International Journal of Photoenergy / 2017 / Article / Fig 6

Research Article

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

Figure 6

(a) Comparison of the electrical efficiency at climatic conditions. (b) Heat transfer rate with different mass flow rates. (c) Effect of the mass flow rates of water on the thermal efficiency.