期刊
MEASUREMENT
卷 183, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2021.109857
关键词
Sustainable energy resource; Biochar; Heat capacity; Artificial intelligence techniques; Least-squares support vector machines
Biochar is a promising spectrum for thermal science applications in environmental protection. This study used artificial intelligence techniques to determine the heat capacity of biochar, with LS-SVM method identified as the best paradigm and showing excellent accuracy in statistical analysis. The developed LS-SVM approach outperforms the existing empirical correlation in literature by more than 700 times.
Biochar is recognized as a promising spectrum for thermal science applications considering environmental protection. In this study, different artificial intelligence (AI) techniques are employed to determine the heat capacity of biochar derived from pyrolysis of different biomass sources as a function of pyrolysis temperature, post-treatments process, and temperature. Relatively substantial experimental measurements are employed for adjusting the hyper-parameters of the considered AI methodologies. Accurate measurement using seven statistical criteria confirmed that the least-squares support vector machine (LS-SVM) with the Gaussian-type kernel is the best paradigm for the considered task. Statistical analysis shows an excellent capacity of the developed LSSVM approach for estimation of heat capacity of biochar, i.e., mean square error (MSE) of 6.82, absolute average relative deviation (AARD) of 0.15%, and regression coefficient (R2) of one. Furthermore, the LS-SVM method accuracy is more than 700 times better than the developed empirical correlation in literature.
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