A novel application for energy efficiency improvement using nanofluid in shell and tube heat exchanger equipped with helical baffles
Hydrothermal characteristics of the water–Al₂O₃ nanofluid are numerically evaluated in shell-and-tube heat exchanger equipped with helical baffles using the two-phase mixture model. Heat transfer and pressure drop increase by increasing nanoparticle concentration and baffle overlapping, and decreasing helix angle. At smaller helix angles, changing the overlapping is more effective on the convective heat transfer coefficient and the pressure drop. Neural network is used for modeling, and based...[Show more]
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