Optimizing near-adiabatic compressed air energy storage (NA-CAES) systems: Sizing and design considerations

Sepideh Sarmast, Kamyar Rouindej, Roydon A. Fraser and Maurice B. Dusseault

Applied Energy, 2024, vol. 357, issue C, No S0306261923018299

Abstract: This paper studies the challenges of designing and operating adiabatic compressed air energy storage (A-CAES) systems, identifies core causes for the reported discrepancies between round-trip efficiencies from current literature models versus experiments, and presents a near-adiabatic CAES (NA-CAES) system design that addresses these issues. The core causes are overly simplified heat management modeling, neglect of heat losses in the thermal energy reservoir, single-cycle modeling, replacing a diabatic CAES combustor with a TES without other major design changes, using a mirrored compression-expansion design, and/or efficiency definition limitations.

Keywords: Adiabatic compressed air energy storage (A-CAES); Energy analysis; Sensible thermal energy storage (TES); Multi-objective optimization; Sizing-design method; System design approach (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:357:y:2024:i:c:s0306261923018299

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DOI: 10.1016/j.apenergy.2023.122465

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