PENGARUH VARIASI DEBIT TERHADAP KINERJA TURBIN ULIR GANDA ARCHIMEDES

AZIZ ERLANGGA, RAFKA (2022) PENGARUH VARIASI DEBIT TERHADAP KINERJA TURBIN ULIR GANDA ARCHIMEDES. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Indonesia is actually rich in renewable energy. One of them is water energy as a micro hydro power plant. The Archimedes screw turbine is a turbine that can operate at low head and the debit is not relatively large. The purpose of this study was to investigate the effects of variations on the discharge on turbine performance including the rotational speed, power and efficiency. Testing the performance of the screw turbine was carried out experimentally with using the difference in debit variations on a 2-blade Archimedes screw turbine with a tilt angle of 35°. At the time of testing the turbine, the debit variations used were 0.02 m³/s, 0.013 m³/s, and 0.0 1m³/s. The tests carried out on a 2-blade screw turbine with 1.7 m turbine shaft length, 0.069 m turbine inside radius, 0.128 m turbine outside radius, 0.260 m thread span length, 59.5° inner blade angle, 72.5° outer blade angle and 6.5 total distance generated the greatest power at a debit variation of 0.02 m³/s which was 224 watts. Meanwhile, the maximum efficiency of the turbine was 88% at a debit variation of 0.013 m³/s.

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