Abstract
AbstractThe wind turbine is owned by PT Pembangkit Jawa Bali (PT.PJB); the wind turbine is a research project conducted by PT. PJB. This study aims to determine the appropriate airfoil for a horizontal type wind turbine installed at the Wind Power Plant—Tulungagung, East Java. The installed turbine airfoil cannot produce the expected power at wind speeds, at the site, in the range of 3–5 m/s. Three types of airfoils, namely SD 7080, SG 6043, and NACA 4412, are proposed to be selected as the best compared to each other and with the installed turbine over the wind speed range at the site. A QBlade software was used to assess the performance of the four types of airfoils. The simulation results show that the SD 7080 type airfoil can produce the highest power compared to the other three airfoils; it gives 49.77 Watts at a wind speed of 5 m/s. This power is 4.25% higher than the airfoil of the installed turbine.KeywordsHorizontal turbineSimulationQBladeAirfoil SD7080SG6043And NACA 4412
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