Heat transfer fluids for concentrating solar power systems – A review

K. Vignarooban, Xinhai Xu, A. Arvay, K. Hsu and A.M. Kannan

Applied Energy, 2015, vol. 146, issue C, 383-396

Abstract: There is a strong motivation to explore the possibility of harnessing solar thermal energy around the world, especially in locations with temperate weather. This review discusses the current status of heat transfer fluid, which is one of the critical components for storing and transferring thermal energy in concentrating solar power systems. Various types of heat transfer fluids including air, water/steam, thermal oils, organic fluids, molten-salts and liquid metals are reviewed in detail, particularly regarding the melting temperature, thermal stability limit and corrosion issues. Stainless steels and nickel based alloys are the typical piping and container materials for heat transfer fluids. Stability of the stainless steels and alloys while in contact with heat transfer fluids is very important for the longevity of concentrating solar power systems. Corrosion properties of stainless steels and nickel based alloys in different heat transfer fluids are discussed in terms of corrosion rates.

Keywords: Concentrating solar power; Heat transfer fluids; Thermal energy storage; Molten salts; High temperature corrosion (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (150)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:146:y:2015:i:c:p:383-396

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DOI: 10.1016/j.apenergy.2015.01.125

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