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Viscosity Of CuO Nanofluid Due to Nanoparticles Size and Concentration

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<mark>Journal publication date</mark>1/10/2022
<mark>Journal</mark>Journal of Advanced Research in Applied Sciences and Engineering Technology
Issue number1
Number of pages7
Pages (from-to)161-167
Publication StatusPublished
<mark>Original language</mark>English


Past studies showed that varying nanoparticles size could affect several properties of nanofluids. This could lead to significant change of hydro-thermal performance in various applications. In the present study, the effect of copper oxide (CuO) nanoparticle size on the viscosity of nanofluid was investigated under different working temperature and concentration. Base fluid consists of equal amount of distilled water and ethylene glycol. It was found that the addition of 0.05 vol.% CuO into base fluid caused increment of viscosity by 11.8% and 7.27%. On the other side, particle size effect was found to be insignificant on the viscosity of nanofluids at low concentration of CuO nanoparticles (0.025 vol.%). Lastly, the viscosity measured in the present study was predictable by two correlations proposed in past studies and only slight deviation was observed.

Bibliographic note

Export Date: 23 November 2022 Funding details: R.K130000.7343.4B631 Funding details: Universiti Teknologi Malaysia, UTM Funding details: Sunway University Funding text 1: Authors would like to thank Universiti Teknologi Malaysia for the funding from Takasago Thermal Engineering Co. Ltd (R.K130000.7343.4B631). Also, R. Saidur would like to acknowledge the laboratory equipment provided by the Research Centre for Nano-materials and Energy Technology (RNCMET) in Sunway University.