REMBOKO, REMBOKO (2023) STUDI UJI LAPANGAN TERHADAP KINERJA TURBIN ANGIN SUMBU HORIZONTAL ENAM BILAH SPIRAL TERKAIT EFEK SOLIDITY NUMBER. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
Research and studies on the Horizontal Axis Wind Turbine (TASH) model of drag-type spiral blades with variations in the number of blades of six blades are still rare compared to conventional TASH lift-type models such as TASH Gorlov or NACA blade airfoils. The study was conducted using a six-blade Horizontal Axis Wind Turbine (TASH) related to the solidity number effect with the aim of knowing the performance of TASH with a diameter of 1.536 m. The method used is a field test on the shores of Tanjung Pasir, Tangerang, Banten. TASH performance is assessed by measured parameters such as rated voltage, generator output current, and torque value; as well as non-dimensional parameters such as power coefficient (Cp), torque coefficient (Ct) and Tip Speed Ratio (TSR) resulting from TASH rotation at every wind speed from 3.2 m/s to 4.7 m/s. Field test results obtained experimental actual power = 1,72 Watt and torque value = 11,9 N.m at a wind speed of 4.7 m/s. Cp = 0.033, Ct = 1.09, and TSR = 2,05 at a wind speed of 3.2 m/s, Solidity number = 1.953 Keywords: spiral blade TASH, solidity number, power coefficient Cp, torque coefficient Ct, tips speed ratio Penelitian dan pengkajian terhadap Turbin Angin Sumbu Horizontal (TASH) model bilah spiral tipe drag dengan variasi jumlah bilah enam blade sampai saat ini masih jarang ditemukan dibandingkan dengan TASH model konvensional tipe lift seperti TASH Gorlov atau airfoil bilah NACA. Penelitian dilakukan menggunakan jenis Turbin Angin Sumbu Horizontal (TASH) enam blade terkait efek solidity number dengan tujuan untuk mengetahui unjuk kerja TASH dengan diameter 1,536 m. Metode yang digunakan yaitu uji lapangan di tepi pantai Tanjung Pasir, Tangerang, Banten. Kinerja TASH dinilai dengan parameter terukur seperti nilai tegangan, arus keluaran generator, dan nilai torsi; serta parameter non dimensi seperti koefisien daya (Cp), koefisien torsi (Ct) dan Tip Speed Ratio (TSR) yang dihasilkan akibat putaran TASH pada setiap kecepatan angin dari kecepatan angin 3,2 m/s hingga 4,7 m/s. Hasil uji lapangan diperoleh Daya aktual eksperimen = 1,72 Watt dan nilai torsi = 11,9 N.m pada kecepatan angin 4,7 m/s. Cp = 0.033, Ct = 1.09, dan TSR = 2,05 pada kecepatan angin 3,2 m/s, Solidity number = 1,953. Kata Kunci: TASH Bilah Spiral, Solidity Number, koefisien daya Cp, koefisien torsi Ct , Tip Speed Ratio
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