Abstract
The vertical axis wind turbine (VAWT) with helical-blade has been developed, manufactured and applied in almost all developed countries. In Indonesia, vertical axis wind turbines are still not widely applied compared to horizontal axis wind turbines. Vertical axis wind turbines with helical-blade are still very rare in Indonesia. Research and development of the vertical axis wind turbine are needed because of its advantages compared to horizontal axis wind turbine. The advantages are: can operate in various wind directions, lower noise due to smaller tip speed ratio (TSR) and for large-scale, mechanical and electrical systems of turbine can be placed on ground. The aim of this research is to design a vertical axis wind turbine rotor with helical-blade that can be applied at low speeds and changing direction wind condition, such as urban wind characteristics. Performance analysis of wind turbine rotor is done by using double-multiple stream-tube (DMS) model approach. This research yields a rotor of vertical axis wind turbine with helical-blade with rotor length and diameter are 2m and 1m respectively, the rotor blade airfoil is DU-06-W-200 with chord length is 0.2m. From analysis, the optimum tip speed ratio of the rotor is 2.6 with a maximum power coefficient is 0.57.
Highlights
because of its advantages compared to horizontal axis wind turbine
electrical systems of turbine can be placed on ground
design a vertical axis wind turbine rotor with helical-blade that can be applied at low speeds
Summary
Turbin angin poros vertikal dengan bentuk rotor-helix telah banyak dikembangkan, dibuat dan diaplikasikan di hampir semua negara maju. Turbin angin poros vertikal dengan bentuk bilah puntir masih sangat jarang ditemui. Penelitian ini berpusat pada perancangan rotor turbin angin poros vertikal dengan bentuk bilah puntir yang dapat diaplikasikan pada kecepatan angin rendah dan berubah-ubah arah seperti karakteristik angin di perkotaan. Analisis performa rotor tubin angin dilakukan dengan pendekatan model double-multiple stream-tube (DMS).
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