Curve-fitting on experimental data for predicting the thermal-conductivity of a new generated hybrid nanofluid of graphene oxide-titanium oxide/water

Iman Panahi Moghadam, Masoud Afrand, Samir M. Hamad, Azeez A. Barzinjy and Pouyan Talebizadehsardari

Physica A: Statistical Mechanics and its Applications, 2020, vol. 548, issue C

Abstract: The objective of this experimental study is to study the effects of a hybrid utilization of graphene oxide (GO) and titanium oxide (TiO2) nano-materials on the water thermal-conductivity. The experiments were carried out for different concentrations of 0.05, 0.1, 0.2, 0.4, 0.6, 0.8 and 1% and in the temperature range of 20 to 50°C. The experiments showed that higher temperature and concentrations of nano-materials result in a higher the thermal-conductivity. The maximum thermal-conductivity enhancement was 32.8%. Moreover, a new accurate correlation for the thermal-conductivity was presented based on the experimental data obtained in the laboratory in terms of temperature and nano-materials volume fraction.

Keywords: Curve-fitting; Hybrid nanofluid; Thermal-conductivity; Graphene and titanium oxides (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:548:y:2020:i:c:s0378437119312439

DOI: 10.1016/j.physa.2019.122140

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