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Irreversibility analysis in a couple stress film flow along an inclined heated plate with adiabatic free surface

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  • Adesanya, Samuel O.
  • Makinde, Oluwole D.

Abstract

In this work, an analytical study of inherent irreversibility in the thin film flow of a viscous incompressible couple stress fluid down an inclined heated channel with adiabatic free surface is investigated. It is assumed that the fluid viscosity varies exponentially with temperature. Analytical expressions for fluid velocity and temperature are derived and used to compute entropy generation rate, irreversibility distribution ratio in the flow field and results are presented graphically and discussed.

Suggested Citation

  • Adesanya, Samuel O. & Makinde, Oluwole D., 2015. "Irreversibility analysis in a couple stress film flow along an inclined heated plate with adiabatic free surface," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 432(C), pages 222-229.
    • Handle: RePEc:eee:phsmap:v:432:y:2015:i:c:p:222-229
    DOI: 10.1016/j.physa.2015.02.062
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    References listed on IDEAS

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    1. Mahmud, Shohel & Fraser, Roydon Andrew, 2003. "Mixed convection–radiation interaction in a vertical porous channel: Entropy generation," Energy, Elsevier, vol. 28(15), pages 1557-1577.
    2. Siddiqui, A.M. & Mahmood, R. & Ghori, Q.K., 2008. "Homotopy perturbation method for thin film flow of a third grade fluid down an inclined plane," Chaos, Solitons & Fractals, Elsevier, vol. 35(1), pages 140-147.
    3. Sajid, M. & Hayat, T., 2008. "The application of homotopy analysis method to thin film flows of a third order fluid," Chaos, Solitons & Fractals, Elsevier, vol. 38(2), pages 506-515.
    4. Makinde, O.D., 2007. "Hermite–Padé approximation approach to steady flow of a liquid film with adiabatic free surface along an inclined heat plate," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 381(C), pages 1-7.
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    Cited by:

    1. Ranjit, N.K. & Shit, G.C., 2017. "Entropy generation on electro-osmotic flow pumping by a uniform peristaltic wave under magnetic environment," Energy, Elsevier, vol. 128(C), pages 649-660.
    2. Hassan, Anthony R., 2020. "The entropy generation analysis of a reactive hydromagnetic couple stress fluid flow through a saturated porous channel," Applied Mathematics and Computation, Elsevier, vol. 369(C).
    3. Samuel O. Adesanya & J. A. Falade & J. C. Ukaegbu & K. S. Adekeye, 2016. "Mathematical Analysis of a Reactive Viscous Flow through a Channel Filled with a Porous Medium," Journal of Mathematics, Hindawi, vol. 2016, pages 1-8, December.
    4. Adesanya, Samuel O. & Kareem, Semiu O. & Falade, John A. & Arekete, Samson A., 2015. "Entropy generation analysis for a reactive couple stress fluid flow through a channel saturated with porous material," Energy, Elsevier, vol. 93(P1), pages 1239-1245.

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