Evaluation of Surface Slope Irregularity in Linear Parabolic Solar Collectors

<table>Color map reconstruction of slope differences <svg height="15.8625" id="M53" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 20.9125 15.8625" width="20.9125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.363)"><use xlink:href="#x394"></use></g><g transform="matrix(.017,-0,0,-.017,10.959,11.363)"><use xlink:href="#x1D711"></use></g>
</svg> (rad) considering vertical lines.</table>

International Journal of Photoenergy

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Figure 11

Figure 11: Evaluation of Surface Slope Irregularity in Linear Parabolic Solar Collectors 