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Iwan Kurniawan
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Riau, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis kinerja turbin vortex dengan variasi sudu biomimetik berbentuk rumah keong Iwan Kurniawan; Alfito Dinova Prayoga; Herisiswanto
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/gbz8f971

Abstract

The demand for renewable energy continues to grow as fossil fuel reserves decline and global energy needs increase. One promising alternative is the vortex turbine, which can operate effectively in low-head regions. This study investigates the effect of blade geometry variations on the performance of a vortex turbine, with a particular focus on curved blades enhanced with spiral-shaped fins inspired by biomimetics. The research was conducted experimentally using three blade types: flat blades, curved blades, and curved blades with additional spiral-shaped fins resembling a snail shell structure. Tests were performed on a laboratory-scale vortex turbine prototype, measuring torque, power, and efficiency. The results showed that the flat blades produced the lowest efficiency (17.6%), the curved blades achieved a moderate efficiency (21.0%), whereas the curved blades with additional spiral-shaped fins reached the highest efficiency (33.01%). The significant improvement observed in the biomimetic blades is attributed to the spiral geometry, which effectively directs the flow, reduces separation, and enhances momentum transfer from the fluid to the blades. These findings demonstrate that the biomimetic approach contributes positively to improving the performance of small-scale vortex turbines, making it a promising solution for renewable energy generation in low-head regions
Co-Authors Abdurrahaman, Ridwan Agusta, Dhiky Rahman Alfito Dinova Prayoga Amir Hamzah Amir Hamzah Andika Atikah Purwantari Awaludin Martin Azridjal Aziz Dalil, Mohammad Dandi, Erico Dhiki R. A. Dodi Sofyan Arief, Dodi Sofyan Eldhy Susetio Elvi Yenie, Elvi Farhan, A Ginting, Hardianto Ginting, Yogie Rinaldy Hafidawati Hafidawati Hafidawati, Hafidawati Hakim, Hasanul Hendro Ekwarso Heri Siswanto Herisiswanto Herisiswanto Ida Zahrina Johanes Johanes, Johanes Julianto, Arie Khotimah, Nur Kusuma, Andi Arief Mira Dharma Muftil Badri Osman, Kahar Romy Romy SATRIYAS ILYAS Setiaries, Vonny Syarfi Daud Tengku Firly Musfar, Tengku Firly Vonny Setairies Wijaya, Rudi Kusuma Yohanes Yohanes Yosef John Kenedi Silalahi