Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors
Photovoltaic-thermal (PVT) collectors combine photovoltaic modules and solar thermal collectors, forming a single device that receives solar radiation and produces electricity and heat simultaneously. PVT collectors can produce more energy per unit surface area than side-by-side PV modules and solar...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/2012/957847 |
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| author | Jin-Hee Kim Jun-Tae Kim |
| author_facet | Jin-Hee Kim Jun-Tae Kim |
| author_sort | Jin-Hee Kim |
| collection | DOAJ |
| description | Photovoltaic-thermal (PVT) collectors combine photovoltaic modules and solar thermal collectors, forming a single device that receives solar radiation and produces electricity and heat simultaneously. PVT collectors can produce more energy per unit surface area than side-by-side PV modules and solar thermal collectors. There are two types of liquid-type flat-plate PVT collectors, depending on the existence of glass cover over PV module: glass-covered (glazed) PVT collectors, which produce relatively more thermal energy but have lower electrical yield, and uncovered (unglazed) PVT collectors, which have relatively lower thermal energy with somewhat higher electrical performance. In this paper, the experimental performance of two types of liquid-type PVT collectors, glazed and unglazed, was analyzed. The electrical and thermal performances of the PVT collectors were measured in outdoor conditions, and the results were compared. The results show that the thermal efficiency of the glazed PVT collector is higher than that of the unglazed PVT collector, but the unglazed collector had higher electrical efficiency than the glazed collector. The overall energy performance of the collectors was compared by combining the values of the average thermal and electrical efficiency. |
| format | Article |
| id | doaj-art-83439ed291004c73b02fffe716df3556 |
| institution | Kabale University |
| issn | 1110-662X 1687-529X |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Photoenergy |
| spelling | doaj-art-83439ed291004c73b02fffe716df35562025-02-03T01:12:33ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2012-01-01201210.1155/2012/957847957847Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT CollectorsJin-Hee Kim0Jun-Tae Kim1Green Home Energy Technology Research Center, Kongju National University, 275 Budae-Dong, Chungnam, Cheonan 330-717, Republic of KoreaDepartment of Architectural Engineering, Kongju National University, 275 Budae-Dong, Chungnam, Cheonan 330-717, Republic of KoreaPhotovoltaic-thermal (PVT) collectors combine photovoltaic modules and solar thermal collectors, forming a single device that receives solar radiation and produces electricity and heat simultaneously. PVT collectors can produce more energy per unit surface area than side-by-side PV modules and solar thermal collectors. There are two types of liquid-type flat-plate PVT collectors, depending on the existence of glass cover over PV module: glass-covered (glazed) PVT collectors, which produce relatively more thermal energy but have lower electrical yield, and uncovered (unglazed) PVT collectors, which have relatively lower thermal energy with somewhat higher electrical performance. In this paper, the experimental performance of two types of liquid-type PVT collectors, glazed and unglazed, was analyzed. The electrical and thermal performances of the PVT collectors were measured in outdoor conditions, and the results were compared. The results show that the thermal efficiency of the glazed PVT collector is higher than that of the unglazed PVT collector, but the unglazed collector had higher electrical efficiency than the glazed collector. The overall energy performance of the collectors was compared by combining the values of the average thermal and electrical efficiency.http://dx.doi.org/10.1155/2012/957847 |
| spellingShingle | Jin-Hee Kim Jun-Tae Kim Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors International Journal of Photoenergy |
| title | Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors |
| title_full | Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors |
| title_fullStr | Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors |
| title_full_unstemmed | Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors |
| title_short | Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors |
| title_sort | comparison of electrical and thermal performances of glazed and unglazed pvt collectors |
| url | http://dx.doi.org/10.1155/2012/957847 |
| work_keys_str_mv | AT jinheekim comparisonofelectricalandthermalperformancesofglazedandunglazedpvtcollectors AT juntaekim comparisonofelectricalandthermalperformancesofglazedandunglazedpvtcollectors |