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Experimental Investigation of Electrical Conductivity and Permittivity of SC-TiO 2 -EG Nanofluids
Jacek Fal1, Adriana Barylyak2, Khrystyna Besaha3
1Department of Physics and Medical Engineering, Rzeszów University of Technology, Rzeszów, Poland. jacekfal@prz.edu.pl.
Abstract:
The paper presents experimental studies of dielectric properties of nanofluids based on ethylene glycol and SC-TiO2 nanoparticles with average size of 15-40 nm with various mass concentrations. The dielectric permittivity both real part and imaginary part as a function of temperature and frequency were measured. Also, dependence ac conductivity on frequency, temperature, and mass concentration were investigated. Based on the curves of ac conductivity, dc conductivity was calculated, and 400 % enhancement in dc conductivity was exposed.
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