Freshwater yield prediction from modified solar still: An analysis of deep learning models for forecasting in Tehran | ||
| Journal of Heat and Mass Transfer Research | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از 08 آذر 1404 | ||
| نوع مقاله: Full Length Research Article | ||
| شناسه دیجیتال (DOI): 10.22075/jhmtr.2025.39056.1832 | ||
| نویسندگان | ||
| sevda allahyari1؛ mohsen fathi2؛ sasan asiaei1؛ S.M. Hosseinalipour* 1 | ||
| 1School of Mechanical Engineering, Iran University of Science and Technology, Tehran | ||
| 2School of New Technologies, Iran University of Science and Technology, Tehran | ||
| چکیده | ||
| Water deficiency is a significant global challenge that requires the advancement of sustainable and effective desalination methods. Solar stills provide a feasible solution for the production of fresh water in areas dealing with water limitations, particularly in remote locations. The intermittent and changing character of solar radiation imposes significant limitations on most applications. The accurate forecasting of solar radiation is crucial for estimating the distillate yield of a solar still system. For this purpose, the study evaluates the freshwater yield of the modified pyramid solar still in Tehran. Utilizing monthly data from 1984 to 2023 and employing Long Short-Term Memory (LSTM), Gated Recurrent Unit (GRU), Convolutional Neural Network (CNN), and CNN-LSTM algorithms, predictions for solar irradiance and temperature are calculated for the next ten years. The results validated the better performance of the CNN and GRU models in forecasting solar radiation and temperature. The predicted average annual freshwater yield for the ten years from 2024 to 2033 is calculated to be 2630 liters in Tehran. These findings emphasize the importance of integrating accurate solar forecasting techniques with renewable desalination systems to optimize water production. Furthermore, the approach outlined in this study can be applied to other regions with similar climatic conditions to enhance freshwater accessibility and ensure long-term water sustainability. | ||
| کلیدواژهها | ||
| Pyramidal solar still؛ Productivity Forecasting؛ Solar radiation؛ Deep learning؛ Long-term prediction | ||
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