Efficiency investigation of a new-design air solar plate collector used in a humidification–dehumidification desalination process

The aim of this research is to experimentally study the efficiency of a new-design plate collector used to heat air in a new desalination humidification–dehumidification process. In fact, in such processes, the air solar collectors work at unusual experimental parameters (forced convection, elevated...

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Bibliographic Details
Published in:Renewable energy 2005-07, Vol.30 (9), p.1309-1327
Main Authors: Ben-Amara, Mahmoud, Houcine, Imed, Guizani, Aman-Allah, Maalej, Mohammed
Format: Article
Language:English
Subjects:
air masses
Applied sciences
convection
Desalination
Economics
Energy
Exact sciences and technology
Flow rates
Forced convection
Humidity
Irradiation
Natural energy
Plate collector
Q1
Renewable energy
Solar air heating
Solar collectors
Solar desalination
Solar energy
Solar radiation
Solar thermal conversion
Temperature
Thermal performance
Velocity
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Summary:The aim of this research is to experimentally study the efficiency of a new-design plate collector used to heat air in a new desalination humidification–dehumidification process. In fact, in such processes, the air solar collectors work at unusual experimental parameters (forced convection, elevated air humidity, high solar irradiation…). At these stressed experimental conditions, few published works are available in literature. Furthermore, the comparison of the efficiency of collectors running with normal air humidity content (about 10–20 g kg −1) and air of elevated humidity (20–50 g kg −1) were not yet published as our knowledge. In the present investigation, a new air solar plate collector was designed and developed for its use in a desalination process. Moreover, a characterization of such collector was performed under different experimental conditions. The effect of different parameters, namely: the solar radiation, the wind velocity, the ambient temperature, the air mass flow rate, the inlet air humidity and temperature, on the collector efficiency was also investigated. The collector was optimized for its use in a new solar desalination process. In fact, the air solar collector was designed in order to lower its economic cost making them applicable for water desalination.
ISSN:0960-1481
1879-0682
DOI:10.1016/j.renene.2004.09.019