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Mixed convection stagnation flow of a micropolar nanofluid along a vertically stretching surface with slip effects

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Abstract

The mixed convection boundary layer flow of a micropolar nanofluid near a stagnation point along a vertical stretching sheet is investigated. The transformed nonlinear system of ordinary differential equations are solved using the shooting technique with Runge-Kutta Fehlberg method. Comparisons between present and previous results in the absence of nanofluid are tabulated. Several flow velocity, temperature and nanoparticle volume fraction profiles are visualized. The graphical variations of the reduced skin friction coefficient, the reduced Nusselt number and the reduced Sherwood number of both assisting and opposing flows are also presented. The effects of material parameter and microrotation on the Nusselt number are similar with the findings of other researchers. The presence of slip velocity between the base fluid and the nanoparticles has significant impact on the heat transfer enhancement of the stagnation flow of micropolar nanofluid.

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Acknowledgments

We thank the respected anonymous reviewer/s who contributed towards improvement of this paper. This research is funded by the University of Malaya (UM) research grant BK015-2012.

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Authors and Affiliations

  1. Institute of Mathematical Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia

    N. F. M. Noor

  2. Department of Mathematics, Quaid-I-Azam University 45320, Islamabad, 44000, Pakistan

    Rizwan Ul Haq & S. Nadeem

  3. School of Mathematical Sciences, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia

    I. Hashim

  4. Research Institute, Center for Modeling & Computer Simulation (RI/CM&CS), King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia

    I. Hashim

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  1. N. F. M. Noor
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  2. Rizwan Ul Haq
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  3. S. Nadeem
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  4. I. Hashim
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Correspondence to N. F. M. Noor.

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Noor, N.F.M., Haq, R.U., Nadeem, S. et al. Mixed convection stagnation flow of a micropolar nanofluid along a vertically stretching surface with slip effects. Meccanica 50, 2007–2022 (2015). https://doi.org/10.1007/s11012-015-0145-9

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  • DOI: https://doi.org/10.1007/s11012-015-0145-9

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