Abstract
Time dependent magnetohydrodynamic flow of viscous incompressible CuO/Al2O3/TiO2 water based nanofluid along a vertical permeable stretching surface in the presence of external magnetic field, thermal radiation and viscous dissipation is investigated. Apart from these effects, it is assumed that the surface is saturated in porous medium. Mathematical formulation of the problem is highly nonlinear coupled partial differential equations. To obtain the solution, at first these equations are transformed into ordinary differential equations by using suitable Lie transformation, then numerical solution of this system of equations are obtained. Numerical observations are compared with the previous studies. Comparative study of effects of different parameters such as Lewis number, concentration buoyancy ratio parameter, solid volume fraction of the nanofluid, Richardson number, radiation parameter, unsteadiness parameter, permeability parameter etc. on velocity, temperature, and concentration of nanofluids have been presented through graphs. The skin friction coefficient, Nusselt number and Sherwood number at the surface are derived, discussed numerically and their numerical values are presented through tables.
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Sinha, S., Filippov, A.N. Time Dependent Magnetohydrodynamic Flow of CuO/Al2O3/TiO2 Water Based Nanofluid along a Vertical Permeable Stretching Surface. Colloid J 83, 500–512 (2021). https://doi.org/10.1134/S1061933X21040116
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DOI: https://doi.org/10.1134/S1061933X21040116