Sensible and latent heat energy storage systems for concentrated solar power plants, exergy efficiency comparison

•Comparison of overall exergy efficiency of different thermal energy storage systems.•Liquid sodium as HTF reduces the gap in exergy efficiency between PCM and two-tank.•High temperature sCO2 as HTF in PCM reduces the exergy efficiency gap with two-tank.•Na with a high temperature PCM provides high...

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Veröffentlicht in:	Solar energy 2019-03, Vol.180, p.104-115
Hauptverfasser:	Riahi, Soheila, Jovet, Yoann, Saman, Wasim Y., Belusko, Martin, Bruno, Frank
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Carnot cycle CSP Efficiency Energy efficiency Energy recovery Energy storage Exergy Exergy efficiency Fluids Flux density Heat conductivity Heat storage Heat transfer Latent heat Latent heat storage Low temperature Melt temperature Melting Metals Molten salts PCM Phase change materials Power efficiency Power plants Salts Shell and tube Sodium Solar energy Solar power Solar thermal Storage systems Temperature Temperature effects Thermal conductivity Thermal resistance Thermal storage Thermodynamics Thermophysical properties
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