%0 Journal Article %T Identification of the Key Variables on Thermal Conductivity of CuO Nanofluid by a Fractional Factorial Design Approach %A Kazemi Beydokhti, Amin %A Azizi Namaghi, Hamed %A Zeinali Heris, Saeed %J Numerical Heat Transfer Part B: Fundamentals %@ 1040-7790 %D 2013