Blade Design Optimisation for Fixed-Pitch Fixed-Speed Wind Turbines

<table>Rotor power output based on <svg height="15.075" id="M78" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 57.787498 15.075" width="57.787498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,15.075)">
<g transform="translate(72,-59.94)">
<text transform="matrix(1,0,0,-1,-71.95,63.24)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝛼</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.4,60.12)">
<tspan style="font-size: 8.75px; " x="0" y="0">0</tspan>
</text>
<text transform="matrix(1,0,0,-1,-57.05,63.24)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.027886" y="0">5</tspan>
<tspan style="font-size: 12.50px; " x="18.279387" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="21.405136" y="0">5</tspan>
</text>
<text transform="matrix(1,0,0,-1,-29.38,68.56)">
<tspan style="font-size: 8.75px; " x="0" y="0">∘</tspan>
</text>
</g>
</g>
</svg> and <svg height="14.625" id="M79" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 41.875 14.625" width="41.875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.625)">
<g transform="translate(72,-60.3)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜆</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.19,60.47)">
<tspan style="font-size: 8.75px; " x="0" y="0">0</tspan>
</text>
<text transform="matrix(1,0,0,-1,-56.84,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.027886" y="0">7</tspan>
</text>
</g>
</g>
</svg> for wind speed between 3–8 m/s.</table>

International Scholarly Research Notices

Blade Design Optimisation for Fixed-Pitch Fixed-Speed Wind Turbines

Figure 3