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Optimal Design of a Solar Desalination Unit with Heliostats

Abstract : The objective is to improve the yield of a solar desalination cell using concentration of solar rays by means of automatically controlled heliostats. The vertical cell is orientated towards the north. It is mainly composed of two plates; the one being heated by the solar rays reflected by the mirrors is used for evaporation of a falling water film; the other one is used for water vapor condensation. Each heliostat consists of an altitude-azimuth mount having two degrees of freedom and supporting a plane mirror. The heliostat permanently follows the sun trajectory and reflects the solar rays on the cell by means of automatic control implemented in a control card based on a microcontroller. Model predictive control allows us to maximize the distilled water production.
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Contributor : Jean-Pierre Corriou <>
Submitted on : Wednesday, May 15, 2019 - 7:16:54 PM
Last modification on : Thursday, March 5, 2020 - 3:32:49 PM

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M. Abidi, S. Ben Jabrallah, Jean Pierre Corriou. Optimal Design of a Solar Desalination Unit with Heliostats. International Journal of Chemical Engineering, Hindawi Publishing Corporation, 2017, 2017, pp.5924173. ⟨10.1155/2017/5924173⟩. ⟨hal-02130486⟩

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