Forced convection heat transfer performance of the turbulent flow in a triangular channel of nanofluid (Al2O3-water) and hybrid nanofluid (Al2O3-SiO2-water)
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2026
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| author | Imen Meriem, Rahima Benchabi |
| author_facet | Imen Meriem, Rahima Benchabi |
| contents | <p>In this paper, Al2O3-SiO2-water hybrid nanofluid and Al2O3-water nanofluid with 3% volume fraction were studied for their flow an d heat transfer characteristics inside a triangular channel. In order to study the hybrid nanofluid, many ratios in percent volume of alumina (Al2O3) and silicon dioxide (SiO2) in water (10:90, 20:80, 30:70, 40:60, 50:50) were taken. Both the top and bottom of the corrugated ducts were kept at a constant temperature. The particle diameter in this study is 30 nm, and Reynolds numbers fall between 1000 and 5000. Governing equations are slved using the SIMPLE (Semi-implicit method for pressure-linked Equations) algorithm. The obtained findings show that: the confidence in the numerical model's performance was guaranteed by the results of the experimental and numerical models agreeing well, the Nusselt number grows in tandem with the Reynolds number for mono and hybrid nanofluids; nevertheless, the coefficient of friction reduces as the Reynolds number rises. Concerning this friction coefficient, hybrid and mono nanofluids are identical. The hybrid nanofluid with the percentage ratio (10:90) performs the best in terms of convective transfer, while the hybrid nanofluid with the percentage ratio (50:50) performs the worst, the total entropy, the bejan number, and the entropy resulting from heat transfer all decrease as the Reynolds number rises; on the other hand, the entropy due to viscous increases. Compared to mono nanofluids, hybrid nanofluids have a greater pressure drop. Two correlations were established using the investig<br>ation's numerical findings.</p> |
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| id | zenodo_https___doi_org_10_5281_zenodo_18368831 |
| institution | Zenodo |
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| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Forced convection heat transfer performance of the turbulent flow in a triangular channel of nanofluid (Al2O3-water) and hybrid nanofluid (Al2O3-SiO2-water) Imen Meriem, Rahima Benchabi <p>In this paper, Al2O3-SiO2-water hybrid nanofluid and Al2O3-water nanofluid with 3% volume fraction were studied for their flow an d heat transfer characteristics inside a triangular channel. In order to study the hybrid nanofluid, many ratios in percent volume of alumina (Al2O3) and silicon dioxide (SiO2) in water (10:90, 20:80, 30:70, 40:60, 50:50) were taken. Both the top and bottom of the corrugated ducts were kept at a constant temperature. The particle diameter in this study is 30 nm, and Reynolds numbers fall between 1000 and 5000. Governing equations are slved using the SIMPLE (Semi-implicit method for pressure-linked Equations) algorithm. The obtained findings show that: the confidence in the numerical model's performance was guaranteed by the results of the experimental and numerical models agreeing well, the Nusselt number grows in tandem with the Reynolds number for mono and hybrid nanofluids; nevertheless, the coefficient of friction reduces as the Reynolds number rises. Concerning this friction coefficient, hybrid and mono nanofluids are identical. The hybrid nanofluid with the percentage ratio (10:90) performs the best in terms of convective transfer, while the hybrid nanofluid with the percentage ratio (50:50) performs the worst, the total entropy, the bejan number, and the entropy resulting from heat transfer all decrease as the Reynolds number rises; on the other hand, the entropy due to viscous increases. Compared to mono nanofluids, hybrid nanofluids have a greater pressure drop. Two correlations were established using the investig<br>ation's numerical findings.</p> |
| title | Forced convection heat transfer performance of the turbulent flow in a triangular channel of nanofluid (Al2O3-water) and hybrid nanofluid (Al2O3-SiO2-water) |
| url | https://doi.org/10.5281/zenodo.18368831 |