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Comparison between Experimental and Theoretical Thermal Conductivity of Nanofluids Containing Multi-walled Carbon Nanotubes Decorated with TiO2 Nanoparticles |
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| Authors: | S Abbasi S M Zebarjad S H N Baghban A Youssefi |
| Institution: | 1. Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran;2. Department of Chemical Engineering, Esfarayen University of Technology, Esfarayen, North Khorasan, Iranabasi_1362@yahoo.com;4. Department of Material Science and Engineering, Faculty of Engineering, Shiraz University, Shiraz, Iran;5. Par-e-Tavous Research Institute, Mashhad, Iran |
| Abstract: | This article reports the thermal conductivity modeling of nanofluids containing decorated multi-walled carbon nanotubes with TiO2 nanoparticles. TiO2 nanoparticles and decorated multi-walled carbon nanotubes are synthesized with different amounts of TiO2 nanoparticles. The experimental results show that the measured thermal conductivities of TiO2 nanofluids and multi-walled carbon nanotube nanofluids are higher than the predicted values by theoretical models. The comparison results of multi-walled carbon nanotube nanofluids and multi-walled carbon nanotube–TiO2 nanofluids reveal that the predicted values by the Xue model are closer to the measured values. In addition, the results show that the thermal conductivity of nanofluids containing multi-walled carbon nanotube–TiO2 increases with respect to TiO2 content of hybrid. |
| Keywords: | multi-walled carbon nanotube TiO2 nanoparticles thermal conductivity nanofluid modeling |