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All Journal Indonesian Journal of Science and Technology
Hamaiti, Youcef
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Computer Science & IT Environmental Science

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Enhanced Thermal Performance of Parabolic Through Collectors with TiO₂ Nanofluids in An Arid Climate Belhadi, Mohammed Abdelkrim; Kadja, Mahfoud; Mechighel, Farid; Khechekhouche, Abderrahmane; Hamaiti, Youcef
Indonesian Journal of Science and Technology Vol 10, No 1 (2025): (ONLINE FIRST) IJOST: April 2025
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v10i1.81280

Abstract

Solar energy is a crucial renewable resource, yet its efficient utilization remains a challenge because conventional heat transfer fluids have limited thermal conductivity. Parabolic Trough Collectors (PTCs) offer a viable solution for solar thermal energy conversion, but optimizing performance is essential for improving efficiency. This study investigates the performance of a PTC using a 0.3% TiO₂-water nanofluid compared to distilled water (DW) under real environmental conditions in Algeria’s arid climate. Two identical PTCs were tested outdoors at flow rates of 0.2, 0.3, and 0.4 L/min to evaluate heat transfer efficiency. The results demonstrated that the nanofluid consistently outperformed DW because of its superior thermal conductivity and heat retention. At 0.4 L/min, the nanofluid achieved 40% thermal efficiency, 9% higher than DW. However, as the flow rate decreased, the efficiency gap narrowed. These findings confirm the potential of nanofluids to enhance solar energy utilization, supporting sustainable energy solutions in high-irradiance regions.
Co-Authors Belhadi, Mohammed Abdelkrim Kadja, Mahfoud Khechekhouche, Abderrahmane Mechighel, Farid