The Effect of Nanofluid Concentration and Flow Profile on Heat Transfer
| Authors | B. Litouche1, B. Rebai2, K. Mansouri3, M.L. Cherrad4 |
| Affiliations |
1University enter Abdelhafid Boussouf, Mechanic and ElectroMechanic Department,43000 Mila, Algeria 2University of Abbes Laghrour, Civil Engineering Department, 40000 Khenchela, Algeria 3University of Abbes Laghrour, Mechanical Engineering Department, 40000 Khenchela, Algeria 4National Mechanical Research Laboratory, 25000 Constantine, Algeria |
| Е-mail | b.litouche@centre-univ-mila.dz |
| Issue | Volume 17, Year 2025, Number 5 |
| Dates | Received 15 July 2025; revised manuscript received 21 October 2025; published online 30 October 2025 |
| Citation | B. Litouche, B. Rebai, et al., J. Nano- Electron. Phys. 17 No 5, 05010 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(5).05010 |
| PACS Number(s) | 44.25. + f, 44.27. + ge |
| Keywords | Nanofluid, Geometric factor, Turbulent flow regime, Nanoparticle volume fraction, Heat convective transfer. |
| Annotation |
In order to assess the profitability of an energy system, various factors such as fluid nature, geometry shape, and operating conditions must be considered. This study focuses on the impact of sinusoidal rib shapes, with different values of space ratio (e/b) ranging from 0 to 1, on heat transfer in nanofluid flow. The channel's upper surface is subject to a uniformed heat flux, with Al2O3 Nanofluid as the working fluid and Reynolds numbers ranging from 5000 to 20000. The effect of the volume fraction of aluminum nanoparticle, ranging from 0 to 6 %, is also analyzed. The simulation results demonstrate that the performance of the channel's corrugated surface is greatly influenced by rib shapes and their geometrical parameters. The highest Performance Evaluation Criteria index (PEC) is obtained for ribs with a space ratio (e/b) of 0 at Re 5000 and at 6 % volume fraction. Furthermore, the average Nusselt number increases with an increase in particle volume fraction and Reynolds. |
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List of References |
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