UMAR AMANULLAH, . (2025) STUDI EKSPERIMEN PROFIL AIRFOIL IKAN MACROUROIDES INFLATICEPS PADA TURBIN ANGIN 3 BLADE SUMBU VERTIKAL DARRIEUS. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.
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Abstract
Penelitian ini bertujuan untuk mengkaji kinerja aerodinamis profil airfoil ikan Macrouroides inflaticeps yang diterapkan pada turbin angin sumbu vertikal tipe Darrieus. Profil airfoil ikan dipilih karena bentuk tubuhnya yang secara alami memiliki karakteristik streamline dan diduga dapat menghasilkan performa aerodinamika yang baik. Studi dilakukan melalui simulasi menggunakan perangkat lunak CFD (Computational Fluid Dynamics) pada kondisi kecepatan angin 3 m/s dan 4 m/s. Variasi sudut azimuth dari 0° hingga 360° digunakan untuk mengetahui distribusi tekanan dan koefisien gaya (lift dan drag) sepanjang satu siklus putaran turbin. Hasil simulasi menunjukkan bahwa airfoil Macrouroides inflaticeps mampu menghasilkan distribusi tekanan yang relatif stabil dan nilai koefisien gaya yang mendukung rotasi turbin. Pada kecepatan angin 4 m/s, nilai koefisien lift dan drag cenderung lebih besar dibandingkan kecepatan 3 m/s, yang menunjukkan peningkatan daya angkat namun juga peningkatan hambatan. ***** This study aims to investigate the aerodynamic performance of the Macrouroides inflaticeps fish airfoil profile when applied to a vertical axis wind turbine (VAWT) of the Darrieus type. The fish airfoil was selected due to its naturally streamlined body shape, which is assumed to possess favorable aerodynamic characteristics. The research was conducted using Computational Fluid Dynamics (CFD) simulations under wind speeds of 3 m/s and 4 m/s. A full azimuthal angle variation from 0° to 360° was used to analyze pressure distribution and force coefficients (lift and drag) throughout one turbine rotation cycle. The simulation results showed that the Macrouroides inflaticeps airfoil profile produces a relatively stable pressure distribution and aerodynamic force coefficients that support turbine rotation. At a wind speed of 4 m/s, the lift and drag coefficients tend to increase compared to 3 m/s, indicating an enhancement in lift force along with an increase in drag.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Additional Information: | 1). Drs. H. Sirojudin, M.T. ; 2). Dr. Eko Arif Syaefudin, S.T., M.T. |
| Subjects: | Teknologi dan Ilmu Terapan > Teknik Energi > Energi Listrik Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik |
| Divisions: | FT > S1 Pendidikan Teknik Mesin |
| Depositing User: | Users 30007 not found. |
| Date Deposited: | 14 Aug 2025 07:30 |
| Last Modified: | 14 Aug 2025 07:30 |
| URI: | http://repository.unj.ac.id/id/eprint/61117 |
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