Abstract
Abstract- This study aims to determine how much influence the use of fixed ventilation on the blade towards improvements in performance Savonius windmill. Ventilation is made in the form of a reflection on the letter C. The ventilation opens into the concave side of the blade. There are one model of the conventional Savonius windmill and six models of the ventilated Savonius windmill that tested in the wind tunnels. Experimental variables are variations for the clearence width of the ventilation, variations for the wind speed and variations for the rotor rotation. The ventilated Savonius windmill have the average power coefficient (Cp) higher than the conventional Savonius windmill. Especially for the clearance width of ventilation is 0.05 of the diameter of the blade, the ventilated Savonius gives the Cp improvement of 132%.
| Original language | English |
|---|---|
| Pages (from-to) | 1403-1407 |
| Number of pages | 5 |
| Journal | International Journal of Renewable Energy Research |
| Volume | 6 |
| Issue number | 4 |
| Publication status | Published - 2016 |
| Externally published | Yes |
Keywords
- Coefficient of performance
- Savonius windmill
- The clearance width of ventilation
- The useful power
- Ventilation
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