Comparison of the performance of two solar heating systems used to improve the microclimate of agricultural greenhouses in Morocco

This study presents an experimental investigation of two different types of solar systems used for heating agricultural greenhouses. The first system employs solar flat plate collectors, installed outside a polyethylene covered greenhouse. The second system, based on the selective absorption of sola...

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Bibliographic Details
Published inRenewable energy Vol. 29; no. 7; pp. 1073 - 1083
Main Authors BARGACH, M. N, TADILI, R, DAHMAN, A. S, BOUKALLOUCH, M
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Science 01.06.2004
Subjects
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Heat transfer
Theoretical studies. Data and constants. Metering
Morocco
Africa
Performance
Heating
Comparative study
Heat transfer
Solar energy
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Summary:This study presents an experimental investigation of two different types of solar systems used for heating agricultural greenhouses. The first system employs solar flat plate collectors, installed outside a polyethylene covered greenhouse. The second system, based on the selective absorption of solar energy by a heat transfer fluid (blue of methylene), employs polyethylene alveolar transparent plan collectors, installed inside a glass covered greenhouse. Experiments on both systems were simultaneously conducted, over several days. A comparative study of the performance of both systems was carried on the experimental results achieved in the plastic greenhouse heated by the first system, and on the simulated results obtained for the same greenhouse, but heated by the second system.
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ISSN:0960-1481
1879-0682
DOI:10.1016/S0960-1481(03)00101-0