article · ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik
This numerical study explores heat transfer behaviour in an oblique stagnation point flow using a hybrid nanofluid composed of aluminium oxide and silicon oxide nanoparticles dispersed in a base mixture of ethylene glycol and human blood. Incorporating the Cattaneo-Christov non-Fourier heat flux model, the investigation captures modified thermal relaxation effects alongside nonlinear thermal radiation. The governing flow equations are reduced to a dimensionless framework and solved through the shooting method. Thermal performance was compared between single-nanoparticle fluids and hybrid nanofluids, tracking wall shear stress and the Nusselt number. Findings indicate that oblique velocity decreases with free-stream stagnation flow coefficients, while heat transfer increases significantly with higher surface heating parameters and radiation effects.
Efficient heat transfer is critical for protecting surfaces exposed to extreme aerodynamic forces and high temperatures, such as turbine blades and aircraft components. By examining advanced hybrid nanofluids and non-Fourier thermal models, this research provides clearer computational insights into how combined nanoparticles enhance cooling and thermal regulation in complex fluid flows.
The research serves early-stage conceptual modeling with applications relevant to automotive engineering, solar energy processes, heat exchangers, and aerospace thermal management systems. Industrial engineers and equipment designers could use these fluid dynamics insights to optimize advanced cooling designs, though the work remains at a theoretical and numerical stage far from physical commercial deployment.
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Abstract The investigation of heat transfer due to hybrid nanofluid near the oblique stagnation point flow has novel industrial and thermal applications. Such a configuration arises in the aerodynamic surfaces, like aircraft and turbine blades. The improvement in transport processes due to hybrid nanomaterials is important for thermal management in high‐performance systems. The current investigation seeks to explore heat transfer management in oblique stagnation point flow of hybrid nanomaterial impacted with nonlinear radiated effects. The suspension of hybrid nanofluid is assumed to be the decomposition of aluminum oxide (Al2O3) and silicon oxide (SiO2) nanoparticles with human blood and ethylene glycol (C2H6O2). A non‐Fourier model, namely, the Cattaneo–Christov approach, is implemented to modify the energy equation. The flow problem is truncated into dimensionless form by entertaining appropriate variables. The numerical simulations for such a system are accomplished with the shooting method. The comparative thermal simulations are detected for mono nanofluid (MNF) and hybrid nanofluid (HNF). The analysis for the Nusselt number and wall shear force is observed graphically. It has been examined the obliquely velocity declined for free stream stagnation flow coefficients. Boosted variation in heat transfer is noticed against the surface heating parameter and the radiated phenomenon. The claimed results present significance in automotive industries, solar processes, heat exchangers, thermal management systems, cooling phenomenon, and so forth.
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DOI: 10.1002/zamm.70199
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