STUDI EKSPERIMEN PADA KINERJA TURBIN ANGIN SUMBU HORIZONTAL (TASH) TIPE TIGA BILAH SPIRAL

YANTO, ALDI DWI (2023) STUDI EKSPERIMEN PADA KINERJA TURBIN ANGIN SUMBU HORIZONTAL (TASH) TIPE TIGA BILAH SPIRAL. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Utilization of wind energy is the most developed use of renewable energy recently, such as a three-blade spiral horizontal axis wind turbine. The three blade spiral horizontal axis wind turbine uses lift and drag forces to move the turbine blades by harnessing the kinetic energy of the wind. The purpose of this study, among other things, is to find out the performance of the three-blade spiral TASH model, through a wind tunnel by assessing the measured parameters, namely the shaft rotation speed (rpm), voltage (Volts), current (Amp), torque value (Nm), as well as reviewing the test results TASH on unmeasured parameter values, namely the power coefficient Cp, torque coefficient Ct and Tip Speed Ratio (TSR). The method was carried out by experimental testing using a wind tunnel at variations in wind speed between 1.0 m/s to 10 m/s at the Mercu Buana University laboratory facility. The material used for the turbine is an aluminum plate with a thickness of 0.5 mm, a turbine length of 120 mm, and a diameter of 2,750 mm. The results showed: The TASH model can operate at low wind speeds TSR < 2.0 m/s, the TASH model shows torque coefficient values, Ct = 0.61 at low wind speeds of 2m/s and Ct = 0.25 at 10 m/s This means that the TASH model has pretty good self-torque capability. The TASH model shows power values, Cp = 0.128 at low wind speeds of 3 m/s, TSR = 0.224 Keywords : Horizontal Axis Wind Turbine; Experimental test; Wind Tunnel power coefficient (Cp); torque coefficient (Ct); Tip Speed Ratio (TSR). Pemanfaatan energi angin merupakan pemanfaatan energi terbarukan yang paling berkembang belakangan ini, seperti turbin angin sumbu horizontal tipe tiga bilah spiral. Turbin angin sumbu horizontal tipe tiga bilah spiral menggunakan gaya lift dan drag untuk menggerakan bilah turbin dengan memanfaatkan energi kinetik angin. Tujuan dari penelitian ini antara lain dapat mengetahui kinerja TASH model tiga bilah spiral, melalui wind tunnel dengan menilai parameter terukur yaitu kecepatan putaran poros (rpm), tegangan (Volt), arus (Amp), nilai torsi (Nm), serta mengkaji hasil uji TASH terhadap nilai parameter tidak terukur yaitu koefisien daya Cp, koefisien torsi Ct dan Tip Speed Ratio (TSR). Metode dilakukan dengan uji eksperimen menggunakan wind tunnel pada variasi kecepatan angin antara 1 sampai 10 m/s di fasilitas laboratorium Universitas Mercu Buana. Material yang digunakan untuk turbin adalah plat alumunium dengan ketebalan 0,5 mm, dengan panjang turbin 120 mm, dan diameter 2,750 mm. Hasil penelitian menunjukan: Model TASH dapat beroperasi pada kecepatan angin rendah TSR < 2.0 m/s. Model TASH menujukan nilai koefisiensi torsi, Ct = 0,61 pada kecepatan angin rendah 2 m/s Ct = 0,25 pada kecepatan 10 m/s artinya TASH model ini memiliki self torque capability yang cukup bagus. Model TASH menunjukan nilai daya, Cp = 0,128 pada kecepatan angin rendah 3 m/s, TSR = 0,224 Kata kunci : Turbin Angin Sumbu Horizontal; Uji eksperimen; Wind Tunnel koefisien daya (Cp); koefisien torsi (Ct); Tip Speed Ration (TSR).

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