Work

Thermally optimized and energy-efficient flow of Jeffrey hybrid nanofluid (AA7072–AA7075/engine oil) through a porous medium with non-fourier heat flux and nonlinear radiation

Year: 2026

Type: article

Abstract: Owing to synergistic nanoparticle interactions, the hybrid nanomaterials exhibit enhanced thermal characteristics, thereby specifying primary role in enhancing the performance and energy efficiency of advanced thermal management systems. The motivated investigation presents thermally optimized and energy-efficient heat and mass transfer features of Jeffrey hybrid nanofluid composed of aluminum alloys (AA7072–AA7075) with engine oil base fluid. The mathematical formulation accounts the implementation of Cattaneo–Christov heat flux model to address the non-Fourier's behavior, enabling the capture of finite thermal relaxation features in modern energy systems. Additionally, nonlinear radiated effects and shape features are assumed to predict the high-temperature environments encountered in the practical thermal engineering applications. The governing equations are solved numerically with help of shooting technique. Physical interpretation of key parameters has been presented. It has been observed that thermal relaxation significant delay the heat propagation, improving the thermal control and energy efficiency, while nonlinear radiated phenomenon improves the thermal field. The hybrid nanomaterials exhibit enhanced thermal efficiency as compared to conventional nanofluid.

Source: Journal of Radiation Research and Applied Sciences

DOI: 10.1016/j.jrras.2026.102546

Authors: Sassi Rekik, Sana Salhi, Tarek Othmani, Iskander Tlili

Institutions: University of Monastir, National Engineering School of Tunis, Tunis El Manar University, Islamic University of Madinah

Language: English

Topic: Nanofluid Flow and Heat Transfer

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Affordable and clean energy

Open Access status: gold

Estimated APC paid: $1,400