Thermal performance comparative analysis of nanofluid flows at an oblique stagnation point considering Xue model: a solar application

Abstract

This exploration aims to study the comparison of heat transfer capabilities of two nanofluid oblique, steady stagnation-point flow combinations comprising single-walled carbon/water (SWCNHs/water) and multiwalled carbon nanotube/water (MWCNTs/water) toward a stretching surface influenced by nonlinear thermal radiation employing the Xue model. This envisaged comparison model is inimitable and still scarce in the literature. Relying on the Tiwari–Das nanofluid model, a mathematical framework is constructed. The system of partial differential equations is converted using suitable transformations into an ordinary differential system of three equations, which is evaluated numerically using the bvp4c method. The physical behavior of significant parameters and their graphical representation are thoroughly examined. The results show that the SWCNHs/water nanofluid outperforms the MWCNTs/water nanofluid. It is further witnessed that SWCNH nanoparticle contained nanofluid has considerably greater thermal radiation than MWCNT nanoparticles. The envisaged model is also validated by comparing it with a published study.

Impact of an effective Prandtl number model on the flow of nanofluids past an oblique stagnation point on a convective surface

“…Last but not the least, we try to solve equations (12) , (13) of the type (see Refs. [ 8 , 27 ]) When the flow is normal, it is represented by and when it is tangent, it is represented by . Because of this here and.…”

“…There are various industrial processes and applications that rely on stagnation point flow, like dip coating and metallic molding. In the area of the stagnation point flow, the pressure gradient and heat transfer are both seen to be at their highest levels [ 8 ]. Fig.…”

“…[ [20] , [21] , [22] , [23] , [24] , [25] ].” According to a recent study by Ahmed et al [ 26 ], viscoelastic nanomaterials approaching the stagnation point on a stretched disc exhibit time-dependent flow. Nadeem et al [ 27 ] “investigated 2-D oblique stagnation point flow of a CNT-based fluid over a convective surface.” From a great number of perspectives in the field of fluid dynamics, including those of scientists and researchers, the oblique stagnation point flow of a nanofluid towards a stretching or shrinking surface has been contemplated from a variety of perspectives [ 8 , 28 , 29 ].…”

Hybrid Nanofluid Flow Induced by an Oscillating Disk Considering Surface Catalyzed Reaction and Nanoparticles Shape Factor

“…This is because nanofluids have a pivoting role in electro-mechanical gadgets, heat exchange, advanced cooling systems, etc. A good number of experimental and theoretical studies have been conducted with various combinations of the nanoparticles and base fluids [ 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 ].…”

Nanofluids modeling and energy transformation under the influence of mixed convection: Role of aluminum and γ-aluminum nanoparticles

“…[24][25][26][27] Among the distinct heat transport mode, convection with addition of CCHFM (Cattaneo Christov Heat Flux Model) is one of the prominent sources to upshot the heat transfer inside the working nanofluid. Recently, many studies [28][29][30][31] reported in this regard by taking various sorts of working nanofluids synthesized by different metals and host solvents. The literature revealed that inside temperature of the nanofluids could be enriched by inducing different physical phenomena in the modeling of the heat transfer problem.…”