Time-Domain Modeling of Tower Shadow and Wind Shear in Wind Turbines

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="890582.fig.004a" src="https://static.hindawi.com/articles/isrn/volume-2011/890582/figures/890582.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Effect of radial distance <svg height="13.45" id="M79" style="vertical-align:-2.21957pt" version="1.1" viewbox="0 0 16.9125 13.45" width="16.9125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.45)">
<g transform="translate(72,-61.24)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="4.1634989" y="0">𝑟</tspan>
<tspan style="font-size: 12.50px; " x="9.2647228" y="0">)</tspan>
</text>
</g>
</g>
</svg> on tower shadow</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="890582.fig.004b" src="https://static.hindawi.com/articles/isrn/volume-2011/890582/figures/890582.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Effect of lateral distance from tower midline <svg height="13.45" id="M80" style="vertical-align:-2.21957pt" version="1.1" viewbox="0 0 19.125 13.45" width="19.125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.45)">
<g transform="translate(72,-61.24)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="4.1634989" y="0">𝑥</tspan>
<tspan style="font-size: 12.50px; " x="11.040149" y="0">)</tspan>
</text>
</g>
</g>
</svg> on tower shadow</td></tr></table></td></tr></table>

<table>Comparison of tower shadow at different (a) radial distances <svg height="7.0124998" id="M77" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 6.5 7.0124998" width="6.5" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.0125)">
<g transform="translate(72,-66.39)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑟</tspan>
</text>
</g>
</g>
</svg> and (b) lateral distances from tower midline <svg height="7.1624999" id="M78" style="vertical-align:-0.11285pt" version="1.1" viewbox="0 0 8.7250004 7.1624999" width="8.7250004" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.1625)">
<g transform="translate(72,-66.27)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑥</tspan>
</text>
</g>
</g>
</svg>.</table>

International Scholarly Research Notices

Time-Domain Modeling of Tower Shadow and Wind Shear in Wind Turbines

Figure 4