Effect of Twisted-Tape Turbulators and Nanofluid on Heat Transfer in a Double Pipe Heat Exchanger

<div>The effect of volume concentration and twisted-tape TiO<sub>2</sub>-water on the pressure drop at different Reynolds numbers.</div>

Journal of Engineering

Figure 11: Effect of Twisted-Tape Turbulators and Nanofluid on Heat Transfer in a Double Pipe Heat Exchanger 