International Journal of Photoenergy / 2017 / Article / Tab 4

Research Article

Performance Analysis of Photovoltaic Water Heating System

Table 4

Main parameters of solar photothermal collectors used in analysis.


Zero-loss efficiency η0 [−]0.79
Linear heat loss coefficient a1 [W/m2K]4.0
Quadratic heat loss coefficient a2 [W/m2K2]0.015
Incidence angle modifier for 50° IAM500.95

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