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Numerical evaluation of multi-layered solid-PCM thermocline-like tanks as thermal energy storage systems for CSP applications

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10.1016/j.egypro.2015.03.099
 
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Galione Klot, Pedro Andrés
Pérez Segarra, Carlos DavidMés informacióMés informacióMés informació
Rodríguez Pérez, Ivette MaríaMés informacióMés informacióMés informació
Torras Ortiz, SantiagoMés informacióMés informació
Rigola Serrano, JoaquimMés informacióMés informacióMés informació
Document typeArticle
Defense date2015-05
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectSIMULACION NUMERICA Y VALIDACION EXPERIMENTAL DE FENOMENOS DE CAMBIO DE FASE LIQUIDO-VAPOR. APLICACION A SISTEMAS Y EQUIPOS TERMICOS (II) (MICINN-ENE2011-28699)
Abstract
The two-tank system is the technology used for thermal energy storage (TES) in current concentrating solar power (CSP) plants. Thermocline storage concept has been considered for more than a decade as a possible solution to reduce the high cost of the storage system in these plants. In previous works, multi-layered solid-PCM (MLSPCM) thermocline-like storage tank configurations has been introduced and studied, giving promising results for their use as thermal energy storage systems for CSP. In this work, further analysis is performed in the use of this new concept of TES, by considering variable inlet conditions, and simulating the tank shell and the foundation. The numerical simulations are based on a modular object-oriented methodology. Energetic and exergetic results are presented and compared against a reference 2-tank case and against different thermocline configurations with either solid or phase change filler materials. Again, promising results are obtained for the tested MLSPCM concept.
CitationGalione, P.A., Perez, C., Rodriguez, I., Torras, S., Rigola, J. Numerical evaluation of multi-layered solid-PCM thermocline-like tanks as thermal energy storage systems for CSP applications. "Energy procedia", Maig 2015, núm. 69, p. 832-841. 
URIhttp://hdl.handle.net/2117/85680
DOI10.1016/j.egypro.2015.03.099
ISSN1876-6102
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S1876610215004051
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