FARHAN, FARHAN (2021) STUDI EKSPERIMENTAL TURBIN HELIX MENGGUNAKAN 3 BILAH DENGAN SUDUT PUNTIR 180 DERAJAT DI SUNGAI CILANGKAP KABUPATEN SUMEDANG. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
Indonesia has a lot of renewable energy potential to be utilized, one of which is water energy. This potential cannot be utilized optimally due to the limitations of turbine technology in utilizing its energy. In this study, field tests were carried out on three variations of river water velocity against helix water turbines in the Cilangkap river, Sumedang district. The measurement of each river water velocity (m/s) is carried out simultaneously with the turbine rotation (rpm), voltage (volts), electric current (Amp.) and torque (N.m). From the results of field testing, the following results are obtained With a 50 Watt lamp load, the Co-efficient performance is obtained, Cp = 0.17 at a flow rate of 3.36 m/s, With a 150 Watt lamp load, the Co-efficient performance is obtained, Cp = 0.06 at a flow rate of 3.36 m/s, and without a lamp load, the Co-efficient performance is obtained, Cp = 0.15 at a flow speed of 3.30 m/s,. Keywords: Renewable energy, Helix Turbine, Co-efisien performance, Experimental Study. Indonesia mempunyai potensi energi terbarukan yang cukup banyak untuk dimanfaatkan, salah satunya energi air. Potensi ini belum bisa dimanfaatkan secara optimal karena keterbatasan teknologi turbin dalam memanfaatkan energinya. Dalam penelitian ini dilakukan uji lapangan pada tiga variasi kecepatan air sungai terhadap turbin air helix di sungai Cilangkap kabupaten Sumedang. Pengukuran setiap kecepatan air sungai (m/s) dilakukan bersamaan dengan besar putaran turbin (rpm),tegangan (volt),arus listrik (Amp.) dan torsi (N.m). Dari hasil pengujian lapangan didapat hasil hasil dengan beban lampu 50 Watt ,didapat Co-efisien performance ,Cp =0.17 pada kecepatan aliran 3,36 m/s, dengan beban lampu 150 Watt ,didapat Co-efisien performance ,Cp =0.06 pada kecepatan aliran 3,36 m/s dan tanpa beban lampu ,didapat Co-efisien performance ,Cp =0.15 pada kecepatan aliran 3,30 m/s , Kata kunci: Energi terbarukan, Turbin Helix, Co-efisien performance, sungai Cilangkap, Sumedang.
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