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Pengaruh jumlah cover terhadap kinerja kolektor surya plat datar dengan menggunakan absorber batu granit
The utilization of renewable energy have started many knowns, therefore to increase the effectiveness of utilization of solar energy directly, such as with the utilization of solar collectors as collecting solar heat rays that use two flat-plate collector absorbers with granite stones with a variation of the amount of cover that is a duplicate of one glass and double glazing with a thick glass cover 5 mm. This research is aimed to know the influence of the amount of cover against the performance of solar collectors flat-plate with the tilt 15 ⁰ facing north. For the size of flat-plate solar collector absorber granite. In this study was 100 cm x 80 cm x 10 cm and the arrangement of the plumbing in the collectors will be made parallel cluster 7. The water used in this study flows based on the gravitational influence of the shelter with a higher water flow rate is regulated using the valve. Flow rate flows in collectors varied in the amount of 300 cc/minute, 400 cc/min and 500 cc/min measured using a measuring cup and a Stop Watch with an interval of 15 minutes. Parameters measured is wind speed, temperature, the temperature of the absorber glass, wall temperature, the temperature of the environment and temperature of the incoming and outgoing water collectors. Time doing research at 10:00 WITA until
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