The Effect of Nanofluid Volume Concentration on Heat Transfer and Friction Factor inside a Horizontal Tube

<table>The effect of volume concentration of Al<sub>2</sub>O<sub>3</sub>-Water on Nusselt number at different Reynolds number.</table>

Journal of Nanomaterials

Figure 10: The Effect of Nanofluid Volume Concentration on Heat Transfer and Friction Factor inside a Horizontal Tube 