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An Experimental Study of Stagger Angle Effect Placed in front of Returning Side toward the Savonius Wind Performance Using Overlap Myring Blade for n = 1 Priyo Agus Setiawan; Projek P. S. Lukitadi; Emie Santoso; Nopem Ariwiyono; Aminatus Sa’diyah; Daisy D. K. R. Antariksih; Galih Anindita; Budi Prasojo; George E. Kusuma; Rini Indarti; Mardi Santoso; Bambang Antoko; Endang P. Purwanti; Mohammad M. Munir
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 2 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.6402

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 are 45°, 50°, 55°, and 60° with velocity 5 m/s. The final results show that the best performance improvement of the turbine occurs at 60° stagger angle. 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 Achmad Syahid Achmad Syahid, Achmad Aldianto, Viky Alif Zuhri Arfianto Am Maisarah Disrinama Aminatus Sa’diyah Amrullah, Haidar Natsir Anda Iviana Juniani Andika Aldo Pratama Anggara Trisna Nugraha Anggie Oktavia Putri Anita Hidayati Annas Singgih Setiyoko Ardiansyah, Ade Reza Arfianto, Alif Zuhri Arninputranto, Wibowo Asri, Purwidi Bambang Antoko Budi Prasojo C. I. Sutrisno Choirul, Mochammad Daisy D. K. R. Antariksih Dayanti, Tri Desi Tri Cahyaningati Devina Puspita Sari Devina Puspitasari Dhani, Mey Rohma Didik Sukoco Diego Ilham Yoga Agna Dimas Aditya Prabowo Edy Prasetyo Hidayat Edy Setiawan Edy Setiawan Endang P. Purwanti Evi Nafiatus Sholikhah Fahmi Maulana Fajar Astuti Hermawati Fajar Rahmat Adzani Fani Sandy Putra Faris Riyadi George E. Kusuma Hanif, Utsman Hartanto, Tri Mulyatno Budhi I Made Kastiawan Ii Munadhif Imam Sutrisno Isa Rachman Joko Endrasmono Joko Endrasmono Khasanah, Fujie Rizky Nur Kurniawan, Wildan Rifqi Laili Agustin Widyaningrum Lukman Handoko Mades Darul Khairansyah Mardi Santoso Mey Rohma Dhani Mochamad Luqman Ashari Mochamad Yusuf Santoso Mohammad M. Munir Muhamad Ari Muhammad Bilhaq Ashlah Muhammad Izzul Haj Mukhammad Jamaludin Ni'matut Tamimah Nopem Ariwiyono, Bachtiar Ponti Almas Karamina Prabowo, Dimas Aditya Priyo Agus Setiawan Projek P. S. Lukitadi Putra, Fani Sandy Putri, Anggie Oktavia Rachmat, Aulia Nadia Rahmania Firdiansyah Richo Richo Richo, Richo Rina Sandora Rini Indarti Rohma Dhani, Mey Salsabila Ika Yuniza Santoso, Emie Suci Indaryani Syafiuddin Totok Yulianto Tri Mulyatno Budhi Hartanto Viky Aldianto Wiediartini Wiediartini Yudi Andika