Abstract
This paper presents the effect of adding a circular cylinder beside the concave turbine blade on the performance of the Savonius wind turbine. In this study, a circular cylinder with a diameter (d) 0.5 times the turbine rotor diameter (D) is installed beside a concave turbine blade at a distance between the circular cylinder and the centre of the turbine relative to the rotor turbine diameter (Y/D) varied of 1.23 to 2.09 and for the Reynolds number (Re) of 120,000. The study was conducted through numerical simulations using the Ansys-Fluent software. The results indicated that placing a circular cylinder beside the concave blade at a distance of Y/D = 1.32 can increase turbine performance by 21.7% higher than the conventional turbine. In addition, placing a circular cylinder beside the concave blade can also enhance the turbine's self-starting capability.
| Original language | English |
|---|---|
| Pages (from-to) | 564-576 |
| Number of pages | 13 |
| Journal | International Review of Mechanical Engineering |
| Volume | 18 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 2024 |
Keywords
- Circular Cylinder
- Concave Blade
- Moment Coefficient
- Power Coefficient
- Savonius Wind Turbine
- Static Torque Coefficient
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