Comparative heat transfer analysis of electroconductive Fe3O4–MWCNT– water and Fe3O4–MWCNT– kerosene hybrid nanofluids in a square porous cavity using the non-Fourier heat flux model

Thirumalaisamy, K.; Sivaraj, R; Prasad, VR; Beg, OA; Leung, Ho-Hon; Kamalov, Firuz; Panneer, SR

Abstract

The analysis of heat transmission and fluid flow characteristics within the cavity is useful to improve the features of several applications including energy storage devices and hybrid fuel cells. With this motivation, the present model investigates the characteristics of magneto-convective heat transmission and fluid flow within a square porous enclosure with hot and cold slits. The heat transfer features of electrically conducting hybrid nanofluids Fe3O4–MWCNT– water and Fe3O4–MWCNT– kerosene are analyzed inside the enclosure. The non-Fourier thermal flux model is deployed, and the internal heat absorption/generation effect is considered. The marker-and-cell numerical scheme is adopted to solve the transformed dimensionless mathematical model with associated initial–boundary conditions. An exhaustive parametric investigation is implemented to estimate the influence of key parameters on transport phenomena. The computations show that augmenting the Hartmann number values modifies the fluid flow and temperature features substantially for both hybrid nanofluids. Enhancing the values of nanoparticles volume fraction promotes the heat transfer. When 5% Fe3O4–MWCNT nanoparticles are suspended into water and kerosene base fluids, Fe3O4–MWCNT– kerosene hybrid nanofluid achieves 6.85% higher mean heat transfer rate compared to Fe3O4–MWCNT– water hybrid nanoliquid. In the existence of heat absorption, the mean rate of heat transfer of Fe3O4–MWCNT– water hybrid nanofluid is 78.92% lower than Fe3O4–MWCNT– kerosene hybrid nanoliquid. Greater energy transmission is noticed in the case of Fe3O4–MWCNT– kerosene hybrid nanofluid, and the enhanced fluid flow is noticed in the case of Fe3O4–MWCNT– water hybrid nanofluid. Fourier's model (δe=0) estimates higher heat transfer rate than that of the Cattaneo–Christov (non-Fourier) heat flux model (δe≠0).

Citation

Thirumalaisamy, K., Sivaraj, R., Prasad, V., Beg, O., Leung, H., Kamalov, F., & Panneer, S. (2022). Comparative heat transfer analysis of electroconductive Fe3O4–MWCNT– water and Fe3O4–MWCNT– kerosene hybrid nanofluids in a square porous cavity using the non-Fourier heat flux model. Physics of Fluids, 34(12), https://doi.org/10.1063/5.0127463

• Journal Article Type: Article
• Acceptance Date: Nov 24, 2022
• Online Publication Date: Dec 20, 2022
• Publication Date: Dec 1, 2022
• Deposit Date: Jan 9, 2023
• Publicly Available Date: Jan 9, 2023
• Journal: Physics of Fluids
• Print ISSN: 1070-6631
• Electronic ISSN: 1089-7666
• Publisher: AIP Publishing
• Volume: 34
• Issue: 12
• DOI: https://doi.org/10.1063/5.0127463
• Keywords: Condensed Matter Physics, Fluid Flow and Transfer Processes, Mechanics of Materials, Computational Mechanics, Mechanical Engineering
• Publisher URL: https://doi.org/10.1063/5.0127463
• Additional Information: Additional Information : This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in K. Thirumalaisamy, Sivaraj Ramachandran, V. Ramachandra Prasad, O. Anwar Bég, Ho-Hon Leung, Firuz Kamalov, and R. Panneer Selvam , "Comparative heat transfer analysis of electroconductive; Funders : Ministry of Education, United Arab Emirates; Projects : CFD simulation of hybrid magnetized multi-wall carbon nanotube fuel cells; Grant Number: 21S107