International Journal of Photoenergy / 2017 / Article / Tab 2

Research Article

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

Table 2

Concentration factor C as a function of α for lens_B.

α (°) mm mm mm mm mm

401.962.032.072.072.05
351.982.052.092.102.06
301.982.062.112.122.08
252.002.072.112.112.09
202.022.112.152.132.10
152.002.112.162.162.13
101.982.072.132.132.10
51.972.062.102.102.08
02.002.092.152.152.13
−52.032.132.192.192.16
−102.042.132.182.172.13
−152.022.112.172.172.15
−202.032.132.182.172.14
−252.022.112.152.152.12
−302.012.082.132.132.10
−351.992.072.122.122.07
−402.002.072.102.092.05

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