International Journal of Photoenergy / 2017 / Article / Tab 3

Research Article

Optical Tests on a Curve Fresnel Lens as Secondary Optics for Solar Troughs

Table 3

Concentration factor C as a function of α for lens_C.

α (°) mm mm mm mm mm

401.881.982.022.031.97
351.901.982.032.052.01
301.911.992.042.052.02
251.922.002.042.062.01
201.912.002.042.052.00
151.881.982.022.052.01
101.871.972.012.011.98
51.871.951.992.001.96
01.922.022.062.082.03
−51.952.062.102.112.07
−101.972.072.122.142.09
−152.012.112.152.142.10
−202.032.132.162.142.09
−252.052.132.162.152.09
−302.052.122.142.142.11
−352.032.102.152.182.08
−402.052.142.162.152.10

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