Giovannetti, F.; Föste, S.; Ehrmann, N.; Rockendorf, G.: High transmittance, low emissivity glass covers for flat plate collectors: Applications and performance. In: Energy Procedia 30 (2012), S. 106-115. DOI: https://doi.org/10.1016/j.egypro.2012.11.014
Zusammenfassung: | |
Low emissivity coatings can significantly reduce radiative heat losses of glass panes for solar energy use. Their effectiveness is strongly dependent on their optical properties, which need to meet the requirements for the specific application. The paper analyses the performance of newly developed, highly transmitting and spectrally selective glass coatings based on transparent conductive oxides (TCO) for the use in flat plate collectors: Uncovered, single-glazed and double-glazed designs are taken into consideration. As functional layers both tin-doped indium oxide and aluminum-doped zinc oxide have been investigated. Collector efficiencies and annual collector yields are presented and compared to those of state-of-the-art collectors. Theoretical calculations are complemented by measurements on collector prototypes. The results show that a significant performance increase is accessible both in single-glazed collectors with low or non-selective absorbers and in double-glazed collectors with highly selective absorbers. | |
Lizenzbestimmungen: | CC BY-NC-ND 3.0 Unported |
Publikationstyp: | Article |
Publikationsstatus: | publishedVersion |
Erstveröffentlichung: | 2012 |
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