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A comparative analysis of shape factor and thermophysical properties of electrically conducting nanofluids TiO2−EG and Cu−EG towards stretching cylinder

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  • Shaiq, Shakil
  • Maraj, E.N.
  • Iqbal, Z.

Abstract

In the present article focus has been on examining the effect of the induced magnetic field on stagnation point flow together with heat transfer of nanofluid. Keeping the industrial prospects of this study, ethylene glycol has been taken as the base fluid whose ability to conduct heat has been examined numerically in presence of nano-scaled particles of copper and titanium dioxide. The industrial fluid flow is considered towards a stretching cylinder. Cylindrical coordinates have been opted to for mathematical formulation of governing nonlinear system which has been simplified by means of similarity analysis. The computational procedure of shooting technique has been opted to tackle the transformed system. Results for velocity and magnetic field along with temperature distribution are computed by keeping the iterative error less than 6 decimals. Influence of emerging prominent parameters are discussed and displayed through graphs. Moreover, bar charts have been plotted for the skin friction coefficient and Nusselt number. The novel findings of current investigation include: the enhancement in ethylene glycol thermal conductivity because of titanium dioxide and copper nanoparticles. The improvement is significantly dominant in presence of titanium dioxide. It is also noted that the heat transfer mechanism notably relay upon nanoparticles shape and size. Moreover, blade-shaped copper particles contribute to the highest temperature and blade-shaped particles lead to maximum surface heat flux. Furthermore, the magnitude of skin friction is reported to be higher for copper nanoparticles and lowest in presence of titanium dioxide.

Suggested Citation

  • Shaiq, Shakil & Maraj, E.N. & Iqbal, Z., 2019. "A comparative analysis of shape factor and thermophysical properties of electrically conducting nanofluids TiO2−EG and Cu−EG towards stretching cylinder," Chaos, Solitons & Fractals, Elsevier, vol. 118(C), pages 290-299.
    • Handle: RePEc:eee:chsofr:v:118:y:2019:i:c:p:290-299
    DOI: 10.1016/j.chaos.2018.11.032
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    Cited by:

    1. Ali, Mehboob & Sultan, Faisal & Khan, Waqar Azeem & Shahzad, Muhammad & Arif, Hina, 2020. "Important features of expanding/contracting cylinder for Cross magneto-nanofluid flow," Chaos, Solitons & Fractals, Elsevier, vol. 133(C).

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