Adel Alblawi, Saba Keyani, S. Nadeem*, Alibek Issakhov and Ibrahim M. Alarifi Pages 447 - 462 ( 16 )
Objective: In this paper, we consider a model that describes the ciliary beating in the form of metachronal waves along with the effects of Magnetohydrodynamic fluid over a curved channel with slip effects. This work aims at evaluating the effect of Magnetohydrodynamic (MHD) on the steady two dimensional (2-D) mixed convection flow induced in carbon nanotubes. The work is done for both the single wall nanotube and multiple wall nanotube. The right wall and the left wall possess a metachronal wave that is travelling along the outer boundary of the channel.
Methods: The wavelength is considered very large for cilia induced MHD flow. The governing linear coupled equations are simplified by considering the approximations of long wavelength and small Reynolds number. Exact solutions are obtained for temperature and velocity profiles. The analytical expressions for the pressure gradient and wall shear stresses are obtained. The term for pressure rise is obtained by applying Numerical integration method.
Results: Numerical results of velocity profile are mentioned in a table form, for various values of solid volume fraction, curvature, Hartmann number [M] and Casson fluid parameter [ζ]. The final section of this paper is devoted to discussing the graphical results of temperature, pressure gradient, pressure rise, shear stresses and stream functions.
Conclusion: Velocity profile near the right wall of the channel decreases when we add nanoparticles into our base fluid, whereas the opposite behaviour is depicted near the left wall due to ciliated tips, whereas the temperature is an increasing function of B and γ and a decreasing function of Φ.
Peristalsis, cilia induced flow, casson nanofluid, curved channel, magneto-hydrodynamic, metachronal waves.
Mechanical Engineering Department, College of Engineering, Shaqra University, Dawadmi, 11911, Ar Riyadh 11564, Department of Mathematics, Quaid-i-Azam University, 45320, Islamabad 44000, Department of Mathematics, Quaid-i-Azam University, 45320, Islamabad 44000, Faculty of Mechanics and Mathematics, Al-Farabi Kazakh National University, av. Al Farabi 71, Almaty, Department of Mechanical and Industrial Engineering, College of Engineering Majmaah University, Al-Majmaah 11952, Riyadh