Abstract
Current research communication deliberates on the ethylene–glycol solvent base nanofluids flow over a porous cylindrical annulus. Thus, the industrial and technological demand for an enhanced heat transfer spurred the study. The energy and species transfer analysis are captured with the thermal radiation, uneven heat source/sink, radiation absorption, Soret number and variable viscosity. By imposing the two-different nanoparticles such as MOS2 (Molybdenum disulfide) and Fe3O4 (Magnetite) in the flow, the pertinent dimensionless variables are applied to overhaul the governing mathematical model into Partial differential equations via non-dimensionlization transformation. The overhaul PDEs are semi-analytically solved by Chebyshev Collocation technique utilizing MAPLE symbolic software. Effects of different nanofluid terms on the momentum, thermal and solutal distributions are studied graphically. It was noticed that the momentum whittles down with boost in the Darcy and magnetic terms. Both velocity and temperature amplified in the case of microstructure of porous medium. A rise in the volume fraction caused a huge decline in both heat transfer and concentration. Schmidt number and reactive species negatively affects the concentration distributions. Overall Fe3O4-EGnanofluid dominates the flow compared to MoS2-EG nanofluid.
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