Simple Methods to Approximate CPC Shape to Preserve Collection Efficiency

<table>Irradiance profiles on a longitudinal plane parallel to the axis of the ideal CPC. Blue line: irradiance profile along the <svg height="15.35" id="M8" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 37.549999 15.35" width="37.549999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> direction of the in the irradiance map. Green line: irradiance profile along the <svg height="11.125" id="M9" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 37.212502 11.125" width="37.212502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 16 13.5 31.5t28.5 15.5q12 0 17 -11q5 -10 25 -10q22 0 57.5 36t89.5 111l-40 108q-22 58 -36 58q-21 0 -67 -57l-19 20q81 107 125 107q17 0 30 -22t39 -88l22 -55q68 92 108.5 128.5t74.5 36.5q20 0 32.5 -14t12.5 -30z" id="x1D465"></path></g><g transform="matrix(.017,-0,0,-.017,14.273,10.862)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,28.977,10.862)"><use xlink:href="#x30"></use></g>
</svg> direction of the in the irradiance map.</table>

International Journal of Photoenergy

fig4

Figure 4

Figure 4: Simple Methods to Approximate CPC Shape to Preserve Collection Efficiency 