Integer and non-integer order study of the GO-W/GO-EG nanofluids flow by means of Marangoni convection
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Author list: Gul T., Anwar H., Khan M.A., Khan I., Kumam P.
Publisher: MDPI AG
Publication year: 2019
Volume number: 11
Issue number: 5
ISSN: 2073-8994
eISSN: 2073-8994
Languages: English-Great Britain (EN-GB)
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Abstract
Characteristically, most fluids are not linear in their natural deeds and therefore fractional order models are very appropriate to handle these kinds of marvels. In this article, we studied the base solvents of water and ethylene glycol for the stable dispersion of graphene oxide to prepare graphene oxide-water (GO-W) and graphene oxide-ethylene glycol (GO-EG) nanofluids. The stable dispersion of the graphene oxide in the water and ethylene glycol was taken from the experimental results. The combined efforts of the classical and fractional order models were imposed and compared under the effect of the Marangoni convection. The numerical method for the non-integer derivative that was used in this research is known as a predictor corrector technique of the Adams-Bashforth-Moulton method (Fractional Differential Equation-12) or shortly (FDE-12). The impact of the modeled parameters were analyzed and compared for both GO-W and GO-EG nanofluids. The diverse effects of the parameters were observed through a fractional model rather than the traditional approach. Furthermore, it was observed that GO-EG nanofluids are more efficient due to their high thermal properties compared with GO-W nanofluids. ฉ 2019 by the authors.
Keywords
FDE-12 numerical method, GO-W/GO-EG nanofluids, Integer and non-integer order derivatives
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