Studi Eksperimental Pengaruh Variasi Deflektor Pelat Lengkung terhadap Performa Turbin Air Savonius Sumbu Vertikal Dua Sudu

Sugeng Imar Fauzil, Diniar Mungil Kurniawati, Gad Gunawan, Andre Amba Matarru

Abstract


The Savonius turbine has a simple construction making it easy to build. The weakness of the conventional Savonius turbine is that there is a negative torque due to the presence of blades that are opposite to the flow direction. Negative torque can be reduced by placing a curved plate at the front of the turbine. The purpose of this study is to analyze the use of a curved plate deflector for the performance of a two-blade Savonius vertical axis air turbine. The research was conducted by varying the curvature of the deflector, namely 1/4 circle, 3/8 circle and 1/2 circle experimentally. The test results show that the addition of a curved plate deflector improves turbine performance compared to without using a deflector. Of the three variations of the deflector, the 1/4 circle deflector has the highest performance with a power generated of 0.266 Watt and a power coefficient of 0.169 at 113 rpm.


Keywords


savonius hydro turbine; curved plate deflector; power coefficient; turbine performance

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References


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DOI: https://doi.org/10.35970/infotekmesin.v13i1.1042

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