# Performance of a 90-Bent Bladed Vertical Axis Wind Turbine Model with Various Numbers of Blades
> Sule L.

URL kanonis: https://discover.unhas.ac.id/publications/performance-of-a-90-bent-bladed-vertical-axis-wind-turbine-model-with-various-nu
Jurnal / Konferensi: Iop Conference Series Materials Science and Engineering
Tahun terbit: 2019
DOI: https://doi.org/10.1088/1757-899X/619/1/012052
ISSN: 17578981
Citations: 0

## Authors
- Sule L.

## Abstract
Abstract This study aims to design a vertical axis wind turbine that can effectively harness the power of wind. This was performed by designing and testing a vertical axis wind turbine with 2, 3 and 4 blades bent at 90° angles in wind speeds between 1.6 m/s and 4.2 m/s for every type of wind turbine. The results show that 2-blade vertical axis wind turbines coefficient of power (C P ) = 0.28 is most capable of converting wind power into electricity with wind speeds of 3.4 m/s and 3-blade wind turbines C P = 0.40 in wind speeds of 2.2 m/s, and 4 blade wind turbines C P = 0.25 performed best in wind speeds of 2.4 m/s. The C P of all three wind turbines decreased as wind speeds increased to 4.2 m/s. The examination and calculation analysis results indicate that 3-blade wind turbines work more effectively than 2-blade and 4-blade wind turbines due to the asymmetric positioning creating a relatively small drag, and the distance between each blade and the shaft of the wind turbine creates a rift allowing for wind to flow which results in the blades hitting other. This increases the blades momentum leading to less turbulence for 3-blade wind turbines.

## Keywords
- Wind power
- Marine engineering
- Turbine
- Vertical axis wind turbine
- Wind speed
- Wind profile power law
- Wind gradient
- Turbine blade
- Wind direction
- Meteorology
- Environmental science
- Structural engineering
- Geology
- Engineering
- Aerospace engineering
- Physics
- Electrical engineering

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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