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Optimal selection of air expansion machine in compressed air energy storage : a review
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He, Wei and Wang, Jihong (2018) Optimal selection of air expansion machine in compressed air energy storage : a review. Renewable & sustainable energy reviews, 87 . pp. 77-95. doi:10.1016/j.rser.2018.01.013 ISSN 1364-0321.
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Official URL: https://doi.org/10.1016/j.rser.2018.01.013
Abstract
Electrical energy storage has been recognized as an underpinning technology to meet the challenges in the power network arisen from the rapidly increasing penetration of renewable energy.
Compressed Air Energy Storage (CAES) has gained substantial worldwide attention in recent years due to its low-cost and high-reliability in the large-scale energy storage systems. Air expander is one of the key components in a CAES system because its operational characteristics determine the power conversion efficiency and the power generation during the discharge period. The performance of the expander contributes heavily to the round trip efficiency of the whole system. This paper presents an up-to-date review of the CAES technology, and methods for modelling and selecting expanders for CAES systems. The focuses of selecting the appropriate expansion machines are identifying and analysing the characteristics of both CAES systems and expansion machines, and finding the matched expanders for the CAES system formulation (i.e. diabatic, adiabatic and isothermal CAES) and operational conditions (i.e. air pressure, temperature and flow rate). After all, recommendations and guidelines in selecting appropriate expanders and expansion stage numbers are formulated and discussed; this laid a step stone for choosing suitable expansion machines to achieve an overall CAES system high efficiency.
| Item Type: | Journal Article | ||||||||||||
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| Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Compressed air -- Storage, Air -- Expansion, Expanders, Gas | ||||||||||||
| Journal or Publication Title: | Renewable & sustainable energy reviews | ||||||||||||
| Publisher: | Elsevier | ||||||||||||
| ISSN: | 1364-0321 | ||||||||||||
| Official Date: | May 2018 | ||||||||||||
| Dates: |
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| Volume: | 87 | ||||||||||||
| Page Range: | pp. 77-95 | ||||||||||||
| DOI: | 10.1016/j.rser.2018.01.013 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
| Date of first compliant deposit: | 20 March 2018 | ||||||||||||
| Date of first compliant Open Access: | 20 March 2018 | ||||||||||||
| Grant number: | EP/L014211/1, EP/K002228/1 | ||||||||||||
| RIOXX Funder/Project Grant: |
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