Upon learning about the working of solar panels. And to compare the flow rates of 0.25, 0.15, 0.01 and 0.05 kg / s, respectively, found that the flow rate 0.25 kg / s can heat the best. Lower the temperature of the solar panels is about 13 - 15˚C, the rate of air flow 0.25 kg / s will make M 120 W solar panel efficiency of 16.3%, the highest efficiency solar panels P120 W high 11.7%. T 50 W solar panels and most powerful 6.2%.
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