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Effects of nanoparticles (Cu, TiO2, Al2O3) on unsteady blood flow through a curved overlapping stenosed channel

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  • Zaman, Akbar
  • Ali, Nasir
  • Sajjad, Mazhar

Abstract

In this letter, we have explored the effects of nanoparticles on unsteady pulsatile blood flow through a curved overlapping stenosed channel. The governing differential equations are derived for the given physical problem and this contains momentum and energy equations along with suitable boundary conditions. An explicit finite difference technique has been used to calculate the numerical results of the given differential equations. The numerical results for different values of curved parameter (Rc), nanoparticles (Cu, TiO2, Al2O3) and Grashof numbers (Gr) are calculated in order to analyze the effects of these parameters on blood flow pattern. A notable deviation in the results of blood flow pattern has been observed with the comparison of pure blood with nano-fluids. It is further noted that the curved parameter (Rc) of a channel has a great influence on velocity profile, flow rate and impedance/resistance to flow. It is also extracted from the velocity profiles that the shape of the velocity curves reduces to symmetric pattern for the higher values of the curved parameters (Rc). Similarly, the magnitude of temperature profiles is constricted due to the insertion of nanoparticles within blood. Moreover, streamlines are also calculated in order to analyze the effects of nanoparticles inside the circulating regions of the flow field.

Suggested Citation

  • Zaman, Akbar & Ali, Nasir & Sajjad, Mazhar, 2019. "Effects of nanoparticles (Cu, TiO2, Al2O3) on unsteady blood flow through a curved overlapping stenosed channel," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 156(C), pages 279-293.
    • Handle: RePEc:eee:matcom:v:156:y:2019:i:c:p:279-293
    DOI: 10.1016/j.matcom.2018.08.012
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    Cited by:

    1. Zaman, Akbar & Ali, Nasir & Khan, Ambreen Afsar, 2020. "Computational biomedical simulations of hybrid nanoparticles on unsteady blood hemodynamics in a stenotic artery," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 169(C), pages 117-132.
    2. Zaman, Akbar & Khan, Ambreen Afsar, 2021. "Time dependent non-Newtonian nano-fluid (blood) flow in w-shape stenosed channel; with curvature effects," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 181(C), pages 82-97.
    3. Raju, C.S.K. & Basha, H. Thameem & Noor, N.F.M. & Shah, Nehad Ali & Yook, Se-Jin, 2024. "Significance of body acceleration and gold nanoparticles through blood flow in an uneven/composite inclined stenosis artery: A finite difference computation," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 215(C), pages 399-419.

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