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    A comprehensive neural network model for predicting flash point of oxygenated fuels using a functional group approach

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    Type
    Article
    Authors
    Aljaman, Baqer cc
    Ahmed, Usama cc
    Zahid, Umer
    Reddy, V. Mahendra
    Sarathy, Mani cc
    Abdul Jameel, Abdul Gani
    KAUST Department
    Chemical Engineering Program
    Clean Combustion Research Center
    Physical Science and Engineering (PSE) Division
    Date
    2022-02-01
    Embargo End Date
    2024-02-01
    Submitted Date
    2021-11-25
    Permanent link to this record
    http://hdl.handle.net/10754/675362
    
    Metadata
    Show full item record
    Abstract
    In the present work, artificial neural networks (ANN) has been used for developing a comprehensive model for predicting flash point (FP) of petroleum fuels containing the following oxygenated chemical classes: alcohols, ethers, aldehydes, ketones and esters. 474 pure compounds and 314 blends comprising of various compounds were used for model development. The fuels were dissembled into eleven constituent functional groups namely, paraffinic CH3, CH2 and CH groups, olefinic –CH = CH2 groups, naphthenic –CH-CH2, aromatic C-CH groups, alcoholic OH groups, ether O groups, aldehydic CHO groups, ketonic CO groups and ester COO groups. These eleven groups were treated as model inputs along with molecular weight (MW) and branching index (BI) which is a structural parameter. These 13 inputs were calculated for each of the 788 fuels to generate a dataset, which was used to train the model. Two ANN models were developed, one using Matlab and other using Keras, an interface for ANN library. GridSearchCV and RandomSearch were used to optimize the network in the Keras model. The developed models showed satisfactory results when applied against the entries in the test set which comprised 20% of the dataset that was not used for model training. The regression coefficient for the comparison between the experimental and predicted data was found to be 0.981 (Matlab model) and 0.979 (Keras model). The developed models have low mean absolute errors of 3.12 K (Matlab model) and 3.55 K (Keras model) and can be used to predict (and screen) FP's of various complex oxygenated compounds and their mixtures.
    Citation
    Aljaman, Ahmed, U., Zahid, U., Reddy, V. M., Sarathy, S. M., & Abdul Jameel, A. G. (2022). A comprehensive neural network model for predicting flash point of oxygenated fuels using a functional group approach. Fuel, 317, 123428. https://doi.org/10.1016/j.fuel.2022.123428
    Sponsors
    The authors would like to acknowledge the support received from the Interdisciplinary Research Center for Refining & Advanced Chemicals (CRAC) at King Fahd University of Petroleum & Minerals (KFUPM), Saudi Arabia under the project INRC2104.
    Publisher
    Elsevier BV
    Journal
    Fuel
    DOI
    10.1016/j.fuel.2022.123428
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0016236122002940
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.fuel.2022.123428
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Engineering Program; Clean Combustion Research Center

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