Pengujian Turbin Angin Savonius dengan Sudu Pivotable

Ambarani, Arrum Puri (2025) Pengujian Turbin Angin Savonius dengan Sudu Pivotable. S1 thesis, Universitas Andalas.

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Abstract

The rapid economic growth in Indonesia has significantly increased energy demand. Currently, fossil fuels remain the primary source of energy supply, but the limited resources and environmental impacts pose a threat to national energy security. Therefore, renewable energy solutions, such as wind energy, are essential. The Savonius wind turbine, a type of vertical axis turbine, holds great potential as it can operate at low wind speeds, which align with Indonesia's geographical conditions. Additionally, this turbine features a simple design, low maintenance costs, and the ability to capture wind from multiple directions. However, the efficiency of the Savonius turbine often presents a major challenge due to the high drag force generated by the blades, which reduces the turbine's performance. This study aims to enhance the efficiency of the Savonius turbine by developing a pivotable blade model designed to reduce drag and increase torque. The turbine model was designed using Autodesk Fusion software and printed using 3D printing with PLA+ material, known for its good mechanical properties, lightweight, and impact resistance. Testing was conducted in a wind tunnel to measure the model's performance under various parameter variations, including power coefficient (Cp) and tip speed ratio (TSR). The results indicate that the use of pivotable blades significantly improves turbine efficiency by reducing drag, generating higher torque, and delivering optimal performance at certain wind speeds. This research is expected to serve as a foundation for the future development of Savonius wind turbines to support renewable energy utilization in Indonesia.

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