First principles versus artificial neural network modelling of a solar desalination system with experimental validation

Ali Bagheri, Nadia Esfandiari, Bizhan Honarvar and Amin Azdarpour

Mathematical and Computer Modelling of Dynamical Systems, 2020, vol. 26, issue 5, 453-480

Abstract: The present study mainly focuses on enhancing the performance of solar still unit using solar energy through cylindrical parabolic collector and solar panels. A 300 W solar panel is used to heat saline water by thermal elements outside the solar still unit. Solar panels are cooled during the hot hours of the day; thus, reducing their temperature may lead to an increase in solar panel efficiency followed by an increase in the efficiency of the solar still unit. The maximum amount of freshwater used in the experiment was 2.132 kg/day. The experiments were modelled using ANNs. Based on neural network simulation results, there is a significant correlation between experimental data and neural network modelling. This paper compares experimental data with data obtained from mathematical modelling and ANNs. As a conclusion, the artificial neural network prediction has been more accurate than the simplified first principles model presented.

Date: 2020
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DOI: 10.1080/13873954.2020.1788609

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