期刊
ENERGY
卷 220, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2020.119713
关键词
Solar collector; Evacuated tube; Neural network; Multiple linear regression; CFD; Thermal performance; Prediction
资金
- National Science Foundation of China [51736006]
This study analyzed the thermal performance modeling and performance prediction of a novel all-glass straight-through evacuated tube collector. Different artificial neural network (ANN) models were considered and a comprehensive experimental dataset with more than 200 samples were used for testing. The convolutional neural network (CNN) model proved to be the best ANN model in terms of prediction accuracy.
Thermal performance modelling and performance prediction of a novel all-glass straight-through evacuated tube collector is analyzed here. A mathematical model of the tube was developed and incorporated into CFD software for numerical performance simulation. To improve the thermal performance prediction of the collector, different artificial neural network (ANN) models were considered. A comprehensive experimental dataset with more than 200 samples were employed for testing of the models. Integrating the thermal simulation model with the ANN models by using modelled collector output as one of the input models, significantly improved the prediction accuracy of the ANN models. The predictions based on the CFD model alone gave the poorest accuracy compared to the ANN models. The convolutional neural network (CNN) model proved to be the best ANN model in terms of prediction accuracy. (c) 2021 Elsevier Ltd. All rights reserved.
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