Numerical Analysis of Thermal Performances for a Novel Cascade Solar Desalination Still Design
| Autor: | Mohamed Oubrek, Mariam Bouzaid, Mourad Taha-Janan, Omar Ansari, Nidal Mouhsin |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
business.industry
020209 energy Numerical analysis Baffle 02 engineering and technology Solar still Desalination 020401 chemical engineering Cascade Thermal Heat exchanger 0202 electrical engineering electronic engineering information engineering Environmental science 0204 chemical engineering Process engineering business Solar desalination |
| Zdroj: | Energy Procedia. 157:1071-1082 |
| ISSN: | 1876-6102 |
| DOI: | 10.1016/j.egypro.2018.11.274 |
| Popis: | As it is the case of many countries in the world, Morocco suffers from a shortage of drinking water; water resources are also limited and unequally distributed. Solar desalination is thought to be the least expensive method to produce drinking water from brackish water. Different ways, technologies and techniques exist. Solar stills, in various forms present the basic technology that could be used. The single basin type is widely used as it is the simplest and the least expensive process. However the production rate of this technology is very low in comparison with other desalination techniques. For this reason, and in the framework of the development of a novel design in which absorbing new plate was proposed and tested. This work presents a theoretical and numerical study of an inclined cascade solar still with baffles. A mathematical model and thermal analysis were developed to evaluate the temperatures of different levels. The saline water temperature, basin plate temperature and glass cover temperature are achieved by solving the heat exchange equations of the solar still using an Euler explicit method. The energy balance equations have been solved numerically by iteration for a duration of 13 hours, using a C ++ program. The performance of the new still was investigated and compared with the ordinary model. The results indicate that the new design allows increasing the production. |
| Databáze: | OpenAIRE |
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