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New temperature, interfacial shell dependent dimensionless model for thermal conductivity of nanofluids


S. Masoud Hosseini, Mohammad Reza Safaei*, Marjan Goodarzi, Abdullah A.A.A. Alrashed, Truong Khang Nguyen

Source title: 
International Journal of Heat and Mass Transfer, 114: 207-210, 2017 (ISI)
Academic year of acceptance: 

In this research, a dimensionless model is discussed to forecast effective thermal conductivity of nanofluids regarding the dimensionless groups. Nanofluids thermal conductivity is represented by this model as a function of thermal conductivity of nanoparticles and base liquid, nanoparticles size, volume fractions and interfacial shell properties. Moreover, temperature is considered as a most significant parameter for nanofluids thermal conductivity which influences even on the effective parameters. The results of modeling generate a non-linear correlation for thermal conductivity which demonstrates a good compatibility between present model and experimental data of Al2O3/H2O nanofluids compared to other models.