Luo, Xing, Wang, Jihong, Krupke, Christopher, Wang, Yue, Sheng, Yong, Li, Jian, Xu, Yujie, Wang, Dan, Miao, Shihong and Chen, Haisheng (2016) Modelling study, efficiency analysis and optimisation of large-scale adiabatic compressed air energy storage systems with low-temperature thermal storage. Applied Energy, 162 . pp. 589-600. doi:10.1016/j.apenergy.2015.10.091 ISSN 0306-2619.

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Abstract

The key feature of Adiabatic Compressed Air Energy Storage (A-CAES) is the reuse of the heat generated from the air compression process at the stage of air expansion. This increases the complexity of the whole system since the heat exchange and thermal storage units must have the capacities and performance to match the air compression/expansion units. Thus it raises a strong demand in the whole system modelling and simulation tool for A-CAES system optimisation. The paper presents a new whole system mathematical model for A-CAES with simulation implementation and the model is developed with consideration of lowing capital cost of the system. The paper then focuses on the study of system efficiency improvement strategies via parametric analysis and system structure optimisation. The paper investigates how the system efficiency is affected by the system component performance and parameters. From the study, the key parameters are identified, which give dominant influences in improving the system efficiency. The study is extended onto optimal system configuration and the recommendations are made for achieving higher efficiency, which provides a useful guidance for A-CAES system design.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH):	Energy storage, Compressed air
Journal or Publication Title:	Applied Energy
Publisher:	Elsevier BV
ISSN:	0306-2619
Official Date:	15 January 2016
Dates:	Date Event 15 January 2016 Published 11 November 2015 Available 12 October 2015 Accepted 6 August 2015 Submitted
Volume:	162
Number of Pages:	12
Page Range:	pp. 589-600
DOI:	10.1016/j.apenergy.2015.10.091
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	28 January 2016
Date of first compliant Open Access:	8 February 2016
Funder:	Engineering and Physical Sciences Research Council (EPSRC), China. Guo jia ke xue ji shu bu [Ministry of Science and Technology] (CMST)
Grant number:	EP/ K002228/1 (EPSRC), 2015CB251301 (CMST)

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