Analysis of exergy efficiency of a super-critical compressed carbon dioxide energy-storage system based on the orthogonal method

Qing He, Yinping Hao, Hui Liu and Wenyi Liu

PLOS ONE, 2018, vol. 13, issue 4, 1-10

Abstract: Super-critical carbon dioxide energy-storage (SC-CCES) technology is a new type of gas energy-storage technology. This paper used orthogonal method and variance analysis to make significant analysis on the factors which would affect the thermodynamics characteristics of the SC-CCES system and obtained the significant factors and interactions in the energy-storage process, the energy-release process and the whole energy-storage system. Results have shown that the interactions in the components have little influence on the energy-storage process, the energy-release process and the whole energy-storage process of the SC-CCES system, the significant factors are mainly on the characteristics of the system component itself, which will provide reference for the optimization of the thermal properties of the energy-storage system.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0195614

DOI: 10.1371/journal.pone.0195614

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