Synthesized CuFe2O4/SiO2 nanocomposites added to water/EG: Evaluation of the thermophysical properties beside sensitivity analysis & EANN

Abstract : The new nanocomposite material of CuFe2O4 (copper ferrite) nanoparticles coated by SiO2 is synthesized. Then, this newly generated nanocomposite is dispersed in water/ethylene glycol (60:40) to make a new homogeneous nanofluid in order to avoid settling and agglomeration. Through suitable accurate experiments, density, viscosity and electrical conductivity of the mixture are measured at various temperatures and nanoparticles concentrations. Besides we empirical correlations for the same parameters developed via the curve fitting method. To have a better statistical view, the optimization procedure based on the enhanced artificial neural network (EANN), developed at present study, is performed. Furthermore, according to the obtained empirical results, the sensitivity analysis is provided and the margin of deviations is represented for each proposed correlation. Generation, stabilization and measuring the density, viscosity and electrical conductivity of the newly mentioned nanofluid, make present work different from the previous ones in this field. The highest amount of relative electrical conductivity is observed at T = 75 °C and φ = 0.02 (g/mL); however, the case of T = 30 °C and φ = 0.02 (g/mL) represents the maximum value of relative viscosity. Moreover, density is decreased by temperature augmentation, through all cases. © 2018 Elsevier Ltd
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https://hal.archives-ouvertes.fr/hal-02127855
Contributor : Mostafa Safdari Shadloo <>
Submitted on : Monday, May 13, 2019 - 5:38:46 PM
Last modification on : Tuesday, May 14, 2019 - 1:33:05 AM

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Arash Karimipour, S.A. Bagherzadeh, M. Goodarzi, A.A. Alnaqi, M. Bahiraei, et al.. Synthesized CuFe2O4/SiO2 nanocomposites added to water/EG: Evaluation of the thermophysical properties beside sensitivity analysis & EANN. International Journal of Heat and Mass Transfer, 2018, 127, pp.1169-1179. ⟨10.1016/j.ijheatmasstransfer.2018.08.112⟩. ⟨hal-02127855⟩

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