ANALISIS PEMODELAN VERTIKAL AXIS WIND TURBINE TIPE SAVONIUS MENGGUNAKAN PENGUAT ARAH ANGIN (WIND BOOSTERS) DENGAN METODE COMPUTATIONAL FLUID DYNAMIC

UTOMO, PANJI (2020) ANALISIS PEMODELAN VERTIKAL AXIS WIND TURBINE TIPE SAVONIUS MENGGUNAKAN PENGUAT ARAH ANGIN (WIND BOOSTERS) DENGAN METODE COMPUTATIONAL FLUID DYNAMIC. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Electrical energy is one of the important needs in life, Oil fuel or fossil energy is one of the sources of energy that is non-renewable (non renewable energy sources) which has been a fuel commodity for electricity generation to meet the needs of electrical energy in all sectors of activity that are increasingly depleting its availability in nature. Savonius Vertical Axis Wind Turbine (VAWT) Energy Energy Conversion System, is a solution for electricity demand in low speed areas. Savonius Semi Circular Trubin was chosen because it was easy to make, the simulation was carried out using a CFD based method using ANSYS CFX Software. Savonius Semi Circular Trubin with Overlap ratio of 0 % or without a wind gap between Buckets gets a torque of 0.95 Nm with a power of 1.9 Watt, Turbine Savonius Overlap Ratio of 10 % gets a torque value of 1.07 Nm with 4.5 Watt power, and Turbine Savonius Overlap Ratio of 10 % using Wind Boosters gets a torque value of 1.12 Nm with a power of 4.7 Watt. Simulations performed using an average wind speed of 2 m/s in urban areas. Keywords: Savonius Turbines, Computational Fluid Dynamics, Wind Boosters, Wind Direction Amplifiers. Energi listrik merupakan salah satu kebutuhan penting dalam kehidupan, Bahan bakar minyak atau energi fosil merupakan salah satu sumber energi yang bersifat tak terbarukan (non renewable energy sources) yang selama ini menjadi komoditas bahan bakar pembangkit energi listrik untuk memenuhi kebutuhan energi listrik di seluruh sektor kegiatan yang semakin menipis persedianya di alam. Sistem Konversi Energi Angin Vertikal Axis Wind Turbine (VAWT) Savonius, menjadi solusi kebutuhan listrik pada daerah berkecepatan rendah. Trubin Savonius Semi Circular dipilih karena mudah dibuat, simulasi dilakukan dengan metode berbasis CFD menggunakan Software ANSYS CFX. Trubin Savonius Semi Circular dengan Overlap ratio 0 % atau tanpa celah angin diantara Bucket mendapatkan torsi sebesar 0,95 Nm dengan daya 1,9 Watt, Turbin Savonius Overlap Ratio 10 % mendapatkan nilai torsi sebesar 1,07 Nm dengan daya 4,5 Watt, dan Turbin Savonius Overlap Ratio 10 % dengan menggunakan Wind Boosters mendapatkan nilai torsi 1,12 Nm dengan daya 4,7 Watt. Simulasi yang dilakukan menggunakan kecepatan angin rata-rata 2 m/s pada wilayah perkotaan. Kata kunci: Turbin Savonius, Computational Fluid Dynamics, Wind Boosters, Penguat Arah Angin.

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