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Theses/Dissertations

Nanoparticles

Minnesota State University, Mankato

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Thermal Conductivity Of Alumina And Silica Nanofluids, Julian Bernal Castellanos Jan 2014

Thermal Conductivity Of Alumina And Silica Nanofluids, Julian Bernal Castellanos

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This thesis studies the effects of the base fluid, particle type/size, and volumetric concentration on the thermal conductivity of Alumina and Silica nanofluids. The effects of base fluid were observed by preparing samples using ethylene glycol (EG), water, and mixtures of EG/water as the base fluid and Al2O3 (10 nm) nanoparticles. The particles type/size and volumetric concentration effects were tested by preparing samples of nanofluids using Al2O3 (10nm), Al2O3 (150nm), SiO2 (15 nm), and SiO2 (80 nm) nanoparticles and ionized water as base fluid at different volumetric concentrations. All samples were mixed using a sonicator for 30 ...