Investigation of Thermal Transport in Multi-Shaped Cu Nanomaterial-Based Nanofluids

摘要

The unsteady flow of H O saturated by tiny nanosized particles with various shapes (platelets, blades, cylinders, and bricks) over a thin slit is reported. For this novel analysis, the influences of the magnetic field and heat generation/absorption are incorporated into the governing model. The dimensionless nanofluid model is attained after the successful implementation of similarity transformations. Then, Runge-Kutta and homotopy analysis algorithms are implemented for mathematical analysis, and the results are obtained by varying the main flow parameters. A decrease in nanofluid motion is observed for a stronger magnetic field (M). Additionally, nanofluid temperature β(η) increases for higher values of M. Decreasing trends in the shear stresses Re C are observed for the unsteadiness parameter S, and this declines with stronger M. Similarly, the local heat transfer rate Re N rises with the unsteady behavior of the fluid. It is observed that the nanofluid motion drops for variable thickness ( ) of the slit, whereas the motion becomes slower with stronger magnetic field effects (M).