficiency. This paper presents the results of thermodynamic analysis of S-CO<sub>2</sub> thermal power plants (TPPs) utilizing the heat of combustion products of an energy boiler. It was found that the net efficiency of the developed S-CO<sub>2</sub> TPP with a pulverized coal-fired boiler reached 49.2% at an initial temperature of 780 °C, which was 2% higher compared to the efficiency level of steam turbine power plants (STPPs) at a similar turbine inlet temperature.Andrey RogalevVladimir KindraIvan KomarovSergey OsipovOlga ZlyvkoMDPI AGarticlesupercritical carbon dioxideworking fluidthermodynamic optimizationefficiencyrecompressionbypassTechnologyTENEnergies, Vol 14, Iss 7136, p 7136 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	supercritical carbon dioxide working fluid thermodynamic optimization efficiency recompression bypass Technology T
spellingShingle	supercritical carbon dioxide working fluid thermodynamic optimization efficiency recompression bypass Technology T Andrey Rogalev Vladimir Kindra Ivan Komarov Sergey Osipov Olga Zlyvko Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia
description	The Rankine cycle is widely used for electricity production. Significant weight and size characteristics of the power equipment working on superheated steam are the main disadvantages of such power plants. The transition to supercritical carbon dioxide (S-CO<sub>2</sub>) working fluid is a promising way to achieve a significant reduction in equipment metal consumption and to increase energy efficiency. This paper presents the results of thermodynamic analysis of S-CO<sub>2</sub> thermal power plants (TPPs) utilizing the heat of combustion products of an energy boiler. It was found that the net efficiency of the developed S-CO<sub>2</sub> TPP with a pulverized coal-fired boiler reached 49.2% at an initial temperature of 780 °C, which was 2% higher compared to the efficiency level of steam turbine power plants (STPPs) at a similar turbine inlet temperature.
format	article
author	Andrey Rogalev Vladimir Kindra Ivan Komarov Sergey Osipov Olga Zlyvko
author_facet	Andrey Rogalev Vladimir Kindra Ivan Komarov Sergey Osipov Olga Zlyvko
author_sort	Andrey Rogalev
title	Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia
title_short	Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia
title_full	Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia
title_fullStr	Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia
title_full_unstemmed	Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia
title_sort	structural and parametric optimization of s-co<sub>2</sub> thermal power plants with a pulverized coal-fired boiler operating in russia
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9e7219a74c694e168d49bc5633b0bd69
work_keys_str_mv	AT andreyrogalev structuralandparametricoptimizationofscosub2subthermalpowerplantswithapulverizedcoalfiredboileroperatinginrussia AT vladimirkindra structuralandparametricoptimizationofscosub2subthermalpowerplantswithapulverizedcoalfiredboileroperatinginrussia AT ivankomarov structuralandparametricoptimizationofscosub2subthermalpowerplantswithapulverizedcoalfiredboileroperatinginrussia AT sergeyosipov structuralandparametricoptimizationofscosub2subthermalpowerplantswithapulverizedcoalfiredboileroperatinginrussia AT olgazlyvko structuralandparametricoptimizationofscosub2subthermalpowerplantswithapulverizedcoalfiredboileroperatinginrussia
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Structural and Parametric Optimization of S-CO<sub>2</sub> Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia

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