A simplified mathematical model for predicting the nocturnal output of a solar still |
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Authors: | M.A.S. Malik Van Vi Tran |
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Affiliation: | * Department of Agricultural Engineering, Macdonald College, McGill University, Quebec, Canada |
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Abstract: | The production capacity of a solar still which converts saline water to fresh water can be increased by introducing hot feed water into the unit at night. A waste heat source, such as cooling water from a power plant, can be used to preheat the feed. The nocturnal production, i.e. the distilled water produced at night, seems to be influenced by several parameters. However, a simplified mathematical model suggests that the distillate depends only on the initial brine temperature, the drop in brine temperature and the brine depth. This was experimentally verified for different brine depths and for initial brine temperatures up to 150°F. |
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