Conventional and advanced exergy analyses of an underwater compressed air energy storage system

被引：107

作者：

Wang, Zhiwen ^{[1
,2
]}

Xiong, Wei ^{[1
]}

Ting, David S. -K. ^{[2
]}

Carriveau, Rupp ^{[2
]}

Wang, Zuwen ^{[1
]}

机构：

[1] Dalian Maritime Univ, Inst Ship Electromech Equipment, Dalian 116026, Peoples R China

[2] Univ Windsor, Ed Lumley Ctr Engn Innovat, Turbulence & Energy Lab, Windsor, ON N9B 3P4, Canada

来源：

APPLIED ENERGY | 2016年 / 180卷

关键词：

Compressed air energy storage; Exergy; Advanced exergy analysis; Energy storage; Underwater; Exergy destruction; MULTIOBJECTIVE OPTIMIZATION; EXERGOECONOMIC ANALYSIS; THERMODYNAMIC ANALYSIS; TRIGENERATION SYSTEM; POWER-PLANT; HEAT; CYCLE; ELECTRICITY; GENERATION; DESTRUCTIONS;

D O I：

10.1016/j.apenergy.2016.08.014

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A 2 MW underwater compressed air energy storage (UWCAES) system is studied using both conventional and advanced exergy analyses. The exergy efficiency of the proposed UWCAES system is found to be 53.6% under the real conditions. While the theoretical maximum under the unavoidable condition is 84.3%; showing a great potential for performance improvement. Even though there are quantitative differences between conventional and advanced results, both show that the final compressor stage has the highest potential for improvement. The advanced exergy analysis reveals the real improvement potential of the UWCAES system. Further, it is revealed that the interactions between system components are complex but not very strong. Subsequently, the total exergy efficiency may not necessarily increase by improving the performance of the components individually. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：810 / 822

页数：13

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