EFFECT OF SiO2 NANOPARTICLES ON WATER EVAPORATION PROCESS
The manuscript presents the results of an experimental study of the mass transfer process during surface evaporation of
nanofluid consisting of water and SiO 2 nanoparticles with a linear size of 16 nm. The evaporation rate nanofluids at different
mass (0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 1, 3, 5) % concentrations of nanoparticles was studied in a STA PT1600 (LINSEIS)
synchronous thermal analyzer at constant pressure and temperature of 40 o C. From the results of the research, it became clear
that the mass exchange process of nanofluid and base liquid water, follows a linear law for all studied concentrations. SiO 2
nanoparticles were observed to reduce the evaporation rate of their parent liquid, water, up to a concentration of 0.1 mass %,
but increased the evaporation rate at intermediate concentrations of nanoparticles in water up to concentration of 0.5 mass %,
and after high concentrations of nanoparticles, 1 mass % remained unchanged.
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