Parametric analysis of a modular solar drying and packed bed thermal energy storage system

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dc.article.number113764
dc.catalogadorgrr
dc.contributor.authorWolde Ponce, Ian
dc.contributor.authorCalderon Vasquez, Ignacio Andres
dc.contributor.authorMolina, Matias
dc.contributor.authorPailahueque, Nicolas
dc.contributor.authorCardemil Iglesias, Jose Miguel
dc.date.accessioned2025-07-29T16:03:52Z
dc.date.available2025-07-29T16:03:52Z
dc.date.issued2025
dc.description.abstractSolar drying is an effective technology for reducing fossil fuel consumption in food preservation. However, its reliability is limited by the availability of solar radiation. Integrating thermal energy storage (TES) can enhance system efficiency by extending operation beyond peak sunlight hours. The use of industrial by-products with high thermal capacities, such as metallurgical slags, offers a promising alternative for TES. However, the integration of solar collectors and TES remains a challenge, as system performance depends on the configuration and operational strategy. This study presents a parametric analysis of a solar drying system for kiwifruit slices, incorporating solar air collectors and a packed-bed TES unit. A validated mathematical model, supported by experimental data, is used to assess three different schemes for discharging TES, considering flow-switching strategies, six solar field configurations, and the role of an auxiliary heater in maintaining drying reliability throughout the year. The findings indicate that early switching the airflow, combined with smaller TES volumes and one solar collector, achieves a 40.53% cost reduction compared to a conventional drying configuration. The results highlight that balancing the system’s components significantly enhances solar drying performance.
dc.format.extent13 páginas
dc.fuente.origenORCID
dc.identifier.doi10.1016/j.solener.2025.113764
dc.identifier.eissn1471-1257
dc.identifier.issn0038-092X
dc.identifier.urihttps://doi.org/10.1016/j.solener.2025.113764
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/105053
dc.information.autorucEscuela de Ingeniería; Wolde Ponce, Ian; 0000-0002-1852-8626; 1124033
dc.information.autorucEscuela de Ingeniería; Cardemil Iglesias, Jose Miguel; 0000-0002-9022-8150; 119912
dc.information.autorucEscuela de Ingeniería; Calderon Vasquez, Ignacio Andres; 0000-0001-9950-5276; 1172070
dc.language.isoen
dc.nota.accesocontenido parcial
dc.revistaSolar Energy
dc.rightsacceso restringido
dc.subjectSolar air collector
dc.subjectPacked bed storage
dc.subjectCopper slag
dc.subjectFood drying
dc.subject.ddc510
dc.subject.deweyMatemática física y químicaes_ES
dc.subject.ods07 Affordable and clean energy
dc.subject.odspa07 Energía asequible y no contaminante
dc.titleParametric analysis of a modular solar drying and packed bed thermal energy storage system
dc.typeartículo
dc.volumen300
sipa.codpersvinculados1124033
sipa.codpersvinculados119912
sipa.codpersvinculados1172070
sipa.trazabilidadORCID;2025-07-28
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