Peng Yin, Xiping Xu, Zhaoguo Jiang, Cong Zhao. Design Method of Fan-Shaped Ray-Leakage-Free Solar Concentrator[J]. Acta Optica Sinica, 2018, 38(2): 0208002
- Acta Optica Sinica
- Vol. 38, Issue 2, 0208002 (2018)
Fig. 1. (a) Ray tracing of a concentration module; (b) ray tracing concentration modules unit; (c) schematic of fan-shaped ray-leakage-free solar concentrator structure
Fig. 2. Schematic of modification procedure of the concentration module. (a) Parabola curve in the reflective surface; (b) two-paraboloid structure; (c) concentration module trimmed off
Fig. 3. Schematic of the concentration module unit
Fig. 4. (a) Schematic of the hemisphere coupling structure; (b) schematic of air tri-prism structure
Fig. 5. (a) Schematic of the edge-ray leakage-free propagating path in x-z plane; (b) top view of the fan-shaped ray-leakage-free solar concentrator
Fig. 6. Schematic of the edge-ray propagating path in the normal part of the lightguide in x-z plane
Fig. 7. Schematic of the single-axis tracker movement trace
Fig. 8. Schematic of the scrollable prism sheets
Fig. 9. Schematic of the sun position in the sky
Fig. 10. (a) Schematic of the angle γ0 between the tracker and ground; (b) schematic of the tracker rotates α'around the x'-axis
Fig. 11. Diagram of geometrical concentration ratio varies with parabola coefficient and concentration module amount
Fig. 12. Diagram of geometrical concentration ratio varies with parabola coefficient and posterior paraboloid width
Fig. 13. Diagram of geometrical concentration ratio and optical efficiency varies with the parabola coefficient
Fig. 14. Diagram of the base angle of prism varies with incident angles of light
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