Clean Technology 2009

Measurement of Thermal Properties of Suspensions of Nanoparticles in Engine Oil

S. Khan Mohammadi, S.Gh. Etemad, J. Thibault
Isfahan University of Technology, CA

Keywords: motor oil, nanofluid, thermal conductivity, heat capacity


Nanofluids refer to new kinds of engineering materials which are prepared by dispersing fine nanometer sized particles (smaller than 100 nm) in a base fluid. It has been recognized in the past decade that nanofluids have higher thermal properties compared with the base fluids. In this work nanofluids were prepared by dispersing γ-Al2O3 and CuO nanoparticles in engine oil, in different concentrations up to two volume percent. The thermal conductivity and the heat capacity were measured at different temperatures. Experiments revealed the enhancement of the thermal conductivity and the decrease of the heat capacity.
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