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OPTIMASI SUDUT DAN JUMLAH GUIDE VANE TERHADAP KINERJA TURBIN ANGIN SAVONIUS DUA BILAH BERBASIS SIMULASI CFD

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Urban wind characteristics, characterized by low velocity and high turbulence, limit conventional wind turbine performance. The Savonius Vertical Axis Wind Turbine is a suitable alternative, but its efficiency is hindered by negative torque on the returning blade. This study aims to optimize a two-bladed Savonius turbine by integrating a fixed 8-blade guide vane system with tilt angles of 30°, 45°, 60° dan 75°. The methodology combines Computational Fluid Dynamics (CFD) simulations via ANSYS Fluent (using the Sliding Mesh Model and Realizable k-ε turbulence model) with experimental prototype validation at wind speeds of 4 m/s to 6 m/s. Experimental results demonstrate that the 75° tilt angle is the most optimal configuration, consistently yielding the highest rotational speeds, peaking at 343 RPM at a wind speed of 6 m/s. This aligns with the CFD analysis, where the 75° configuration at 6 m/s produces the maximum dynamic torque of 2.4 Nm and a distinct pressure differential between the advancing and returning blades. Velocity vector plots confirm that the 75° angle successfully triggers a nozzle effect that accelerates the local airflow, while providing a shielding effect that drastically reduces negative torque on the returning blade. The qualitative validation confirms a strong positive trend correlation between computational fluid parameters and real-world mechanical shaft rotation (RPM).

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Detail Information

Series Title

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Call Number

T2008582026

Publisher

Indralaya : Prodi Teknik Elektro, Fakultas Teknik Universitas Sriwijaya., 2026

Collation

xvi, 101 hlm.; ilus.; tab.; 29 cm.

Language

Indonesia

ISBN/ISSN

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Classification

621.450 7

Content Type

Text

Media Type

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Carrier Type

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Edition

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Subject(s)

Prodi Teknik Elektro
Kinerja Tubin Angin

Specific Detail Info

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Statement of Responsibility

MI

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