Rancang Bangun Alat Konversi Energi Surya Menjadi Energi Mekanik
A solar collector chimney model has been studied. The appliance of convert solar energy become mechanic energy by heated the air at collector resulting the forming of air stream naturally, which able to turn around turbine in the chimney. Solar energy is the nature source of energy with character: unpollutant, free of charge and also continuous all day long. The change of air density because of temperature changes will result air emit a stream naturally to the lower temperature place and hot weather will ride on to chimney. Examination have conducted in air-gap broadly, the surface of collector 1 m2, high of chimney 1 m and diameter 7,5cm (PVC 3"). The result showed that turbine which is attached by a chimney at output of collector could rotate. It’s means that solar energy can turn into mechanic energy with rotation equal to mean 110 rpm. With this wide of collector was obtained the increase of secretory air temperature of collector equal to mean 15oC.
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