International Journal of Photoenergy / 2017 / Article / Fig 8

Research Article

Improving the Hybrid Photovoltaic/Thermal System Performance Using Water-Cooling Technique and Zn-H2O Nanofluid

Figure 8

(a) Effect of mass flow rates on the electrical efficiency. (b) Heat transfer rate at constant flow rate (2 L/min) at different nanofluid concentrations. (c) Effect of Zn-H2O nanofluid at 2 L/min on thermal efficiency.