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All Journal Proceedings Conference on Marine Engineering and its Application
Aditya Yuta Prawiratama
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Engineering Mechanical Engineering

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KAJIAN EKSPERIMEN KINERJA TURBIN ANGIN SAVONIUS SUDU OVERLAP BERPROFIL MYRING n=1 DENGAN VARIASI SUDUT STAGGER SILINDER DI DEPAN SUDU RETURNING Aditya Yuta Prawiratama; Priyo Agus Setiawan; Emie Santoso
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2633

Abstract

The previous Savonius wind turbine studies have proved that overlap modifications to conventional blades can improve turbine performance. With these conventional blades, the performance is less optimum because the drag force generated by turbine's rotation is still high. Based on this condition, this experiment is conducted by modifying Savonius wind turbine with overlap blades using Myring equation n = 1. Its blade profile is made half-elliptical to reduce drag force. Diameter and height of the turbine are 400 mm with 0.3 overlap ratio. The ratio of cylinder diameter (ds/D) is 0.4, and the ratio of cylinder center distance (S/d) is 1.7. Experiments are conducted by varying stagger angles of circular cylinder in front of returning blade i.e 45°, 50°, 55°, and 60°. Its wind speed variations are 5 m/s, 6 m/s, and 7 m/s. The final results show that the best performance improvement of the turbine occurs at 60° stagger angle and 6 m/s wind speed. The increase in torque coefficient is 4.95% and power coefficient is 20.16% to overlap Savonius wind turbine with myring n = 1 with no circular cylinder
Co-Authors Priyo Agus Setiawan Santoso, Emie