Scholarship at UWindsor

Title

Comparison of underwater and underground CAES systems for integrating floating offshore wind farms

Authors

Zhiwen Wang, Dalian Maritime University
Wei Xiong, Dalian Maritime University
David S.K. Ting, University of Windsor
Rupp Carriveau, University of Windsor
Zuwen Wang, Dalian Maritime University

Document Type

Article

Publication Date

12-1-2017

Publication Title

Journal of Energy Storage

Volume

14

First Page

276

Keywords

Compressed air energy storage, Exergy analysis, Floating offshore wind, Isobaric, Isochoric, Underwater

Last Page

282

Abstract

Floating offshore wind farms (FOWF) with advanced adiabatic compressed air energy storage (AA-CAES) are thermodynamically scrutinized to evaluate if the compressed air is better stored underground or underwater. The corresponding energy efficiency is deduced based on an exergy analysis that details the exergy destruction of each system. The effects of key parameters such as storage and expansion pressures are examined parametrically. It is revealed the underwater compressed air energy storage has a higher efficiency and exergy density. These advantages tend to diminish beyond a critical storage pressure.

DOI

10.1016/j.est.2017.11.001

E-ISSN

2352152X

Recommended Citation

Wang, Zhiwen; Xiong, Wei; Ting, David S.K.; Carriveau, Rupp; and Wang, Zuwen. (2017). Comparison of underwater and underground CAES systems for integrating floating offshore wind farms. Journal of Energy Storage, 14, 276-282.
https://scholar.uwindsor.ca/mechanicalengpub/148