A. Avila-Marin, Á. Morales, R. Monterreal, J. Fernández-Reche
{"title":"Non-selective coating for porous materials used for solar thermal applications","authors":"A. Avila-Marin, Á. Morales, R. Monterreal, J. Fernández-Reche","doi":"10.1063/1.5117519","DOIUrl":null,"url":null,"abstract":"Porous materials are been widely used in many solar applications such as thermal energy storage, porous receiver and thermo-chemical reactions. This work deals with the thermal analysis of different configurations of alumina pebbles, which can be used for the aforementioned applications. The alumina has lot of advantages; however its color is white diminishing the possible concentrated applications. In order to increase the solar absorptance, the alumina pebbles has been coated with two different coatings, a commercial one and a self-developed spinel coating. The main tests performed shows that the coating developed by CIEMAT-PSA increase the performance of the packed bed configuration compared to the Pyromark coating.","PeriodicalId":21790,"journal":{"name":"SOLARPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systems","volume":"23 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"SOLARPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.5117519","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Porous materials are been widely used in many solar applications such as thermal energy storage, porous receiver and thermo-chemical reactions. This work deals with the thermal analysis of different configurations of alumina pebbles, which can be used for the aforementioned applications. The alumina has lot of advantages; however its color is white diminishing the possible concentrated applications. In order to increase the solar absorptance, the alumina pebbles has been coated with two different coatings, a commercial one and a self-developed spinel coating. The main tests performed shows that the coating developed by CIEMAT-PSA increase the performance of the packed bed configuration compared to the Pyromark coating.
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