Abstract
Flash point is a primary property used to determine the fire and explosion hazards of a liquid. New group contribution-based models were presented for estimation of the flash point of alkanes by the use of multiple linear regression (MLR) and artificial neural network (ANN). This simple linear model shows a low average relative deviation (AARD) of 2.8% for a data set including 50 (40 for training set and 10 for validation set) flash points. Furthermore, the predictive ability of the model was evaluated using LOO cross validation. The results demonstrate ANN model is clearly superior both in fitness and in prediction performance. ANN model has only the average absolute deviation of 2.9 K and the average relative deviation of 0.72%.
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Foundation item: Projects(21376031, 21075011) supported by the National Natural Science Foundation of China; Project(2012GK3058) supported by the Foundation of Hunan Provincial Science and Technology Department, China; Project supported by the Postdoctoral Science Foundation of Central South University, China; Project(2014CL01) supported by the Foundation of Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, China; Project supported by the Innovation Experiment Program for University Students of Changsha University of Science and Technology, China
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Dai, Ym., Liu, H., Chen, Xq. et al. A new group contribution-based method for estimation of flash point temperature of alkanes. J. Cent. South Univ. 22, 30–36 (2015). https://doi.org/10.1007/s11771-015-2491-0
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DOI: https://doi.org/10.1007/s11771-015-2491-0