PERBANDINGAN DAYA LISTRIK, TORSI DAN EFISIENSI TURBIN AIR ARCHIMEDES SCREW SATU SUDU DENGAN DUA SUDU SKALA MIKROHIDRO

Ilham Nur Aziz, Achmad (2023) PERBANDINGAN DAYA LISTRIK, TORSI DAN EFISIENSI TURBIN AIR ARCHIMEDES SCREW SATU SUDU DENGAN DUA SUDU SKALA MIKROHIDRO. Thesis thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Indonesia's natural resources that have great potential as power plants are water energy sources. Considering that Indonesia has a lot of forest and river wealth, screw turbines have very good prospects to be implemented in Indonesia because screw turbines can operate at low heads, such as rivers, with high efficiency. This will be a cost-effective and environmentally friendly alternative energy. The purpose of this study was to determine the effect of the number of blades on the electric power, torque, and efficiency produced from single- and double blade turbines. The study was conducted on two screw turbine models withan outer diameter of 15 cm, number of blades of 10 pieces, pitch distance of 10 cm, and screw length of 100 cm for a single blade turbine, and an outer diameter of 15 cm, number of blades of 5 x 2, pitch distance of 20 cm, and 100 cm thread length for double blade turbines. The addition of the number of blades on the Archimedes screw turbine can affect the resulting output. At 3 watt lamp loading, the maximum power, torque, and electrical efficiency obtained by the double- blade screw turbine were 0.29 watts, 0.028 N.m., and 1.51%, respectively, implying that the more blades on the Archimedes screw turbine, the better the turbine's performance.

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