Splitting Physical Exergy by Its Feasible Working Ways

This paper analyzed the problems associated with physical exergy splitting, and based on this, presented a new splitting method. This new method splits the physical exergy into three parts according to the feasible working ways, i.e.,: the direct, indirect, and adaptive exergy. The computational met...

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Auteurs principaux:	Dongbo Gao, Xiaoqi Peng, Yanpo Song, Ping Zhou
Format:	article
Langue:	EN
Publié:	MDPI AG 2021
Sujets:	exergy splitting physical exergy thermal exergy mechanical exergy working way Chemical technology TP1-1185 Chemistry QD1-999
Accès en ligne:	https://doaj.org/article/6a47c17c5eeb4e12a75fedf48ae7a3f0
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id	oai:doaj.org-article:6a47c17c5eeb4e12a75fedf48ae7a3f0
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spelling	oai:doaj.org-article:6a47c17c5eeb4e12a75fedf48ae7a3f02021-11-25T18:52:16ZSplitting Physical Exergy by Its Feasible Working Ways10.3390/pr91120912227-9717https://doaj.org/article/6a47c17c5eeb4e12a75fedf48ae7a3f02021-11-01T00:00:00Zhttps://www.mdpi.com/2227-9717/9/11/2091https://doaj.org/toc/2227-9717This paper analyzed the problems associated with physical exergy splitting, and based on this, presented a new splitting method. This new method splits the physical exergy into three parts according to the feasible working ways, i.e.,: the direct, indirect, and adaptive exergy. The computational method and the physical meaning of the three exergy parts were presented in detail in terms of graphic representation and mathematical derivation. Then, it was applied to the exergy analysis of a thermal power cycle. The results show that compared with the conventional method which splits the physical exergy into thermal and mechanical parts, the current exergy splitting method can better represent the change rule of the working ability of the real working stream in the cycle and the influence of some operation parameters, such as the turbine inlet temperature, on the real working ability. The study suggests that the new method can make the exergy analysis more helpful and guidable in its applications.Dongbo GaoXiaoqi PengYanpo SongPing ZhouMDPI AGarticleexergy splittingphysical exergythermal exergymechanical exergyworking wayChemical technologyTP1-1185ChemistryQD1-999ENProcesses, Vol 9, Iss 2091, p 2091 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	exergy splitting physical exergy thermal exergy mechanical exergy working way Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	exergy splitting physical exergy thermal exergy mechanical exergy working way Chemical technology TP1-1185 Chemistry QD1-999 Dongbo Gao Xiaoqi Peng Yanpo Song Ping Zhou Splitting Physical Exergy by Its Feasible Working Ways
description	This paper analyzed the problems associated with physical exergy splitting, and based on this, presented a new splitting method. This new method splits the physical exergy into three parts according to the feasible working ways, i.e.,: the direct, indirect, and adaptive exergy. The computational method and the physical meaning of the three exergy parts were presented in detail in terms of graphic representation and mathematical derivation. Then, it was applied to the exergy analysis of a thermal power cycle. The results show that compared with the conventional method which splits the physical exergy into thermal and mechanical parts, the current exergy splitting method can better represent the change rule of the working ability of the real working stream in the cycle and the influence of some operation parameters, such as the turbine inlet temperature, on the real working ability. The study suggests that the new method can make the exergy analysis more helpful and guidable in its applications.
format	article
author	Dongbo Gao Xiaoqi Peng Yanpo Song Ping Zhou
author_facet	Dongbo Gao Xiaoqi Peng Yanpo Song Ping Zhou
author_sort	Dongbo Gao
title	Splitting Physical Exergy by Its Feasible Working Ways
title_short	Splitting Physical Exergy by Its Feasible Working Ways
title_full	Splitting Physical Exergy by Its Feasible Working Ways
title_fullStr	Splitting Physical Exergy by Its Feasible Working Ways
title_full_unstemmed	Splitting Physical Exergy by Its Feasible Working Ways
title_sort	splitting physical exergy by its feasible working ways
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6a47c17c5eeb4e12a75fedf48ae7a3f0
work_keys_str_mv	AT dongbogao splittingphysicalexergybyitsfeasibleworkingways AT xiaoqipeng splittingphysicalexergybyitsfeasibleworkingways AT yanposong splittingphysicalexergybyitsfeasibleworkingways AT pingzhou splittingphysicalexergybyitsfeasibleworkingways
_version_	1718410593013071872

Splitting Physical Exergy by Its Feasible Working Ways

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