Abstract

This work aims to examine the flow of tangent hyperbolic (T-H) ternary hybrid nanofluid (THNF) over a rough-yawed cylinder generated by impulsive motion in a mixed convection mechanism with periodic magnetohydrodynamics. The surface roughness is depicted by a high-frequency sine wave with a small amplitude. The governing equations of a system were converted to a dimensionless form by using semi-similar transformations. After linearizing the equations with a Quasilinearization technique, they were discretized with the implicit finite difference method. Including a third component (i.e. MoS2) of the THNF decays the fluid velocity. Raising magnetic field parameter M from 0 to 2 boosts the R e x 1 / 2 C f for THNF by 19% at ξ = 0.55 . The R e x 1 / 2 C f increases to a maximum of 288% for the T-H and 101% for the Newtonian THNF as the roughness attribute ε increases from 0.001 to 0.01 for ξ = 0.31 at n = 15 . The findings were compared to previously published to demonstrate the numerical method's reliability.

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