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Título: | Geopolymer concrete performance study for high-temperature Thermal Energy Storage (TES) applications |
Autor: | Rahjoo, Mohammad CSIC ORCID; Goracci, Guido CSIC ORCID; Martauz, Pavel; Rojas, Esther; Dolado, Jorge S. CSIC ORCID | Palabras clave: | Concentrated solar power Geopolymer Thermal energy storage CSP TES OPC |
Fecha de publicación: | 2022 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Sustainability 14(3): 1937 (2022) | Resumen: | Solar energy is an energy intermittent source that faces a substantial challenge for its power dispatchability. Hence, concentrating solar power (CSP) plants and solar process heat (SPH) applications employ thermal energy storage (TES) technologies as a link between power generation and optimal load distribution. Ordinary Portland cement (OPC)-based materials are widely used in sensible TES, but their use is limited to operation temperatures below 400 to 500 °C because of thermal degradation processes. This work proposes a geopolymer (GEO)-based concrete as a suitable alternative to OPC concrete for TES that withstands high running temperatures, higher than 500 °C. To this end, thermophysical properties of a geopolymer-based concrete sample were initially measured experimentally; later, energy storage capacity and thermal behavior of the GEO sample were modeled numerically. In fact, different thermal scenarios were modeled, revealing that GEO-based concrete can be a sound choice due to its thermal energy storage capacity, high thermal diffusivity and capability to work at high temperature regimes. | Descripción: | This article belongs to the Special Issue Green Deal in Construction and Building Materials. | Versión del editor: | https://doi.org/10.3390/su14031937 | URI: | http://hdl.handle.net/10261/284444 | DOI: | 10.3390/su14031937 | E-ISSN: | 2071-1050 |
Aparece en las colecciones: | (CFM) Artículos |
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geopoap.pdf | 12,03 MB | Adobe PDF | Visualizar/Abrir |
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