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All Journal JMES: The International Journal of Mechanical Engineering and Sciences
Chezta Ahmad Muzakky
Politeknik Perkapalan Negeri Surabaya, Sukolilo, Surabaya 60111, Indonesia
Energy Materials Science & Nanotechnology Mechanical Engineering

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Influence of Confined Channel on the Self-Starting Capability of Twin Counter-Rotating Savonius Hydrokinetic Turbines in Tandem Arrangement Hildan Fahrizal Nur Faurizki; Tri Yogi Yuwono; Savitri Ramadhani; Vena Rizky Pusparani; Anisah Nurul Izzah; Chezta Ahmad Muzakky; Muhammad Fiky Izzulhaq
JMES: The International Journal of Mechanical Engineering and Sciences Vol 10 No 2 (2026)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v10i2.10287

Abstract

This research aims to improve Savonius turbine’s self-starting capability by increasing the static torque coefficient using several methods. In this research, a channel is involved and an additional turbine is applied to optimize the energy harvested from hydropower using numerical approach. To solve the governing equations, - Realizable with Enhanced Wall Treatment as the turbulent model and Coupled algorithm as the solver are deployed. Through 0.61, 0.45, 0.3, 0.22, 0.1, 0.05 blockage levels and 2.667D and 60D distances, the optimum self-starting condition is obtained at 0.61 and 0.45 blockage levels for 2.667D upstream and downstream turbines. The upstream and downstream turbines share a similar self-starting capability, with an increase as well as an increase of blockage at 60D.
Co-Authors Anisah Nurul Izzah Hildan Fahrizal Nur Faurizki Muhammad Fiky Izzulhaq Savitri Ramadhani Tri Yogi Yuwono Vena Rizky Pusparani