Exergetic Analysis of Flat-Plate Solar Collector used for Desalination by Humidification-dehumidification | ||||
| The International Conference on Chemical and Environmental Engineering | ||||
| Article 3, Volume 9, 9th International Conference on Chemical & Environmental Engineering, April 2018, Page 47-70 PDF (1.77 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/iccee.2018.34647 | ||||
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| Authors | ||||
| Wael Abdelmoez; Eman A. Ashour; Noha M. Sayed | ||||
| Department of Chemical Engineering, Faculty of Engineering, Minia University, 61516 Minia, Egypt. | ||||
| Abstract | ||||
| Abstract In the present work, exergy analysis of flat-plate solar collector is presented in details. Flat-plate solar collector is used for heating saline water, which is the first stage of water desalination process by humidification-dehumidification technique. This stage is considered as the most energy intensive stage. Accordingly, it is important to investigate its performance by using exergy analysis. The exergetic efficiency of solar heating system was examined in different ways to determine the most critical parameters that control the solar heating process. A comparison between both traditional energy (based on the first law of thermodynamics) and exergy analyses (based on the second law of thermodynamics) of a flat-plate solar heater type is carried out to show the importance of such exergy analysis and to show the limitations of conventional energy analysis. Exergy analysis gives a comprehensive and detailed behavior of solar heater performance under different conditions. | ||||
| Keywords | ||||
| Exergy; exergy analysis; Desalination; Humidification-dehumidification | ||||
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